This article gives a list of all species of

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

found in the waters of

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

. A separate list of freshwater fish is given at the bottom.

Class Myxini (hagfish)

Order Myxiniformes

Family Myxinidae

* Atlantic hagfish, ''Myxine glutinosa'' * White-headed hagfish, ''Myxine ios''

Hyperoartia Hyperoartia or Petromyzontida is a disputed group of vertebrates that includes the modern lampreys and their fossil relatives. Examples of hyperoartians from early in their fossil record are '' Endeiolepis'' and '' Euphanerops'' (which possessed ...

Order
Petromyzontiformes Lampreys (sometimes inaccurately called lamprey eels) are an ancient extant lineage of jawless fish of the order Petromyzontiformes , placed in the superclass Cyclostomata. The adult lamprey may be characterized by a toothed, funnel-like su ...
(lampreys)

Family
Petromyzontidae The northern lampreys (Petromyzontidae) are a family of lampreys. Northern lampreys have the highest number of chromosomes (164–174) among vertebrates. Genera * '' Caspiomyzon'' * '' Entosphenus'' * ''Eudontomyzon'' * ''Ichthyomyzon'' * ''La ...

European river lamprey The European river lamprey (''Lampetra fluviatilis''), also known as the river lamprey or lampern, is a species of freshwater lamprey. Description Adult river lampreys measure from for the sea-going forms and up to for the lake forms. The very ...

, ''Lampetra fluviatilis'' *

European brook lamprey The brook lamprey (''Lampetra planeri'', also known as the European brook lamprey and the western brook lamprey) is a small European lamprey species that exclusively inhabits freshwater environments. The species is related to, but distinct from, ...

, ''Lampetra planeri'' *

Sea lamprey The sea lamprey (''Petromyzon marinus'') is a parasitic lamprey native to the Northern Hemisphere. It is sometimes referred to as the "vampire fish". Description The sea lamprey has an eel-like body without paired fins. Its mouth is jawless, ro ...

, ''Petromyzon marinus''

Infraphylum
Gnathostomata Gnathostomata (; from Greek: (') "jaw" + (') "mouth") are the jawed vertebrates. Gnathostome diversity comprises roughly 60,000 species, which accounts for 99% of all living vertebrates, including humans. In addition to opposing jaws, living ...
(jawed vertebrates)

Class
Chondrichthyes Chondrichthyes (; ) is a class that contains the cartilaginous fishes that have skeletons primarily composed of cartilage. They can be contrasted with the Osteichthyes or ''bony fishes'', which have skeletons primarily composed of bone tissue. ...
(cartilaginous fish)

Subclass
Elasmobranchii Elasmobranchii () is a subclass of Chondrichthyes or cartilaginous fish, including sharks (superorder Selachii), rays, skates, and sawfish (superorder Batoidea). Members of this subclass are characterised by having five to seven pairs of ...

=Superorder Selachimorpha (sharks and dogfish)

Order Squatiniformes (angelsharks)

Family Squatinidae (angelsharks) *

Angel shark The angelsharks are a group of sharks in the genus ''Squatina'' of the family Squatinidae. They commonly inhabit sandy seabeds close to in depth. Many species are now classified as critically endangered by the International Union for Conservat ...

, ''Squatina squatina''

Order

Squaliformes The Squaliformes are an order (biology), order of sharks that includes about 126 species in seven families. Members of the order have two dorsal fins, which usually possess spines, they usually have a sharp head, no anal fin or nictitating me ...

(dogfishes and relatives)

Family

Centrophoridae The Centrophoridae are a family of squaliform sharks. The family contains just two genera and about 15 species. They are sometimes called gulper sharks, but this is also the name of a specific species in the family, ''Centrophorus granulosus''. ...

(gulper sharks) *

Leafscale gulper shark The leafscale gulper shark (''Centrophorus squamosus'') is a dogfish of the family Centrophoridae. ''C. squamosus'' is reported to have a lifespan of approximately 70 years, based on otolith ring counts. It was the first described species in ...

, ''Centrophorus squamosus'' *

Birdbeak dogfish The birdbeak dogfish (''Deania calcea'') is a dogfish shark of the family Centrophoridae found in the Pacific Ocean around Honshū, Japan, southern Australia, New Zealand, and Chile, and in the Atlantic Ocean from Iceland south to the Cape ...

, ''Deania calcea'' Family

Dalatiidae The Dalatiidae are the family of kitefin sharks of the order Squaliformes (the term "kitefin shark" also refers specifically to the species ''Dalatias licha''). Members of this family are small, under long, and are found worldwide. They have cig ...

Kitefin shark The kitefin shark or seal shark (''Dalatias licha'') is a species of squaliform shark in the family Dalatiidae, and the type species in its genus. It is found sporadically around the world, usually close to the sea floor at depths of . With a s ...

, ''Dalatias licha'' Family

Echinorhinidae ''Echinorhinus'' is the only extant genus in the family Echinorhinidae. Taxonomy Echinorhinidae are traditionally classified in the order Squaliformes, together with kitefin and gulper sharks.Compagno, 2005. "Sharks of the World". However, a ...

(bramble and prickly sharks *

Bramble shark The bramble shark (''Echinorhinus brucus'') is one of the two species of sharks in the family Echinorhinidae. Aside from the eastern Pacific Ocean, it is found in tropical and temperate waters worldwide. This rarely encountered shark swims close ...

, ''Echininorhinus brucus'' Family

Etmopteridae The Etmopteridae are a family of sharks in the order Squaliformes, commonly known as lantern sharks. Their name comes from the presence of light-producing photophore A photophore is a glandular organ that appears as luminous spots on vari ...

(lantern sharks) *

Black dogfish The black dogfish (''Centroscyllium fabricii'') is a species of dogfish shark in the family Etmopteridae. It is common over the outer continental shelf and continental slope at depths of . Females generally inhabit deeper water than males, and ...

, ''Centroscyllium fabricii'' *

Velvet belly lantern shark The velvet belly lanternshark (or simply velvet belly) (''Etmopterus spinax'') is a species of dogfish shark in the family Etmopteridae. One of the most common deepwater sharks in the northeastern Atlantic Ocean, the velvet belly is found from I ...

, ''Etmopterus spinax'' * Great lanternshark, ''Etmopterus princeps'' Family Oxynotidae (rough sharks) * Sailfin roughshark, ''Oxynotus paradoxus'' Family

Somniosidae The Somniosidae are a family of sharks in the order Squaliformes, commonly known as sleeper sharks. The common name ''"sleeper shark"'' comes from their slow swimming, low activity level, and perceived non-aggressive nature. Distribution and ha ...

(sleeper sharks) * Portuguese dogfish, ''Centroscymnus coelolepis'' * Longnose velvet dogfish, ''Centroselachus crepidater'' * Smallmouth velvet dogfish, ''Scymnodon obscurus'' * Knifetooth dogfish, ''Scymnodon ringens'' *

Greenland shark The Greenland shark (''Somniosus microcephalus''), also known as the gurry shark, grey shark, or by the Kalaallisut name ''eqalussuaq'', is a large shark of the family Somniosidae ("sleeper sharks"), closely related to the Pacific and souther ...

, ''Somniosus microcephalus'' Family

Squalidae Squalidae, more commonly known as dogfish, dog sharks, or spiny dogfish, are one of several families of sharks categorized under Squaliformes, making it the second largest order of sharks, numbering 119 species across 7 families. Having earned t ...

(spiny dogfishes) *

Spiny dogfish The spiny dogfish (''Squalus acanthias''), spurdog, mud shark, or piked dogfish is one of the best known species of the Squalidae (dogfish) family (biology), family of sharks, which is part of the Squaliformes order. While these common names ma ...

, ''Squalus acanthias''

Order

Hexanchiformes The Hexanchiformes are the order consisting of the most primitive types of sharks, and numbering just seven extant species. Fossil sharks that were apparently very similar to modern sevengill species are known from Jurassic specimens. Hexanchif ...

(frilled and cow sharks)

Family Chlamydoselachidae (frilled sharks) *

Frilled Shark The frilled shark (''Chlamydoselachus anguineus'') and the southern African frilled shark (''Chlamydoselachus africana'') are the two extant species of shark in the family '' Chlamydoselachidae''. The frilled shark is considered a living fossil, ...

, ''Chlamydoselachus anguineus'' Family Hexanchidae (sixgill sharks) *

Bluntnose sixgill shark The bluntnose sixgill shark (''Hexanchus griseus''), often simply called the cow shark, is the largest hexanchoid shark, growing to in length. It is found in tropical and temperate waters worldwide and its diet is widely varied by region. The ...

, ''Hexanchus griseus''

Order

Carcharhiniformes Carcharhiniformes , the ground sharks, are the largest order of sharks, with over 270 species. They include a number of common types, such as catsharks, swellsharks, and the sandbar shark. Members of this order are characterized by the presen ...

(ground sharks)

Family Carcharhinidae (requiem sharks) *

Blue shark The blue shark (''Prionace glauca''), also known as the great blue shark, is a species of requiem shark, in the family Carcharhinidae, which inhabits deep waters in the world's temperate and tropical oceans. Averaging around and preferring co ...

, ''Prionace glauca'' Family Scyliorhinidae (catsharks) * Iceland catshark, ''Apristurus laurussonii'' *

Ghost catshark The ghost catshark (''Apristurus manis'') is a catshark of the family Scyliorhinidae found on the continental slopes in the northwest Atlantic off Massachusetts, the northeast Atlantic from the Porcupine Bank west of Ireland and the southern Atla ...

, ''Apristurus manis'' * Black roughscale catshark, ''Apristurus melanoasper'' *

Blackmouth catshark The blackmouth catshark (''Galeus melastomus'') is a species of catshark, and part of the family Scyliorhinidae, common in the northeastern Atlantic Ocean from Iceland to Senegal, including the Mediterranean Sea. It is typically found over the ...

, ''Galeus melastomus'' *

Lesser spotted dogfish The small-spotted catshark (''Scyliorhinus canicula''), also known as the sandy dogfish, lesser-spotted dogfish, rough-hound or morgay (in Scotland and Cornwall), is a catshark of the family Scyliorhinidae. It is found on the continental shelves ...

, ''Scyliorhinus canicula'' *

Nursehound The nursehound (''Scyliorhinus stellaris''), also known as the large-spotted dogfish, greater spotted dogfish or bull huss, is a species of catshark, belonging to the family Scyliorhinidae, found in the northeastern Atlantic Ocean. It is general ...

, ''Scyliorhinus stellaris'' Family Sphyrnidae (hammerhead sharks) * Smooth hammerhead, ''Sphyrna zygaena'' Family Triakidae (houndsharks) * Tope, ''Galeorhinus galeus'' *

Starry smooth-hound The starry smooth-hound (''Mustelus asterias'') is a houndshark of the family Triakidae. It is found on the continental shelves of the northeast Atlantic, between latitudes 61° N and 16° N, from the surface to a depth of . It can grow up to ...

, ''Mustelus asterias''

Order

Lamniformes The Lamniformes (, from Greek ''lamna'' "fish of prey") are an order (biology), order of sharks commonly known as mackerel sharks (which may also refer specifically to the family Lamnidae). It includes some of the most familiar species of sharks, ...

(mackerel sharks)

Family

Alopiidae Thresher sharks are large lamniform sharks of the family Alopiidae found in all temperate and tropical oceans of the world; the family contains three extant species, all within the genus ''Alopias''. All three thresher shark species have been l ...

(thresher sharks) *

Common thresher The common thresher (''Alopias vulpinus''), also known as Atlantic thresher, is the largest species of thresher shark, family Alopiidae, reaching some in length. About half of its length consists of the elongated upper lobe of its caudal fin. Wi ...

, ''Alopias vulpinus'' Family Cetorhinidae (basking sharks) *

Basking shark The basking shark (''Cetorhinus maximus'') is the second-largest living shark and fish, after the whale shark, and one of three plankton-eating shark species, along with the whale shark and megamouth shark. Adults typically reach in leng ...

, ''Cetorhinus maximus'' Porbeagle mako comparison

Family

Lamnidae The Lamnidae are the family of mackerel sharks known as white sharks. They are large, fast-swimming predatory fish found in oceans worldwide, though prefer environments with colder water. The name of the family is formed from the Greek word ''lam ...

(mackerel sharks) *

Porbeagle The porbeagle (''Lamna nasus'') is a species of mackerel shark in the family Lamnidae, distributed widely in the cold and temperate marine waters of the North Atlantic and Southern Hemisphere. In the North Pacific, its ecological equivalent is ...

, ''Lamna nasus'' *

Shortfin mako shark The shortfin mako shark (; ; ''Isurus oxyrinchus''), also known as the blue pointer or bonito shark, is a large mackerel shark. It is commonly referred to as the mako shark, as is the longfin mako shark (''Isurus paucus''). The shortfin mako can ...

, ''Isurus oxyrinchus''

=Superorder
Batoidea Batoidea is a superorder of cartilaginous fishes, commonly known as rays. They and their close relatives, the sharks, comprise the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes, with well over 600 species in 26 fa ...
(rays, skates and sawfishes)

Order

Torpediniformes Fernando de Buen y Lozano was a Spanish ichthyologist and oceanographer Oceanography (), also known as oceanology and ocean science, is the scientific study of the oceans. It is an Earth science, which covers a wide range of topics, including ...

(electric rays)

Atlantic torpedo The Atlantic torpedo (''Tetronarce nobiliana'') is a species of electric ray in the family Torpedinidae. It is found in the Atlantic Ocean, from Nova Scotia to Brazil in the west and from Scotland to West Africa and off southern Africa in the ea ...

, ''Tetronarce nobiliana'' * Spotted torpedo, ''Torpedo marmorata''

Order

Myliobatiformes Myliobatiformes () is one of the four orders of batoids, cartilaginous fishes related to sharks. They were formerly included in the order Rajiformes, but more recent phylogenetic studies have shown the myliobatiforms to be a monophyletic grou ...

(rays)

Family Dasyatidae (whiptail stingrays) *

Common stingray The common stingray (''Dasyatis pastinaca'') is a species of stingray in the family Dasyatidae, found in the northeastern Atlantic Ocean and the Mediterranean and Black Seas. It typically inhabits sandy or muddy habitats in coastal waters shall ...

, ''Dasyatis pastinaca'' *

Pelagic stingray The pelagic stingray (''Pteroplatytrygon violacea'') is a species of stingray in the family Dasyatidae, and the sole member of its genus. It is characterized by the wedge-like shape of its pectoral fin disc, which is much wider than long, as wel ...

, ''Pteroplatytrygon violacea'' Family Myliobatidae (eagle rays) * Common eagle ray, ''Myliobatis aquila'' Family

Mobulidae The Mobulidae (manta rays and devilfishes) are a family of rays consisting mostly of large species living in the open ocean rather than on the sea bottom. Taxonomy The Mobulidae have been variously considered a subfamily of the Myliobatidae by ...

(devil rays) *

Devil fish The devil fish or giant devil ray (''Mobula mobular'') is a species of ray in the family Mobulidae. It is currently listed as endangered, mostly due to bycatch mortality in unrelated fisheries. Description The devil fish is larger than its clo ...

, ''Mobula mobular''

Order

Rajiformes Rajiformes is one of the four orders in the superorder Batoidea, flattened cartilaginous fishes related to sharks. Rajiforms are distinguished by the presence of greatly enlarged pectoral fins, which reach as far forward as the sides of the head ...

(skates)

Family Rajidae (skates) * Thorny skate, ''Amblyraja radiata'' * Blue skate, ''Dipturus batis'' * Norwegian skate, ''Dipturus nidarosiensis'' * Long-nosed skate, ''Dipturus oxyrinchus'' * Sandy ray, ''Leucoraja circularis'' * Blue ray, ''Neoraja caerulea'' * Blonde ray, ''Raja brachyura'' *

Thornback ray The thornback ray (''Raja clavata''), or thornback skate, is a species of ray fish in the family Rajidae. Distribution The Thornback ray is found in the Atlantic coastal waters of Europe and western Africa. It is also present from south Afri ...

, ''Raja clavata'' * Shagreen ray, ''Raja fullonica'' * Small-eyed ray, ''Raja microocellata'' * Spotted ray, ''Raja montagui'' * Cuckoo ray, ''Raja naevus'' *

Undulate ray The undulate ray (''Raja undulata'') is a species of Batoidea, ray and chondrichthyes, cartilaginous fish found in the Mediterranean and East Atlantic from southern Ireland and England to the Gulf of Guinea. It is found in areas with mud or sand, ...

, ''Raja undulata'' * Deepwater ray, ''Rajella bathyphila'' * Bigelow's ray, ''Rajella bigelowi'' * Round ray, ''Rajella fyllae'' * Bottlenosed skate, ''Rostroraja alba''

Subclass
Holocephali Holocephali ("complete heads"), sometimes given the term Euchondrocephali, is a subclass of cartilaginous fish in the class Chondrichthyes. The earliest fossils are of teeth and come from the Devonian period. Little is known about these primiti ...

=Order Chimaeriformes (chimaeras)

= Family

Rhinochimaeridae The Rhinochimaeridae, commonly known as long-nosed chimaeras, are a family (biology), family of cartilaginous fish. They are similar in form and habits to other chimaeras, but have an exceptionally long conical or paddle-shaped snout. The snout h ...

(longnose chimaeras) * Narrownose chimaera, ''Harriotta raleighana'' * Broadnose chimaera, ''Rhinochimaera atlantica'' Family

Chimaeridae The Chimaeridae, or short-nosed chimaeras, are a family of cartilaginous fish. They resemble other chimaeras in general form and habits, but have short, rounded snouts, without the modifications found in related families. Many species have lon ...

(shortnose chimaeras) * Rabbit fish, ''Chimaera monstrosa'' * Opal chimaera, ''Chimaera opalescens'' * Smalleyed rabbitfish, ''Hydrolagus affinis'' * Large-eyed rabbitfish, ''Hydrolagus mirabilis''

Superclass
Osteichthyes Osteichthyes (), popularly referred to as the bony fish, is a diverse superclass of fish that have skeletons primarily composed of bone tissue. They can be contrasted with the Chondrichthyes, which have skeletons primarily composed of cartilage ...
(boned fish) - Class
Actinopterygii Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or h ...
(ray-finned fish)

Subclass
Chondrostei Chondrostei is a group of non-neopterygian ray-finned fish, while the term originally referred to a paraphyletic group of all non-neopterygian ray-finned fish, it was redefined by Patterson in 1982 to be a clade comprising the Acipenseriformes (w ...

=Order
Acipenseriformes Acipenseriformes is an order of basal ray-finned fishes that includes living and fossil sturgeons and paddlefishes (Acipenseroidei), as well as the extinct families Chondrosteidae and Peipiaosteidae. They are the second earliest div ...
(sturgeons)

= Family

Acipenseridae Sturgeon is the common name for the 27 species of fish belonging to the family Acipenseridae. The earliest sturgeon fossils date to the Late Cretaceous, and are descended from other, earlier acipenseriform fish, which date back to the Early ...

(sturgeons) *

European sea sturgeon The European sea sturgeon (''Acipenser sturio''), also known as the Atlantic sturgeon or common sturgeon, is a species of sturgeon native to Europe. It was formerly abundant, being found in coastal habitats all over Europe. It is anadromous and b ...

, ''Acipenser sturio''

Subclass
Neopterygii Neopterygii (from Greek νέος ''neos'' 'new' and πτέρυξ ''pteryx'' 'fin') is a subclass of ray-finned fish (Actinopterygii). Neopterygii includes the Holostei and the Teleostei, of which the latter comprise the vast majority of extant f ...

Infraclass
Holostei Holostei is a group of ray-finned bony fish. It is divided into two major clades, the Halecomorphi, represented by a single living species, the bowfin (''Amia calva''), as well as the Ginglymodi, the sole living representatives being the gars (Le ...

=Superorder Clupeomorpha

Order

Clupeiformes Clupeiformes is the order of Actinopterygii, ray-finned fish that includes the herring family, Clupeidae, and the anchovy family, Engraulidae. The group includes many of the most important Forage fish, forage and food fish. Clupeiformes are phy ...

(herring and anchovies)

Family

Clupeidae Clupeidae is a family of ray-finned fishes, comprising, for instance, the herrings, shads, sardines, hilsa, and menhadens. The clupeoids include many of the most important food fishes in the world, and are also commonly caught for production of ...

(herring and sardines) *

Allis shad The allis shad (''Alosa alosa'') is a widespread Northeast Atlantic species of fish in the herring family, Clupeidae. It is an anadromous fish which migrates into fresh water to spawn. It is found in the eastern Atlantic Ocean, the western Bal ...

, ''Alosa alosa'' *

Twaite shad The twait shad or twaite shad (''Alosa fallax'') is a species of fish in the family Clupeidae. It is found in the eastern Atlantic Ocean and the Mediterranean Sea and is an anadromous fish which lives in the sea but migrates into fresh water to s ...

, ''Alosa fallax'' *

Atlantic herring Atlantic herring (''Clupea harengus'') is a herring in the family (biology), family Clupeidae. It is one of the most abundant fish species in the world. Atlantic herrings can be found on both sides of the Atlantic Ocean, congregating in large ...

, ''Clupea harengus'' *

Pilchard "Sardine" and "pilchard" are common names for various species of small, oily forage fish in the herring family Clupeidae. The term "sardine" was first used in English during the early 15th century, a folk etymology says it comes from the ...

, ''Sardina pilchardus'' *

European sprat The European sprat (''Sprattus sprattus''), also known as bristling, brisling, garvie, garvock, Russian sardine, russlet, skipper or whitebait, is a species of small marine fish in the herring family Clupeidae. Found in European waters, it has si ...

, ''Sprattus sprattus sprattus'' Family

Engraulidae An anchovy is a small, common forage fish of the family Engraulidae. Most species are found in marine waters, but several will enter brackish water, and some in South America are restricted to fresh water. More than 140 species are placed in 1 ...

(Anchovies) * European anchovy, ''Engraulis encrasicolus''

=Superorder
Elopomorpha The superorder Elopomorpha contains a variety of types of fishes that range from typical silvery-colored species, such as the tarpons and ladyfishes of the Elopiformes and the bonefishes of the Albuliformes, to the long and slender, smooth-bodi ...

Order

Anguilliformes Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stag ...

(true eels)

Family

Anguillidae The Anguillidae are a family of ray-finned fish that contains the freshwater eels. Eighteen of the 19 extant species and six subspecies in this family are in the genus ''Anguilla''. They are elongated fish with snake-like bodies, their long dorsa ...

(freshwater eels) *

European eel The European eel (''Anguilla anguilla'') is a species of eel, a snake-like, catadromous fish. They are normally around and rarely reach more than , but can reach a length of up to in exceptional cases. Eels have been important sources of fo ...

, ''Anguilla anguilla'' Family

Congridae The Congridae are the family of conger and garden eels. Congers are valuable and often large food fishes, while garden eels live in colonies, all protruding from the sea floor after the manner of plants in a garden (thus the name). The family i ...

(conger eels) *

European conger The European conger (''Conger conger'') is a species of conger of the family Congridae. It is the heaviest eel in the world and native to the northeast Atlantic, including the Mediterranean Sea. Description and behavior European congers have an ...

, ''Conger conger'' Family

Muraenidae Moray eels, or Muraenidae (), are a family of eels whose members are found worldwide. There are approximately 200 species in 15 genera which are almost exclusively marine, but several species are regularly seen in brackish water, and a few are f ...

(moray eels) *

Mediterranean moray The Mediterranean moray (sometimes also called Roman eel, ''Muraena helena'', ''زريمباية'') is a fish of the moray eel family. It has a long eel-like body and is found in the eastern Atlantic Ocean and Mediterranean Sea. Its bite can be d ...

, ''Muraena helena'' Family

Nettastomatidae Nettastomatidae, the duckbill eels or witch eels are a family of eels. The name is from Greek ''netta'' meaning "duck" and ''stoma'' meaning "mouth". Duckbill eels are found along the continental slopes of tropical and temperate oceans worldwid ...

(duckbill eels) * Whipsnout sorcerer, ''Venefica proboscidea'' Family Synaphobranchidae (cutthroat eels) * Deepwater arrowtooth eel, ''Histiobranchus bathybius'' *'' Ilyophis arx'' *'' Ilyophis blachei'' * Muddy arrowtooth eel, ''Ilyophis brunneus'' *

Kaup's arrowtooth eel The Kaup's arrowtooth eel (''Synaphobranchus kaupii'', also known as the Kaup's cut-throat eel, the Gray's cutthroat, the Longnosed eel, the Northern cutthroat eel, or the Slatjaw cutthroat eel) is an eel in the family Synaphobranchidae (cutthroa ...

, ''Synaphobranchus kaupii''

Order

Notacanthiformes The Notacanthiformes are an order of deep-sea ray-finned fishes, consisting of the families Halosauridae and Notacanthidae ( spiny eels). The order is of relatively recent vintage; ''Fishes of the World'' (2006) lists it as the suborder Notacan ...

(halosaurs, spiny eels)

Family

Halosauridae Halosaurs are eel-shaped fishes found only at great ocean depths. As the family Halosauridae, halosaurs are one of two families within the order Notacanthiformes; the other being the deep-sea spiny eels, Notacanthidae. Halosaurs are thought to h ...

(halosaurs) *

Abyssal halosaur The abyssal halosaur (''Halosauropsis macrochir'') is a species of bottom-dwelling, deep-sea fish in the family Halosauridae that is found in all oceans at depths of 1100 to 3500 meters. It is the only member of its genus. Abyssal halosaur can ...

, ''Halosauropsis macrochir'' * Sahara halosaur, ''Halosaurus johnsonianus'' Family

Notacanthidae Notacanthidae, the deep-sea spiny eels, are a family of fishes found worldwide below , and as deep as . The earliest known spiny eel is ''Pronotacanthus sahelalmae'', from the Santonian of what is now Lebanon. Their bodies are greatly elongated ...

(spiny eels) * Shortfin spiny eel, ''Notacanthus bonaparte'' * Snub-nosed spiny eel, ''Notacanthus chemnitzii'' * Longnose tapirfish, ''Polyacanthonotus challengeri'' * Smallmouth spiny eel, ''Polyacanthonotus rissoanus''

Order

Saccopharyngiformes The saccopharyngiformes are a derived lineage of unusual eels within the order Anguilliformes, and includes families Cyematidae, Monognathidae, Eurypharyngidae, Saccopharyngidae, and the proposed family Neocyematidae. Most of the fish in this gro ...

(gulper eels)

Family

Eurypharyngidae The pelican eel (''Eurypharynx pelecanoides'') is a deep-sea eel. It is the only known member of the genus ''Eurypharynx'' and the family Eurypharyngidae. It belongs to the "saccopharyngiforms", members of which were historically placed in the ...

(pelican eels) *

Pelican eel The pelican eel (''Eurypharynx pelecanoides'') is a deep-sea eel. It is the only known member of the genus ''Eurypharynx'' and the family Eurypharyngidae. It belongs to the "saccopharyngiforms", members of which were historically placed in the ...

, ''Eurypharynx pelecanoides'' Family

Saccopharyngidae ''Saccopharynx'' is a genus of deep-sea eels with large mouths, distensible stomachs and long, scaleless bodies. Commonly, these fish are called gulpers or gulper eels. It is the only genus in the family Saccopharyngidae, and is part of the deriv ...

(gulper eels) *

Gulper eel The saccopharyngiformes are a derived lineage of unusual eels within the order Anguilliformes, and includes families Cyematidae, Monognathidae, Eurypharyngidae, Saccopharyngidae, and the proposed family Neocyematidae. Most of the fish in this gro ...

, ''Saccopharynx ampullaceus''

=Superorder
Ostariophysi Ostariophysi is the second-largest superorder of fish. Members of this superorder are called ostariophysians. This diverse group contains 10,758 species, about 28% of known fish species in the world and 68% of freshwater species, and are present ...

Order

Cypriniformes Cypriniformes is an order of ray-finned fish, including the carps, minnows, loaches, and relatives. Cypriniformes is an Order within the Superorder Ostariophysi consisting of "Carp-like" Ostariophysins. This order contains 11-12 families, ...

Family

Cyprinidae Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest verte ...

(carp and relatives) *

Common bream The common bream, freshwater bream, bream, bronze bream, carp bream or sweaty bream (''Abramis brama''), is a European species of freshwater fish in the family Cyprinidae. It is now considered to be the only species in the genus ''Abramis''. ...

, ''Abramis brama'' *

Gudgeon A gudgeon is a socket-like, cylindrical (i.e., ''female'') fitting attached to one component to enable a pivoting or hinging connection to a second component. The second component carries a pintle fitting, the male counterpart to the gudgeon, ...

, ''Gobio gobio'' *

Common dace The common dace (''Leuciscus leuciscus'') is a species of freshwater and brackish water ray-finned fish from the family Cyprinidae which is native to Europe but which has been introduced to other parts of the world. It is a quarry species for coa ...

, ''Leuciscus leuciscus'' *

Common minnow The Eurasian minnow, minnow, or common minnow (''Phoxinus phoxinus'') is a small species of freshwater fish in the carp family Cyprinidae. It is the type species of genus ''Phoxinus''. It is ubiquitous throughout much of Eurasia, from Britain and ...

, ''Phoxinus phoxinus'' * Common roach, ''Rutilus rutilus'' *

Common rudd The common rudd (''Scardinius erythrophthalmus'') is a bentho-pelagic freshwater fish, widely spread in Europe and middle Asia, around the basins of the North, Baltic, Black, Caspian and Aral seas. Identification Morphologically, this specie ...

, ''Scardinius erythrophthalmus'' *

European chub ''Squalius cephalus'' is a European species of freshwater fish in the carp family Cyprinidae. It frequents both slow and moderate rivers, as well as canals and still waters of various kinds. This species is referred to as the common chub, Europe ...

, ''Squalius cephalus'' *

Tench The tench or doctor fish (''Tinca tinca'') is a fresh- and brackish-water fish of the order Cypriniformes found throughout Eurasia from Western Europe including the British Isles east into Asia as far as the Ob and Yenisei Rivers. It is also ...

, ''Tinca tinca'' Family

Nemacheilidae The Nemacheilidae, or stone loaches, are a family of cypriniform fishes that inhabit stream environments, mostly in Eurasia, with one genus, ''Afronemacheilus'' found in Africa Africa is the world's second-largest and second-most populo ...

(stone loaches) *

Stone loach The stone loach (''Barbatula barbatula'') is a European species of fresh water ray-finned fish in the family Nemacheilidae. It is one of nineteen species in the genus ''Barbatula''. Stone loaches live amongst the gravel and stones of fast flowin ...

, '' Barbatula barbatula''

= Superorder
Protacanthopterygii Protacanthopterygii is a ray-finned fish taxon ranked as a superorder of the infraclass Teleostei. They inhabit both marine and freshwater habitats. They appear to have evolved in the Cretaceous or perhaps late Jurassic, originating probably roug ...

Order

Alepocephaliformes Alepocephaliformes is an order of ray-finned fish. It was previously classified as the suborder Alepocephaloidei of the order Argentiniformes The Argentiniformes are an order of ray-finned fish whose distinctness was recognized only fairly ...

Family

Platytroctidae The tubeshoulders are a family, Platytroctidae, of ray-finned fish belonging to the order Alepocephaliformes Alepocephaliformes is an order of ray-finned fish. It was previously classified as the suborder Alepocephaloidei of the order Argenti ...

(tubeshoulders) * Bighead searsid, ''Holtbyrnia anomala'' * Maul's searsid, ''Maulisia mauli'' * Multipore searsid, ''Normichthys operosus'' * Schnakenbeck's searsid, ''Sagamichthys schnakenbecki'' * Koefoed's searsid, ''Searsia koefoedi'' Family

Alepocephalidae Slickheads, also known as nakedheads or smoothheads, are deep water fishes that belong to the family Alepocephalidae. They are most commonly found in the bathypelagic layer, which is approximately 3000m below the surface. They get their name from ...

(slickheads) * Longfin smooth-head, ''Conocara macropterum'' * Elongate smooth-head, ''Conocara microlepis'' * Murray's smooth-head, ''Conocara murrayi'' * Salmon smooth-head, ''Conocara salmoneum'' * Agassiz' smooth-head, ''Leptochilichthys agassizii'' * Blackhead salmon, ''Narcetes stomias'' * Abyssal smooth-head, ''Rinoctes nasutus'' * Softskin smooth-head, ''Rouleina attrita'' * Bluntsnout smooth-head, ''Xenodermichthys copei''

Order

Argentiniformes The Argentiniformes are an order of ray-finned fish whose distinctness was recognized only fairly recently. In former times, they were included in the Osmeriformes (typical smelt and allies) as suborder Argentinoidei. That term refers only to ...

Family

Microstomatidae The Microstomatidae (pencil smelts) are a family of marine smelts native to the Atlantic, Indian, and Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in t ...

(pencil smelts) * Slender argentine, ''Microstoma microstoma'' * Greenland argentine, ''Nansenia groenlandica'' *'' Nansenia oblita'' Family

Opisthoproctidae Barreleyes, also known as spook fish (a name also applied to several species of chimaera), are small deep-sea argentiniform fish comprising the family Opisthoproctidae found in tropical-to-temperate waters of the Atlantic, Pacific, and Indian ...

(barreleyes) *

Barrel-eye Barreleyes, also known as spook fish (a name also applied to several species of chimaera), are small deep-sea argentiniform fish comprising the family Opisthoproctidae found in tropical-to-temperate waters of the Atlantic, Pacific, and Indian ...

, ''Opisthoproctus soleatus''

Order

Osmeriformes The Osmeriformes are an order of ray-finned fish that includes the true or freshwater smelts and allies, such as the galaxiids and noodlefishes; they are also collectively called osmeriforms. They belong to the teleost superorder Protacanthopt ...

(smelts, etc.)

European smelt The smelt or European smelt (''Osmerus eperlanus'') is a species of fish in the family Osmeridae. Shape and appearance The body of the European smelt is typically 15 to 18 cm long, slender and slightly flattened on either side. Larger fi ...

, ''Osmerus eperlanus''

Order

Salmoniformes Salmonidae is a family of ray-finned fish that constitutes the only currently extant family in the order Salmoniformes . It includes salmon (both Atlantic and Pacific species), trout (both ocean-going and landlocked), chars, freshwater whitefis ...

(salmon, trout, whitefish)

Family

Salmonidae Salmonidae is a family of ray-finned fish that constitutes the only currently extant family in the order Salmoniformes . It includes salmon (both Atlantic and Pacific species), trout (both ocean-going and landlocked), chars, freshwater whitefis ...

(salmon, trout, whitefish) * Irish pollan, ''Coregonus autumnalis'' *

Common whitefish ''Coregonus lavaretus'' is a species of freshwater whitefish, in the family Salmonidae. It is the type species of its genus ''Coregonus''. There are widely different concepts about the delimitation of the species ''Coregonus lavaretus'' and abo ...

, ''Coregonus lavaretus'' *

Atlantic salmon The Atlantic salmon (''Salmo salar'') is a species of ray-finned fish in the family Salmonidae. It is the third largest of the Salmonidae, behind Siberian taimen and Pacific Chinook salmon, growing up to a meter in length. Atlantic salmon are ...

, ''Salmo salar'' *

Brown trout The brown trout (''Salmo trutta'') is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes purely freshwater populations, referred to as the riverine ecotype, ''Salmo trutta'' morph ...

, ''Salmo trutta'' * Sea trout, ''Salmo trutta trutta'' *

Arctic char The Arctic char or Arctic charr (''Salvelinus alpinus'') is a cold-water fish in the family Salmonidae, native to alpine lakes and arctic and subarctic coastal waters. Its distribution is Circumpolar North. It spawns in freshwater and populatio ...

, ''Salvelinus alpinus alpinus'' * Cole's char, ''Salvelinus colii'' * Coomsaharn char, ''Salvelinus fimbriatus'' * Gray's char, ''Salvelinus grayi'' * Blunt-snouted Irish char, ''Salvelinus obtusus''

= Superorder Stenopterygii

Order

Stomiiformes Stomiiformes is an order of deep-sea ray-finned fishes of very diverse morphology. It includes, for example, dragonfishes, lightfishes (Gonostomatidae and Phosichthyidae), loosejaws, marine hatchetfishes and viperfishes. The order contains 4 ...

Family

Gonostomatidae The Gonostomatidae are a family of mesopelagic marine fish, commonly named bristlemouths, lightfishes, or anglemouths. It is a relatively small family, containing only eight known genera and 32 species. However, bristlemouths make up for their ...

(bristlemouths) * Longray fangjaw, ''Bonapartia pedaliota'' *

Bristlemouth The Gonostomatidae are a family of mesopelagic marine fish, commonly named bristlemouths, lightfishes, or anglemouths. It is a relatively small family, containing only eight known genera and 32 species. However, bristlemouths make up for their ...

, ''Cyclothone alba'' * Spark anglemouth, ''Sigmops bathyphilus'' Family

Sternoptychidae The marine hatchetfishes or deep-sea hatchetfishes as well as the related bottlelights, pearlsides and constellationfishes are small deep-sea ray-finned fish of the stomiiform family Sternoptychidae. They are not closely related to and sh ...

(hatchefishes and relatives) *

Mueller's pearlside ''Maurolicus muelleri'', commonly referred to as Mueller's pearlside, Mueller's bristle-mouth fish (not to be confused with the Gonostomatidae), or the silvery lightfish (not to be confused with the Phosichthyidae) is a marine hatchetfish in the ...

, ''Maurolicus muelleri'' * Diaphanous hatchetfish, ''Sternoptyx diaphana'' *

Constellationfish ''Valenciennellus'' is a genus of marine hatchetfishes. They are commonly known as constellationfishes. Species There are currently two recognized species in this genus: * '' Valenciennellus carlsbergi'' Bruun, 1931 * '' Valenciennellus tripu ...

, ''Valenciennellus tripunctulatus'' Family

Phosichthyidae Lightfishes are small stomiiform fishes in the family Phosichthyidae The earliest fossils of lightfishes are from Oligocene-aged Paratethyan marine strata in the Czech Republic. They are very small fishes found in oceans throughout the world: ...

(lightfishes) * Rendezvous fish, ''Polymetme corythaeola'' *'' Polymetme thaeocoryla'' Family

Stomiidae Stomiidae is a family of deep-sea ray-finned fish, including the barbeled dragonfishes. They are quite small, usually around 15 cm, up to 26 cm. These fish are apex predators and have enormous jaws filled with fang-like teeth. They are ...

(dragonfishes) * Large-eye snaggletooth, ''Borostomias antarcticus'' *'' Grammatostomias flagellibarba'' *'' Leptostomias gladiator'' * Boa dragonfish, ''Stomias boa ferox'' * Threelight dragonfish, ''Trigonolampa miriceps''

=Superorder Cyclosquamata

Order

Aulopiformes Aulopiformes is a diverse order of marine ray-finned fish consisting of some 15 extant and several prehistoric families with about 45 genera and over 230 species. The common names grinners, lizardfishes and allies, or aulopiforms are someti ...

(grinners, lizardfishes)

Family Notosudidae (waryfishes) * Blackfin waryfish, ''Scopelosaurus lepidus'' Family Paralepididae (barracudinas) * Duckbill barracudina, ''Magnisudis atlantica'' * Sharpchin barracudina, ''Paralepis coregonoides'' *'' Sudis hyalina''

=Superorder Scopelomorpha

Order

Myctophiformes The Myctophiformes are an order of ray-finned fishes consisting of two families of deep-sea marine fish, most notably the highly abundant lanternfishes (Myctophidae). The blackchins (Neoscopelidae) contain six species in three genera, while t ...

(lanternfishes)

Family Myctophidae (lanternfishes) * Glacier lanternfish, ''Benthosema glaciale'' * Spothead lantern fish, ''Diaphus metopoclampus'' * White-spotted lantern fish, ''Diaphus rafinesquii'' * Chubby flashlightfish, ''Electrona risso'' * Spotted lanternfish, ''Myctophum punctatum'' * Topside lampfish, ''Notolychnus valdiviae'' * Diamondcheek lanternfish, ''Lampanyctus intricarius'' * Rakery beaconlamp, ''Lampanyctus macdonaldi'' * Cocco's lantern fish, ''Lobianchia gemellarii'' * Arctic telescope, ''Protomyctophum arcticum'' * Large scale lantern fish, ''Symbolophorus veranyi''

=
Acanthomorpha Acanthomorpha (meaning "thorn-shaped") is an extraordinarily diverse taxon of teleost fishes with spiny rays. The clade contains about one third of the world's modern species of vertebrates: over 14,000 species. A key anatomical innovation in ...

Order

Lampriformes Lampriformes is an order of ray-finned fish. Members are collectively called lamprids (which is more properly used for the Lampridae) or lampriforms, and unite such open-ocean and partially deep-sea Teleostei as the crestfishes, oarfish, opah ...

Family

Lampridae Opahs, also commonly known as moonfish, sunfish (not to be confused with Molidae), kingfish, redfin ocean pan are large, colorful, deep-bodied pelagic lampriform fishes comprising the small family Lampridae (also spelled Lamprididae). The fami ...

(opahs) *

Opah Opahs, also commonly known as moonfish, sunfish (not to be confused with Molidae), kingfish, redfin ocean pan are large, colorful, deep-bodied pelagic lampriform fishes comprising the small family Lampridae (also spelled Lamprididae). The famil ...

, ''Lampris guttatus'' Family Trachipteridae (ribbonfishes) * Dealfish, ''Trachipterus arcticus''

Order

Zeiformes The Zeiformes are a small order of marine ray-finned fishes most notable for the dories, a group of common food fish. The order consists of about 33 species in seven families, mostly deep-sea types. Zeiform bodies are usually thin and deep. Mo ...

(dories, etc.)

Family

Zeidae The Zeidae (named after Zeus, the supreme god of Greek mythology) are a family of large, showy, deep-bodied zeiform marine fish—the "true dories". Found in the Atlantic, Indian, and Pacific Oceans, the family contains just six species in tw ...

(dories) *

John Dory John Dory, St Pierre or Peter's fish, refers to fish of the genus ''Zeus'', especially ''Zeus faber'', of widespread distribution. It is an edible demersal coastal marine fish with a laterally compressed olive-yellow body which has a large dark ...

, ''Zeus faber'' Family

Oreosomatidae Oreosomatidae, the oreos, are a family of marine fish. Most species are found in the Southern Hemisphere, inhabiting continental slopes down to about deep. Most of then are 43 cm at most, with the largest species reaching a length of 60&nbs ...

(oreos) * False boarfish, ''Neocyttus helgae''

Order

Gadiformes Gadiformes are an order of ray-finned fish, also called the Anacanthini, that includes the cod. Many major food fish are in this order. They are found in marine waters throughout the world and the vast majority of the species are found in tempe ...

(cod and relatives)

Family

Gadidae The Gadidae are a family of marine fish, included in the order Gadiformes, known as the cods, codfishes, or true cods. It contains several commercially important fishes, including the cod, haddock, whiting, and pollock. Most gadid species ...

(cod and relatives) * Silvery cod, ''Gadiculus argenteus argenteus'' * Silvery pout, ''Gadiculus argenteus thori'' *

Atlantic cod The Atlantic cod (''Gadus morhua'') is a benthopelagic fish of the family Gadidae, widely consumed by humans. It is also commercially known as cod or codling.Haddock The haddock (''Melanogrammus aeglefinus'') is a saltwater ray-finned fish from the family Gadidae, the true cods. It is the only species in the monotypic genus ''Melanogrammus''. It is found in the North Atlantic Ocean and associated seas where ...

, ''Melanogrammus aeglefinus'' * Whiting, ''Marlangius merlangus'' *

Blue whiting The blue whiting (''Micromesistius poutassou'') one of the two species in the genus '' Micromesistius'' in the family Gadidae, which also contains cod, haddock, whiting, and pollock. It is common in the northeast Atlantic Ocean from Morocco to I ...

, ''Micromesistius poutassou'' *

Pollock Pollock or pollack (pronounced ) is the common name used for either of the two species of North Atlantic marine fish in the genus ''Pollachius''. ''Pollachius pollachius'' is referred to as pollock in North America, Ireland and the United Kingd ...

, ''Pollachius pollachus'' *

Saithe The saithe ( or ) (''Pollachius virens'') is a species of marine fish in the Pollock genus ''Pollachius''. Together with '' P. pollachius'', it is generally referred to in the United States as pollock. Other names include the Boston blue (separa ...

, ''Pollachius virens'' * Tadpole fish, ''Raniceps raninus'' *

Norway pout ''Trisopterus esmarkii'', the Norway pout, is a species of fish in the cod family. It is found in the Barents Sea, North Sea, Baltic Sea, off the coasts of Norway, Iceland, the British Isles and elsewhere in the northeast Atlantic Ocean. It pref ...

, ''Trisopterus esmarkii'' * Pouting, ''Trisopterus luscus'' * Poor cod, ''Trisopterus minutus'' Family

Lotidae The Lotidae are a family of cod-like fishes commonly known as lings or rocklings. They are found in the Arctic, Atlantic, and Pacific Oceans. Except for a few species of ''Gaidropsarus'', all are restricted to the Northern Hemisphere. All specie ...

(lings) * Cusk, ''Brosme brosme'' * Fivebeard rockling, ''Ciliata mustela'' * Northern rockling, ''Ciliata septentrionalis'' * Fourbeard rockling, ''Enchelyopus cimbrius'' * Arctic rockling, ''Gaidropsarus argentatus'' * Bigeye rockling, ''Gaidropsarus macrophthalmus'' *

Shore rockling The shore rockling (''Gaidropsarus mediterraneus'') is a mottled brown, small, elongated fish. This eel-like fish has three barbels on its head, with the second dorsal fin and the anal fin running the length of most of its body. These fins may ...

, ''Gaidropsarus mediterraneus'' * Three-bearded rockling, ''Gaidropsarus vulgaris'' *

Burbot The burbot (''Lota lota'') is the only gadiform (cod-like) freshwater fish Freshwater fish are those that spend some or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%. These environments di ...

, ''Lota lota'' * Blue ling, ''Molva dypterygia'' * Spanish ling, ''Molva macrophthalma'' *

Common ling The common ling (''Molva molva''), also known as the white ling or simply the ling, is a large member of the family Lotidae, a group of cod-like fishes. It resembles the related rocklings, but it is much larger and has a single barbel. This spe ...

, ''Molva molva'' Family

Macrouridae Macrouridae is a family of deep sea fish, a diverse and ecologically important group, which are part of the order of cod-like fish, the Gadiformes. The species in the Macrouridae are characterised by their large heads which normally have a singl ...

(grenadiers or rattails) * Hollowsnout grenadier, ''Coelorinchus caelorhincus'' * Spearsnouted grenadier, ''Coelorinchus labiatus'' *

Abyssal grenadier The abyssal grenadier, ''Coryphaenoides armatus'', is an abyssal fish of the genus '' Coryphaenoides'', found in all the world's oceans, at depths between . Its adult length is , although Fishbase gives lengths up to . The abyssal grenadier's bod ...

, ''Coryphaenoides armatus'' *'' Coryphaenoides brevibarbis'' * Carapine grenadier, ''Coryphaenoides carapinus'' * Günther's grenadier, ''Coryphaenoides guentheri'' * Ghostly grenadier, ''Coryphaenoides leptolepis'' * Mediterranean grenadier, ''Coryphaenoides mediterraneus'' * Deepwater grenadier, ''Coryphaenoides profundicolus'' * Roundnose grenadier, ''Coryphaenoides rupestris'' * Glasshead grenadier, ''Hymenocephalus italicus'' * Onion-eye grenadier, ''Macrourus berglax'' * Softhead grenadier, ''Malacocephalus laevis'' * Common Atlantic grenadier, ''Nezumia aequalis'' *'' Paracetonurus flagellicauda'' Family

Merlucciidae The Merlucciidae, commonly called merluccid hakes , are a family of cod-like fish, including most hakes. available for download at http://www.fao.org They are native to cold water in the Atlantic and Pacific Oceans, and typically are found at de ...

(hakes) *''

Lyconus brachycolus ''Lyconus brachycolus'' is a species of hake fish in the family Merlucciidae. Description ''Lyconus brachycolus'' is silvery in colour, with a black median line. It is up to in length with 9–11 dorsal soft rays and a small caudal fin. The ...

'' *

European hake ''Merluccius merluccius'', the European hake, is a merluccid hake of the genus ''Merluccius''. Other vernacular names include Cornish salmon and herring hake. It is a predatory species which was often netted alongside one of its favoured prey, th ...

, ''Merluccius merluccius'' Family

Moridae The Moridae are a family of cod-like fishes, known as codlings, hakelings, and moras. Morids are marine fishes found throughout the world, and may be found at depths to , although most prefer shallower waters. In appearance, they greatly resemb ...

(codlings) *

Common mora ''Mora moro'', the common mora, is a deep-sea fish, the only species in the genus ''Mora''. It is found worldwide in temperate seas, at depths of between 300 and 2,500 m. Its length is up to about 80 cm. Other names in English include good ...

, ''Mora moro'' *'' Guttigadus latifrons'' * Slender codling, ''Halargyreus johnsonii'' * North Atlantic codling, ''Lepidion eques'' Family

Phycidae The Phycidae are a family of hakes in the order Gadiformes. They are native to the Atlantic Ocean, but the juveniles of some species enter estuaries. Sometimes this family is classified as the subfamily Phycinae of the cod family, Gadidae Th ...

(forkbeard hakes) * Greater forkbeard, ''Phycis blennoides'' Family Trachyrincidae * Roughnose grenadier, ''Trachyrincus murrayi'' * Roughsnout grenadier, ''Trachyrincus scabrus''

=Superorder
Acanthopterygii Acanthopterygii (meaning "spiny finned one") is a superorder of bony fishes in the class Actinopterygii. Members of this superorder are sometimes called ray-finned fishes for the characteristic sharp, bony rays in their fins; however this name i ...

Order

Beryciformes The Beryciformes are a poorly-understood order of carnivorous ray-finned fishes consisting of 7 families, 30 genera, and 161 species. They feed on small fish and invertebrates. Beyond this, little is known about the biology of most member specie ...

(alfonsinos, bigscales, ridgeheads)

Family

Berycidae Berycidae is a small family of deep-sea fishes, related to the squirrelfish Holocentrinae is a subfamily of Holocentridae containing 40 recognized species and one proposed species. Its members are typically known as squirrelfish and all are n ...

(alfonsinos) *

Alfonsino The alfonsino (''Beryx decadactylus''), also known as the alfonsin, longfinned beryx, red bream, or imperador, is a species of deepwater berycid fish of the order Beryciformes. It can be found in temperate and subtropical ocean waters nearly wo ...

, ''Beryx decadactylus'' Family Melamphaidae (bigscales) * Crested bigscale, ''Poromitra crassiceps'' * Bean's bigscale, ''Scopelogadus beanii''

Oder

Trachichthyiformes The Trachichthyiformes are an order of ray-finned fishes in the superorder Acanthopterygii. Phylogeny A recent phylogeny based on the work of Betancur-Rodriguez ''et al.'' 2017 shows Trachichthyiformes as a sister group of Beryciformes The B ...

(spinyfins, roughies and relatives)

Family Diretmidae (spinyfins) * Silver spinyfin, ''Diretmus argenteus'' Family Trachichthyidae (roughies and slimeheads) *

Orange roughy The orange roughy (''Hoplostethus atlanticus''), also known as the red roughy, slimehead and deep sea perch, is a relatively large deep-sea fish belonging to the slimehead family (Trachichthyidae). The UK Marine Conservation Society has categoriz ...

, ''Hoplostethus atlanticus'' * Silver roughy, ''Hoplostethus mediterraneus mediterraneus''

=Clade
Percomorpha Percomorpha () is a large clade of ray-finned fish that includes the tuna, seahorses, gobies, cichlids, flatfish, wrasse, perches, anglerfish, and pufferfish. Evolution Percomorpha are the most diverse group of teleost fish today. Teleosts, an ...

Series Ophidiimorpharia

Order

Ophidiiformes Ophidiiformes is an order of ray-finned fish that includes the cusk-eels (family Ophidiidae), pearlfishes (family Carapidae), viviparous brotulas (family Bythitidae), and others. Members of this order have small heads and long slender bodies. Th ...

(cusk-eels, brotulas and relatives)

Family Aphyonidae *'' Sciadonus galatheae'' Family Bythitidae (viviparous brotulas) *'' Cataetyx alleni'' *'' Cataetyx laticeps'' *'' Thalassobathia pelagica'' Family

Carapidae Pearlfish are marine fish in the ray-finned fish family Carapidae. Pearlfishes inhabit the tropical waters of the Atlantic, Indian, and Pacific Oceans at depths to , along oceanic shelves and slopes. They are slender, elongated fish with no sca ...

(pearlfishes) *

Pearlfish Pearlfish are marine fish in the ray-finned fish family Carapidae. Pearlfishes inhabit the tropical waters of the Atlantic, Indian, and Pacific Oceans at depths to , along oceanic shelves and slopes. They are slender, elongated fish with no ...

, ''Echiodon drummondii'' Family

Ophidiidae The cusk-eel family, Ophidiidae, is a group of marine bony fishes in the Ophidiiformes order. The scientific name is from the Greek ''ophis'' meaning "snake", and refers to their eel-like appearance. True eels, however, diverged from other ray ...

(cusk-eels) * Pudgy cuskeel, ''Spectrunculus grandis''

Series Gobiomorpharia

Order

Gobiiformes The Gobiiformes are an order of fish that includes the gobies and their relatives. The order, which was previously considered a suborder of Perciformes, is made up of about 2,211 species that are divided between seven families. Phylogenetic rel ...

(gobies and relatives)

Family

Gobiidae Gobiidae or gobies is a family of bony fish in the order Gobiiformes, one of the largest fish families comprising more than 2,000 species in more than 200 genera. Most of gobiid fish are relatively small, typically less than in length, and the ...

(gobies) *

Transparent goby ''Aphia minuta'', the transparent goby, is a species of the goby native to the northeastern Atlantic Ocean where it can be found from Trondheim, Norway to Morocco. It is also found in the Mediterranean Sea, Mediterranean, Black Sea and the Sea o ...

, ''Aphia minuta'' * Jeffrey's goby, ''Buenia jeffreysii'' * Crystal goby, ''Crystallogobius linearis'' * Couch's goby, ''Gobius couchi'' * Red-mouthed goby, ''Gobius cruentatus'' * Black goby, ''Gobius niger'' *

Rock goby The rock goby (''Gobius paganellus'') is a small coastal goby of eastern Atlantic waters, from Scotland to Senegal.Miller P.J. (1986) Gobiidae. In: Whitehead P.J.P., Bauchot M.-L., Hureau J.-C., Nielsen J., Tortonese E. (eds.) Fishes of the North ...

, ''Gobius paganellus'' *

Two-spotted goby The two-spotted goby (''Gobiusculus flavescens'') is a species of goby native to marine and brackish waters of the eastern Atlantic Ocean where it can be found from the Faeroes and Norway to the northwestern coast of Spain. It has also been reco ...

, ''Gobiusculus flavescens'' *'' Lesueurigobius friesii'' * Lozano's goby, ''Pomatoschistus lozanoi'' *

Common goby The common goby (''Pomatoschistus microps'') is a species of ray-finned fish native to fresh and brackish waters along the Atlantic and Baltic Sea coasts of Europe and northern Africa, with a range stretching from Norway to Morocco and Mauritania ...

, ''Pomatoschistus microps'' *

Sand goby The sand goby (''Pomatoschistus minutus''), also known as a polewig or pollybait, is a species of ray-finned fish native to marine and brackish waters European waters from the Baltic Sea through the Mediterranean Sea and into the Black Sea where ...

''Pomatoschistus minutus'' * Painted goby, ''Pomatoschistus pictus'' * Leopard-spotted goby, ''Thorogobius ephippiatus''

Series Scombrimorpharia

Order

Syngnathiformes The Syngnathiformes are an order of ray-finned fishes that includes the trumpetfishes and seahorses.FishBase (2005)Order Summary for Syngnathiformes Version of 2005-FEB-15. Retrieved 19 Aug 2008. These fishes have elongated, narrow, bodies surr ...

(pipefishes, seahorses, dragonettes and relatives)

Family

Callionymidae Dragonets are small, percomorph, marine fish of the diverse family Callionymidae (from the Greek ''kallis'', "beautiful" and ', "name") found mainly in the tropical waters of the western Indo-Pacific. They are benthic organisms, spending most ...

(dragonettes) * Common dragonet, ''Callionymus lyra'' *'' Callionymus maculatus'' * Reticulated dragonet, ''Callionymus reticulatus'' Family

Mullidae The goatfishes are perciform fish of the family Mullidae. The family is also sometimes referred to as the red mullets, which also refers more narrowly to the genus '' Mullus''. The family name and the English common name mullet derived from La ...

(goatfishes) *

Red mullet Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. It is a primary color in the RGB color model and a seconda ...

, ''Mullus barbatus barbatus'' * Striped red mullet, ''Mullus surmuletus'' Family

Syngnathidae The Syngnathidae is a family of fish which includes seahorses, pipefishes, and seadragons (''Phycodurus'' and '' Phyllopteryx''). The name is derived from grc, σύν (), meaning "together", and (), meaning "jaw". The fused jaw is one of the t ...

(seahorses and pipefishes) * Snake pipefish, ''Entelurus aequoreus'' * Long-snouted seahorse, ''Hippocampus guttulatus'' * Worm pipefish, ''Nerophis lumbriciformis'' * Straightnose pipefish, ''Nerophis ophidion'' *

Greater pipefish The greater pipefish (''Syngnathus acus'') is a pipefish of the family Syngnathidae. It is a seawater fish and the type species of the genus ''Syngnathus''. Etymology The genus name ''Syngnathus'' derives from the Greek, ''syn'', ''symphysis'' m ...

, ''Syngathus acus'' * Nilsson's pipefish, ''Syngnathus rostellatus'' * Broad-nosed pipefish, ''Syngnathus typhle''

Order

Scombriformes Scombriformes is an Order (biology), order of bony fish containing nine Family (Biology), families which were classified under the suborders Scombroidei and Stromateoidei, of the wider grouping known as Perciformes, ''Fishes of the World'', 5th e ...

(tuna, mackerel and relatives; ''sensu'' Betancur-Rodriguez et al. 2016)Betancur-Rodriguez, R.; Wiley, E.; Bailly, N.; Acero, A.; Miya, M.; Lecointre, G. & Ortí, G. (2016)
''Phylogenetic Classification of Bony Fishes - Version 4''
/ref>

Family

Bramidae Pomfrets are perciform fishes belonging to the family Bramidae. The family currently includes 20 species across seven genera. Several species are important food sources for humans, especially ''Brama brama'' in South Asia. The earlier form of t ...

(pomfrets) *

Atlantic pomfret The Atlantic pomfret (''Brama brama''), also known as Ray's bream, is a species of marine ray-finned fish, a pomfret of the family Bramidae. It is found in the Atlantic, Indian, and South Pacific Oceans, at depths down to . Its length is betw ...

, ''Brama brama'' * Bigscale pomfret, ''Taractichthys longipinnis'' Family Centrolophidae (medusafishes) * Barrelfish, ''Hyperoglyphe perciformis'' * Cornish blackfish, ''Schedophilus medusophagus'' Family

Gempylidae The Gempylidae are a family of perciform fishes commonly known as snake mackerels or escolars. The family includes about 25 species. They are elongated fishes with a similar appearance to barracudas, having a long dorsal fin, usually with one or ...

(snake mackerels) * Black gemfish, ''Nesiarchus nasutus'' *

Oilfish The oilfish (''Ruvettus pretiosus'') is a species of snake mackerel fish with a cosmopolitan distribution in tropical and temperate oceans. It can be found at depths of from , usually between . It can grow to a length of TL (nearly 10 feet) ...

, ''Ruvettus pretiosus'' Family Nomeidae (driftfishes) Family

Scombridae The mackerel, tuna, and bonito family, Scombridae, includes many of the most important and familiar food fishes. The family consists of 51 species in 15 genera and two subfamilies. All species are in the subfamily Scombrinae, except the butterf ...

(tuna, mackerel and bonitos) *

Bullet tuna The bullet tuna, ''Auxis rochei'', is a species of tuna, in the family Scombridae, found circumglobally in tropical oceans, including the Mediterranean Sea, in open surface waters to depths of 50 m (164 ft). The population of bullet t ...

, ''Auxis rochei rochei'' *

Frigate tuna The frigate tuna, frigate mackerel or alagaduwa (''Auxis thazard'') is a species of tuna, in the family Scombridae, found around the world in tropical oceans. The eastern Pacific population is now regarded as a separate species by some authoritie ...

, ''Auxis thazard thazard'' * Skipjack tuna, ''Katsuwonus pelamis'' *

Atlantic bonito The Atlantic bonito (''Sarda sarda'') is a large mackerel-like fish of the family Scombridae. It is common in shallow waters of the Atlantic Ocean, the Mediterranean Sea, and the Black Sea, where it is an important commercial and game fish. De ...

, ''Sarda sarda'' *

Atlantic mackerel The Atlantic mackerel (''Scomber scombrus''), also known as Boston mackerel, Norwegian mackerel, Scottish mackerel or just mackerel, is a species of mackerel found in the temperate waters of the Mediterranean Sea, the Black Sea, and the northern ...

, ''Scomber scombrus'' *

Albacore The albacore (''Thunnus alalunga''), known also as the longfin tuna, is a species of tuna of the order Perciformes. It is found in temperate and tropical waters across the globe in the epipelagic and mesopelagic zones. There are six distinct sto ...

, ''Thunnus alalunga'' *

Atlantic bluefin tuna The Atlantic bluefin tuna (''Thunnus thynnus'') is a species of tuna in the family Scombridae. It is variously known as the northern bluefin tuna (mainly when including Pacific bluefin as a subspecies), giant bluefin tuna or individuals excee ...

, ''Thunnus thynnus'' Family Trichiuridae (cutlassfishes and scabbardfishes) *

Black scabbardfish The black scabbardfish (''Aphanopus carbo'') is a bathypelagic cutlassfish of the family Trichiuridae found in the Atlantic Ocean between latitudes 69°N and 27°N at depths between . Its length is up to , but it reaches maturity around . D ...

, ''Aphanopus carbo'' *

Silver scabbardfish The silver scabbardfish (''Lepidopus caudatus''), also known as the frostfish or beltfish is a benthopelagic cutlassfish of the family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recogniz ...

, ''Lepidopus caudatus'' *

Largehead hairtail The largehead hairtail (''Trichiurus lepturus'') or beltfish is a member of the cutlassfish family, Trichiuridae. This common to abundant species is found in tropical and temperate oceans throughout the world. The taxonomy is not fully resolved, ...

, ''Trichiurus lepturus''

Series Carangimorpharia

Order

Istiophoriformes Istiophoriformes are an order of bony fish which is not fully recognized by some taxonomists, with some including the two extant families Xiphiidae and Istiophoridae, and others including the family Sphyraenidae. Families The following famil ...

(billfishes)

Family

Xiphiidae Swordfish (''Xiphias gladius''), also known as broadbills in some countries, are large, highly migratory predatory fish characterized by a long, flat, pointed bill. They are a popular sport fish of the billfish category, though elusive. Swordf ...

(swordfish) *

Swordfish Swordfish (''Xiphias gladius''), also known as broadbills in some countries, are large, highly migratory predatory fish characterized by a long, flat, pointed bill. They are a popular sport fish of the billfish category, though elusive. Swordfis ...

, ''Xiphias gladius''

Order

Carangiformes Carangiformes is an order of the ray-finned fishes. The order is part of a clade which is a sister clade to the Ovalentaria, the other orders in the clade being Synbranchiformes, Anabantiformes, Istiophoriformes and Pleuronectiformes. The Carang ...

(jacks and relatives)

Family

Carangidae The Carangidae are a family of ray-finned fish which includes the jacks, pompanos, jack mackerels, runners, and scads. It is the largest of the six families included within the order Carangiformes. Some authorities classify it as the only family ...

(jacks and relatives) * Vadigo, ''Campogramma glaycos'' * Derbio, ''Trachinotus ovatus'' *

Atlantic horse mackerel The Atlantic horse mackerel (''Trachurus trachurus''), also known as the European horse mackerel or common scad, is a species of jack mackerel in the family Carangidae, the jacks, pompanos and trevallies. It is found in the eastern Atlantic Ocea ...

, ''Trachurus trachurus''

Order

Pleuronectiformes A flatfish is a member of the ray-finned demersal fish order Pleuronectiformes, also called the Heterosomata, sometimes classified as a suborder of Perciformes. In many species, both eyes lie on one side of the head, one or the other migratin ...

(flatfishes)

Family

Pleuronectidae Pleuronectidae, also known as righteye flounders, are a family of flounders. They are called "righteye flounders" because most species lie on the sea bottom on their left sides, with both eyes on their right sides. The Paralichthyidae are the op ...

(righteye flounders) *

American plaice The American plaice, American sole or long rough dab (''Hippoglossoides platessoides'') is a North Atlantic flatfish that belongs, along with other right-eyed flounders, to the family Pleuronectidae. In the northwest Atlantic (''H. p. platessoide ...

, ''Hippoglossoides platessoides'' * Atlantic halibut, ''Hippoglossus hippoglossus'' * Torbay sole, ''Glyptocephalus cynoglossus'' * Dab, ''Limanda limanda'' * Lemon sole, ''Microstomus kitt'' *

European flounder The European flounder (''Platichthys flesus'') is a flatfish of European coastal waters from the White Sea in the north to the Mediterranean and the Black Sea in the south. It has been introduced into the United States and Canada accidentally th ...

, ''Platichthys flesus'' *

European plaice The European plaice (''Pleuronectes platessa''), commonly referred to as simply plaice, is a species of marine flatfish in the genus Pleuronectes of the family Pleuronectidae. Description The European plaice is characterized, on their dorsal ...

, ''Pleuronectes platessa'' *

Greenland halibut The Greenland halibut or Greenland turbot (''Reinhardtius hippoglossoides'') belongs to the family Pleuronectidae (the right-eye flounders), and is the only species of the genus ''Reinhardtius''. It is a predatory fish that mostly ranges at dept ...

, ''Reinhardtius hippoglossoides'' Family

Scophthalmidae The Scophthalmidae are a family of flatfish found in the North Atlantic Ocean, Baltic Sea, Mediterranean Sea, and Black Sea.Chanet, B. (2003)Interrelationships of scophthalmid fishes (Pleuronectiformes: Scopththalmidae).''Cybium'' 27(4) 275-86. ...

(turbots) * Fourspotted megrim, ''Lepidorhombus boscii'' *

Megrim The megrim, megrim sole, whiff, or Cornish sole (''Lepidorhombus whiffiagonis'') is a species of left-eyed flatfish in the family Scophthalmidae. It is found in the northeast Atlantic and Mediterranean Sea between below sea level. It is caught ...

, ''Lepidorhombus whiffiagonis'' *

Norwegian topknot ''Phrynorhombus norvegicus'', the Norwegian topknot, is a species of turbot native to the northeastern Atlantic Ocean. This species grows to a length of SL. This species is the only known member of its genus Genus ( plural genera ) is a ...

, ''Phrynorhombus norvegicus'' *

Turbot The turbot (''Scophthalmus maximus'') is a relatively large species of flatfish in the family Scophthalmidae. It is a demersal fish native to marine or brackish waters of the Northeast Atlantic, Baltic Sea and the Mediterranean Sea. It is an ...

, ''Scophthalmus maximus'' *

Brill Brill may refer to: Places * Brielle (sometimes "Den Briel"), a town in the western Netherlands * Brill, Buckinghamshire, a village in England * Brill, Cornwall, a small village to the west of Constantine, Cornwall, UK * Brill, Wisconsin, an un ...

, ''Scophthalmus rhombus'' * Topknot, ''Zeugopterus punctatus'' * Eckström's topknot, ''Zeugopterus regius'' Family

Soleidae The true soles are a family, Soleidae, of flatfishes. It includes saltwater and brackish water species in the East Atlantic, Indian Ocean, and West and Central Pacific Ocean. Freshwater species are found in Africa, southern Asia, New Guinea, and ...

(true soles) * Solenette, ''Buglossidium luteum'' * Thickback sole, ''Microchirus variegatus'' *

Common sole The common sole, Dover sole, or black sole (''Solea solea'') is a species of flatfish in the family Soleidae. It is one of the largest fish in the ''Solea'' genus. It lives on the sandy or muddy seabed of the northern Atlantic and the Mediterr ...

, ''Solea solea''

Order

Beloniformes Beloniformes is an order composed of six families (and about 264 species) of freshwater and marine ray-finned fish: * Adrianichthyidae (ricefish and medakas) * Belonidae (needlefish) * Exocoetidae (flyingfishes) * Hemiramphidae (halfbeaks) ...

Family

Belonidae Needlefish (family Belonidae) or long toms are piscivorous fishes primarily associated with very shallow marine habitats or the surface of the open sea. Some genera include species found in marine, brackish, and freshwater environments (e.g., ...

(needlefishes) *

Garfish The garfish (''Belone belone''), also known as the garpike or sea needle, is a pelagic, oceanodromous needlefish found in brackish and marine waters of the Atlantic Ocean and the Mediterranean, Caribbean, Black, and Baltic Seas. Description The ...

, ''Belone belone'' * Short-beaked garfish, ''Belone svetovidovi'' Family

Scomberesocidae Sauries are fish of the family Scomberesocidae. There are two genera, each containing two species. The name Scomberesocidae is derived from the ''scomber'', which in turn is derived from the Greek ''skombros'', meaning "mackerel", and the Latin ...

(sauries) *

Atlantic saury The Atlantic saury (''Scomberesox saurus'') is a fish of the family Scomberesocidae found in the North Atlantic Ocean from the Gulf of Saint Lawrence, Canada south to Bermuda and North Carolina in the western Atlantic and from Iceland to Morocco ...

, ''Scomberesox saurus saurus''

Order

Atheriniformes The Atheriniformes, also known as the silversides, are an order (biology), order of ray-finned fishes that includes the Atherinidae, Old World silversides and several less-familiar families, including the unusual Phallostethidae. The order inclu ...

(silversides)

Family

Atherinidae The Old World silversides are a family, Atherinidae, of fish in the order Atheriniformes. Atherinidae are abundant and considered bony fish (teleost) that are widespread globally, living in rivers, estuaries, and coastal waters. They occur worl ...

(silversides) *

Sand smelt The sand smelt (''Atherina presbyter'') is a species of marine fish of the family Atherinidae, common in the northeastern Atlantic from the Danish straits, where it is rare, and Scotland to the Canary Islands and the western Mediterranean Sea. Sa ...

, ''Atherina presbyter''

Order

Mugiliformes The mullets or grey mullets are a family (Mugilidae) of ray-finned fish found worldwide in coastal temperate and tropical waters, and some species in fresh water. Mullets have served as an important source of food in Mediterranean Europe since R ...

(mullets)

Family

Mugilidae The mullets or grey mullets are a family (Mugilidae) of ray-finned fish found worldwide in coastal temperate and tropical waters, and some species in fresh water. Mullets have served as an important source of food in Mediterranean Europe since R ...

(mullets) *

Thicklip grey mullet The thicklip grey mullet, ''Chelon labrosus'', is a coastal fish of the family Mugilidae. It typically is about long, with being the maximum recorded. It is named after its thick upper lip and silvery-grey appearance. It is a common fish of sh ...

, ''Chelon labrosus'' *

Golden grey mullet The golden grey mullet (''Chelon aurata'') is a fish in the family Mugilidae. Description It has hydrodynamic, very elegant elongated, more or less cylindrical body, with strong tail-fin. It has dark gray back that transit into silver white towa ...

, ''Chelon aurata'' * Thin-lipped grey mullet, ''Chelon ramada''

Order Gobiesociformes (clingfishes)

Family

Gobiesocidae Clingfishes are fishes of the family Gobiesocidae, the only family in the order Gobiesociformes. These fairly small to very small fishes are widespread in tropical and temperate regions, mostly near the coast, but a few species in deeper seas or ...

(clingfishes) * Two-spotted clingfish, ''Diplecogaster bimaculata'' * Connemarra clingfish, ''Lepadogaster candolii''

Order

Blenniiformes Blenny (from the Greek and , mucus, slime) is a common name for many types of fish, including several families of percomorph marine, brackish, and some freshwater fish sharing similar morphology and behaviour. Six families are considered "tru ...

(blennies and relatives)

Family Blenniidae (combtooth blennies) * Montagu's blenny, ''Coryphoblennius galerita'' * Shanny, ''Lipophrys pholis'' * Tompot blenny, ''Parablennius gattorugine''

Order Uranoscopiformes (weevers, stargazers and relatives; ''sensu'' Betancur-Rodriguez et al. 2016)

Family Ammodytidae (sandlances) * Raitt's sand eel, ''Ammodytes marinus'' * Lesser sand eel, ''Ammodytes tobianus'' * Smooth sandeel, ''Gymnammodytes semisquamatus'' * Great sand eel, ''Hyperoplus immaculatus'' * Great sandeel, ''Hyperoplus lanceolatus'' Family Trachinidae (weeverfishes) *

Lesser weever The lesser weever (''Echiichthys vipera'') is a venomous weever of the family Trachinidae, in the order Perciformes, and the class Actinopterygii. It is generally found on the sandy sea beds of the open sea, near the shore. Lesser weevers may st ...

, ''Echiichthys vipera'' *

Greater weever The greater weever (''Trachinus draco'', Linnaeus 1758) is a benthic and demersal venomous marine fish of the family Trachinidae. The greater weever is widely distributed along the eastern Atlantic coastline from Norway to Morocco, extending to ...

, ''Trachinus draco'' Family Uranoscopidae (stargazers) * Atlantic stargazer, ''Uranoscopus scaber''

Order

Labriformes Labriformes is an order of ray-finned fishes which includes the wrasse, cales and parrotfishes, within the clade Percomorpha. Some authors include the Labroformes as the clade Labroidei within the Perciformes while others include more familie ...

(wrasses ''sensu'' Betancur-Rodriguez et al. 2016)

Family Labridae (wrasses) * Rock cook, ''Centrolabrus exoletus'' *

Goldsinny wrasse The goldsinny wrasse (''Ctenolabrus rupestris'') is a species of ray-finned fish, a wrasse from the family Labridae which is native to the eastern Atlantic Ocean and associated seas. This species is the only known member of its genus. Descripti ...

, ''Ctenolabrus rupestris'' *

Ballan wrasse The ballan wrasse (''Labrus bergylta'') is a species of marine ray finned fish from the family Labridae, the wrasses. It is found in the eastern Atlantic Ocean, where it inhabits rocky areas. Like many wrasse species, it is a protogynous hermaphr ...

, ''Labrus bergylta'' * Cuckoo wrasse, ''Labrus mixtus'' * Baillon's wrasse, ''Symphodus bailloni'' *

Corkwing wrasse The corkwing wrasse (''Symphodus melops'') is a species of wrasse native to the eastern Atlantic Ocean from Norway to Morocco and out to the Azores, as well as being found in the Mediterranean Sea and the Adriatic Sea. This species can be found ...

, ''Symphodus melops''

Order Pempheriformes (''sensu'' Betancur-Rodriguez et al. 2016)

Family Epigonidae (deepwater cardinalfishes) * Bulls-eye, ''Epigonus telescopus'' Family

Polyprionidae The wreckfish are a family, Polyprionidae in the suborder Percoidei of the order Perciformes. They are deep-water marine fish and can be found on the ocean bottom, where they inhabit caves and shipwrecks (thus their common name). Their scienti ...

(wreckfishes) * Atlantic wreckfish, ''Polyprion americanus''

Order

Perciformes Perciformes (), also called the Percomorpha or Acanthopteri, is an order or superorder of ray-finned fish. If considered a single order, they are the most numerous order of vertebrates, containing about 41% of all bony fish. Perciformes means ...

(''sensu'' Betancur-Rodriguez et al. 2016)

Suborder

Percoidei Percoidei is one of 3 suborders of bony fishes in the order Perciformes. Many commercially harvested fish species are considered to be contained in this suborder, including the snappers, groupers, basses, goatfishes and perches. Divisions The ...

(''sensu'' Betancur-Rodriguez et al. 2016)

Family

Percidae The Percidae are a family of ray-finned fish, part of the order Perciformes, which are found in fresh and brackish waters of the Northern Hemisphere. The majority are Nearctic, but there are also Palearctic species. The family contains more than ...

(perches) *

European perch The European perch (''Perca fluviatilis''), also known as the common perch, redfin perch, big-scaled redfin, English perch, Euro perch, Eurasian perch, Eurasian river perch, Hatch, poor man’s rockfish or in Anglophone parts of Europe, simply th ...

, ''Perca fluviatilis''

Suborder Triglioidei (searobins and gurnards)

Family

Triglidae Triglidae, commonly known as gurnards or sea robins, are a family of bottom-feeding scorpaeniform ray-finned fish. The gurnards are distributed in temperate and tropical seas worldwide. Taxonomy Triglidae was first described as a family in 181 ...

(searobins and gurnards) * Tub gurnard, ''Chelidonichthys lucerna'' * Longfin gurnard, ''Chelidonichthys obscurus'' * Grey gurnard, ''Eutrigla gurnardus''

Suborder

Scorpaenoidei Scorpaenoidei is a suborder of ray-finned fishes, part of the order Scorpaeniformes, that includes the scorpionfishes, lionfishes and velvetfishes. This suborder is at its most diverse in the Pacific and Indian Oceans but is also found in the A ...

(scorpionfish, rockfishes and relatives)

Family

Sebastidae Sebastinae is a subfamily of marine fish belonging to the family Scorpaenidae in the order Scorpaeniformes. Their common names include rockfishes, rock perches, ocean perches, sea perches, thornyheads, scorpionfishes, sea ruffes and rockcods. De ...

(rockfishes) *

Blackbelly rosefish ''Helicolenus dactylopterus'', blackbelly rosefish, bluemouth rockfish, and bluemouth seaperch, is a species of marine ray-finned fish belonging to the subfamily Sebastinae which is classified within the family Scorpaenidae. This Atlantic specie ...

, ''Helicolenus dactylopterus dactylopterus'' * Norway redfish, ''Sebastes viviparus'' * Spiny scorpionfish, ''Trachyscorpia cristulata echinata''

Suborder

Cottoidei Cottoidei is a suborder of ray-finned fishes which, according to the 5th edition of ''Fishes of the World'', is placed within the order Scorpaeniformes, alongside the scorpionfishes, flatheads, eelpouts,sticklebacks and related fishes. Taxonom ...

(sculpins, eelpouts, sticklebacks and relatives)

Infraorder Zoarcales (eelpouts, wolffishes and relatives)

Family

Anarhichadidae Anarhichadidae, the wolffishes, sea wolves or wolf eels, is a family of marine ray finned fishes belonging to the order Scorpaeniformes. These are predatory, eel shaped fishes which are native to the cold waters of the Arctic, North Pacific and ...

(wolffishes) *

Atlantic wolffish The Atlantic wolffish (''Anarhichas lupus''), also known as the seawolf, Atlantic catfish, ocean catfish, devil fish, wolf eel (the common name for its Pacific relative), woof or sea cat, is a marine fish of the wolffish family Anarhichadidae, n ...

, ''Anarhichas lupus'' Family

Pholidae ''Pholidae'' is a family of marine ray-finned fishes, known as gunnels, in the scorpaeniform suborder Zoarcoidei. These are fishes of the littoral zone and are mainly found in North Pacific Ocean, with two species found in the North Atlantic Ocea ...

(gunnels) * Rock gunnel, ''Pholis gunnellus'' Family Stichaeidae (pricklebacks) * Yarrell's blenny, ''Chirolophis ascanii'' Family

Zoarcidae The eelpouts are the ray-finned fish family (biology), family Zoarcidae. As the common name suggests, they are somewhat eel-like in appearance. All of the roughly 300 species are ocean, marine and mostly bottom-dwelling, some at great depths. Eel ...

(eelpouts) * White eelpout, ''Lycenchelys alba'' * Atlantic eelpout, ''Lycodes terraenovae'' * Snubnose eelpout, ''Pachycara bulbiceps'' *''

Pachycara crassiceps ''Pachycara crassiceps'' is a species of marine ray-finned fish belonging to the Family (biology), family Zoarcidae, the eelpouts. It is found in the Eastern Atlantic Ocean. Taxonomy ''Pachycara crassiceps'' was first formally Species descriptio ...

'' * Viviparous blenny, ''Zoarces viviparus''

Infraorder Gasterosteales (sticklebacks, etc.)

Family Gasterosteidae (sticklebacks) *

Three-spined stickleback The three-spined stickleback (''Gasterosteus aculeatus'') is a fish native to most inland and coastal waters north of 30°N. It has long been a subject of scientific study for many reasons. It shows great morphological variation throughout its ra ...

, ''Gasterosteus aculeatus aculeatus'' *

Nine-spined stickleback The ninespine stickleback (''Pungitius pungitius''), also called the ten-spined stickleback, is a freshwater species of fish in the family Gasterosteidae that inhabits temperate waters. It is widely but locally distributed throughout Eurasia an ...

, ''Pungitius pungitius'' * Sea stickleback, ''Spinachia spinachia''

Infraorder Cottales (sculpins, snailfishes, lumpfishes and relatives)

Family

Cottidae The Cottidae are a family of fish in the superfamily Cottoidea, the sculpins. It is the largest sculpin family, with about 275 species in 70 genera.Kane, E. A. and T. E. Higham. (2012)Life in the flow lane: differences in pectoral fin morphology ...

(sculpins) *

European bullhead The European bullhead (''Cottus gobio'') is a freshwater fish that is widely distributed in Europe, mainly in rivers. It is a member of the family Cottidae, a type of sculpin. It is also known as the miller's thumb, freshwater sculpin, common bu ...

, ''Cottus gobio'' * Norway bullhead, ''Micrenophrys lilljeborgii'' *

Shorthorn sculpin ''Myoxocephalus scorpius'', typically known as the shorthorn sculpin or bull-rout, is a species of fish in the family Cottidae. It is a demersal species of the Northern Atlantic and adjacent subarctic and Arctic seas.

, ''Myoxocephalus scorpius'' * Longspined sea-scorpion, ''Taurulus bubalis'' Family

Cyclopteridae The Cyclopteridae are a family of marine fishes, commonly known as lumpsuckers or lumpfish, in the order Scorpaeniformes. They are found in the cold waters of the Arctic Ocean, Arctic, Atlantic Ocean, North Atlantic, and Pacific Ocean, North Paci ...

(lumpsuckers) *

Lumpsucker The Cyclopteridae are a family of marine fishes, commonly known as lumpsuckers or lumpfish, in the order Scorpaeniformes. They are found in the cold waters of the Arctic, North Atlantic, and North Pacific oceans. The greatest number of species ar ...

, ''Cyclopterus lumpus'' Family

Liparidae The Liparidae, commonly known as snailfish or sea snails, are a family of marine scorpaeniform fishes. Widely distributed from the Arctic to Antarctic Oceans, including the oceans in between, the snailfish family contains more than 30 genera ...

(snailfishes) * '' Careproctus aciculipunctatus'' * Merret's snailfish, ''Careproctus merretti'' * Common seasnail, ''Liparis liparis liparis'' * Montagu's sea snail, ''Liparis montagui'' *'' Paraliparis abyssorum'' * Black seasnail, ''Paraliparis bathybius'' *'' Paraliparis bipolaris'' *'' Paraliparis hystrix'' Family

Psychrolutidae The fish family Psychrolutidae (commonly known as blobfishes, toadfishes, flathead sculpins, tadpole sculpins,) contains over 35 recognized species in 8 genera. This family consists of bottom-dwelling marine sculpins shaped like tadpoles, with l ...

(fatheads and blobfishes) * Pallid sculpin, ''Cottunculus thomsonii''

Order Moroniformes (temperate basses ''sensu'' Betancur-Rodriguez et al. 2016)

Family

Moronidae The Moronidae are a family of perciform fishes, commonly called the temperate basses, consisting of at least six freshwater, brackish water, and marine species. Many members of this family are anadromous. Description These fishes reach 45 cm to ...

(temperate basses) *

European seabass The European bass (''Dicentrarchus labrax'') is a primarily ocean-going fish native to the waters off Europe's western and southern and Africa's northern coasts, though it can also be found in shallow coastal waters and river mouths during the su ...

, ''Dicentrarchus labrax''

Order Spariformes (seabreams and relatives ''sensu'' Betancur-Rodriguez et al. 2016)

Family

Sparidae The Sparidae are a family of fish in the order Perciformes, commonly called sea breams and porgies. The sheepshead, scup, and red seabream are species in this family. Most sparids are deep-bodied compressed fish with a small mouth separated by a ...

(seabreams and progies) * Bogue, ''Boops boops'' *

Common dentex The common dentex (''Dentex dentex'') is a species of fish in the family Sparidae. Etymology Genus and species Latin name ''Dentex'' is related to ''dentēs'' which means "teeth". Description Adult dentex can reach a length of , and weight ...

, ''Dentex dentex'' * Blackspot seabream, ''Pagellus bogaraveo'' *

Common pandora The common pandora (''Pagellus erythrinus'') is a fish of the sea bream family, Sparidae. It is a popular food fish in Mediterranean countries, with delicate white flesh. It has a slim, oval fusiform body, with a smallish mouth and scales cov ...

, ''Pagellus erythrinus'' *

Gilt-head bream The gilt-head (sea) bream (''Sparus aurata''), known as Orata in antiquity and still today in Italy and Tunisia (known as "Dorada" in Spain, "Dourada" in Portugal and "Dorade Royale" in France), is a fish of the bream family Sparidae found in th ...

, ''Sparus aurata'' *

Black seabream The black seabream (''Spondyliosoma cantharus'') is a species of Sparidae fishes. They are recognisable by their oval compressed body and jaws containing 4-6 rows of slender teeth which are larger at the front. They are silvery in colour with bl ...

, ''Spondyliosoma cantharus''

Order Priacanthiformes (bigeyes and bandfishes ''sensu'' Betancur-Rodriguez et al. 2016)

Family Cepolidae (bandfishes) * Red bandfish, ''Cepola macrophthalma''

Order Caproiformes (boarfishes ''sensu'' Betancur-Rodriguez et al. 2016)

Family

Caproidae Caproidae, or boarfishes, are a small family of marine fishes comprising two genera and 12 species. They were formerly placed in the order Zeiformes with the dories, but are now placed with the Perciformes since they have many perciform charac ...

(boarfishes) * Boarfish, ''Capros aper''

Order

Lophiiformes The anglerfish are fish of the teleost order Lophiiformes (). They are bony fish named for their characteristic mode of predation, in which a modified luminescent fin ray (the esca or illicium) acts as a lure for other fish. The luminescence c ...

(anglerfishes)

Suborder Lophoidei (monkfishes)

Family Lophiidae (monkfishes) * Black-bellied angler, ''Lophius budegassa'' *

Monkfish Members of the genus ''Lophius'', also sometimes called monkfish, fishing-frogs, frog-fish, and sea-devils, are various species of lophiid anglerfishes found in the Atlantic and Indian Oceans. ''Lophius'' is known as the "monk" or "monkfish" ...

, ''Lophius piscatorius''

Suborder Ceratioidei

Family

Oneirodidae The dreamers are a family, Oneirodidae, of deep-sea anglerfishes in the order Lophiiformes. They are the largest and most diverse group of deep-sea anglerfish, and also the least well known with 16 genera represented by only one, two, or three ...

(dreamers) * Can-opener smoothdream, ''Chaenophryne longiceps'' *'' Oneirodes carlsbergi'' * Bulbous dreamer, ''Oneirodes eschrichtii''

Order

Tetraodontiformes The Tetraodontiformes are an order of highly derived ray-finned fish, also called the Plectognathi. Sometimes these are classified as a suborder of the order Perciformes. The Tetraodontiformes are represented by 10 extant families and at least ...

(pufferfishes, triggerfishes, molas)

Family

Molidae The Molidae comprise the family of the molas or ocean sunfishes, unusual fish whose bodies come to an end just behind the dorsal and anal fins, giving them a "half-fish" appearance. They are also the largest of the ray-finned bony fish, with th ...

(molas) *

Ocean sunfish The ocean sunfish or common mola (''Mola mola'') is one of the largest bony fish in the world. It was misidentified as the heaviest bony fish, which was actually a different species, ''Mola alexandrini''. Adults typically weigh between . The spe ...

, ''Mola mola'' *

Slender sunfish The slender sunfish (''Ranzania laevis'') is a mola of the family Molidae, the only extant member of the genus ''Ranzania'',Matsuura, K. (2014): Taxonomy and systematics of tetraodontiform fishes: a review focusing primarily on progress in the ...

, ''Ranzania laevis'' Family

Tetraodontidae Tetraodontidae is a family of primarily marine and estuarine fish of the order Tetraodontiformes. The family includes many familiar species variously called pufferfish, puffers, balloonfish, blowfish, blowies, bubblefish, globefish, swellfis ...

(pufferfishes) *

Blunthead puffer The blunthead puffer, ''Sphoeroides pachygaster'', is a pufferfish of the family (biology), family ''Tetraodontidae'', found circumglobally in tropical and temperate seas, at depths between 50 and 500 m. First recorded in the Mediterranean Sea off ...

, ''Sphoeroides pachygaster''

Freshwater fish

It has been argued that only nine species of freshwater fish are truly native to Ireland — five char species, pollan,

eel Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...

brown trout The brown trout (''Salmo trutta'') is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes purely freshwater populations, referred to as the riverine ecotype, ''Salmo trutta'' morph ...

and

— as Ireland's fresh water was entirely frozen during the last glacial period, only

diadromous fish Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousan ...

could repopulate Irish waters after the Ice Age. All other freshwater species were introduced, mostly from the Middle Ages onwards."Freshwater Fish Species"
Inland Fisheries Ireland. *

, ''Lampetra fluviatilis'' *

, ''Lampetra planeri'' *

, ''Petromyzon marinus'' *

, ''Anguilla anguilla'' *

, ''Alosa alosa'' *

, ''Alosa falax fallax'' *

, ''Leuciscus leuciscus'' *

, ''Phoxinus phoxinus'' *

, ''Gobio gobio'' * Common roach, ''Rutilus rutilus'' *

, ''Scardinius erythrophthalmus'' *

, ''Squalius cephalus'' *

, ''Abramis brama'' *

, '' Nemacheilus barbatulus'' *

, ''Tinca tinca'' *

Northern pike The northern pike (''Esox lucius'') is a species of carnivorous fish of the genus '' Esox'' (the pikes). They are typical of brackish and fresh waters of the Northern Hemisphere (''i.e.'' holarctic in distribution). They are known simply as a ...

, ''Esox lucius'' *

, ''Osmerus eperlanus'' *

, ''Salmo salar'' *

, ''Salmo trutta'' * Irish pollan, ''Coregonus autumnalis'' *

, ''Gasterosteus aculeatus aculeatus'' *

, ''Pungitius pungitius'' *

, ''Cottus gobio'' * Norway bullhead, ''Taurulus lilljeborgi''

References

FishBase FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web.

Froese, R. and D. Pauly. Editors. 2018. ''FishBase''. World Wide Web electronic publication. www.fishbase.org, (June 2018)
Irish Natural History Literature Online
*Went, A. E. J. (1957). ''List of Irish Fishes''. Department of Lands, Fisheries Division, Dublin. 31 p. *Went, A. E. J. (1973). ''Supplement to List of Irish Fishes'', Irish Fisheries Leaflet, Department of Agriculture and Fisheries (Fisheries Division) *Went, A. E. J. & Kennedy, M. (1976). ''List of Irish Fishes'' Stationery Office, Dublin *Whitehead, P. J. P.; Bauchot, M.-L.; Hureau, J.-C.; Nielsen, J. & Tortonese, E. (eds.) (1986). ''Fishes of the North-eastern Atlantic and the Mediterranean''. UNESCO, Paris. Vols. I-III:1473 p. *Whitehead, P. J. P. (1985). FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). ''An Annotated and Illustrated Catalogue of the Herrings, Sardines, Pilchards, Sprats, Shads, Anchovies and Wolf-Herrings''. FAO Fish. Synop. 125(7/1): 1-303. Rome: FAO. *Quigley, D. T. G. series of papers in '' Irish Naturalists' Journal'' and records of rare marine fish species taken in Irish waters by fishing vessels and sea anglers from 1786 to 2008. National Biodiversity Data Centr
data set online
*Wheeler, A. (1992). A list of the common and scientific names of fishes of the British Isles. ''Journal of Fish Biology''. 41 (Suppl. A). *Wheeler, A. C.; Merrett, N. R. & Quigley, T. G. (2004). Additional records and notes for Wheeler's (1992) List of the Common and Scientific Names of Fishes of the British Isles ''Journal of Fish Biology''. December 2004

External links

pdf
Peter S. Maitland. Ireland's most threatened and rare freshwater fish: an international perspective on fish conservation
"Aquatic Invasions European Chub"

{{Animals of Ireland Lists of fishes of Europe, Ireland

Fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

Class Myxini (hagfish)

Order Myxiniformes

Family Myxinidae

Hyperoartia Hyperoartia or Petromyzontida is a disputed group of vertebrates that includes the modern lampreys and their fossil relatives. Examples of hyperoartians from early in their fossil record are '' Endeiolepis'' and '' Euphanerops'' (which possessed ...

Order Petromyzontiformes Lampreys (sometimes inaccurately called lamprey eels) are an ancient extant lineage of jawless fish of the order Petromyzontiformes , placed in the superclass Cyclostomata. The adult lamprey may be characterized by a toothed, funnel-like su ... (lampreys)

Family Petromyzontidae The northern lampreys (Petromyzontidae) are a family of lampreys. Northern lampreys have the highest number of chromosomes (164–174) among vertebrates. Genera * '' Caspiomyzon'' * '' Entosphenus'' * ''Eudontomyzon'' * ''Ichthyomyzon'' * ''La ...

Infraphylum Gnathostomata Gnathostomata (; from Greek: (') "jaw" + (') "mouth") are the jawed vertebrates. Gnathostome diversity comprises roughly 60,000 species, which accounts for 99% of all living vertebrates, including humans. In addition to opposing jaws, living ... (jawed vertebrates)

Class Chondrichthyes Chondrichthyes (; ) is a class that contains the cartilaginous fishes that have skeletons primarily composed of cartilage. They can be contrasted with the Osteichthyes or ''bony fishes'', which have skeletons primarily composed of bone tissue. ... (cartilaginous fish)

Subclass Elasmobranchii Elasmobranchii () is a subclass of Chondrichthyes or cartilaginous fish, including sharks (superorder Selachii), rays, skates, and sawfish (superorder Batoidea). Members of this subclass are characterised by having five to seven pairs of ...

=Superorder Selachimorpha (sharks and dogfish)

=Superorder Batoidea Batoidea is a superorder of cartilaginous fishes, commonly known as rays. They and their close relatives, the sharks, comprise the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes, with well over 600 species in 26 fa ... (rays, skates and sawfishes)

Subclass Holocephali Holocephali ("complete heads"), sometimes given the term Euchondrocephali, is a subclass of cartilaginous fish in the class Chondrichthyes. The earliest fossils are of teeth and come from the Devonian period. Little is known about these primiti ...

=Order Chimaeriformes (chimaeras)

Subclass Chondrostei Chondrostei is a group of non-neopterygian ray-finned fish, while the term originally referred to a paraphyletic group of all non-neopterygian ray-finned fish, it was redefined by Patterson in 1982 to be a clade comprising the Acipenseriformes (w ...

=Order Acipenseriformes Acipenseriformes is an order of basal ray-finned fishes that includes living and fossil sturgeons and paddlefishes (Acipenseroidei), as well as the extinct families Chondrosteidae and Peipiaosteidae. They are the second earliest div ... (sturgeons)

Subclass Neopterygii Neopterygii (from Greek νέος ''neos'' 'new' and πτέρυξ ''pteryx'' 'fin') is a subclass of ray-finned fish (Actinopterygii). Neopterygii includes the Holostei and the Teleostei, of which the latter comprise the vast majority of extant f ...

Infraclass Holostei Holostei is a group of ray-finned bony fish. It is divided into two major clades, the Halecomorphi, represented by a single living species, the bowfin (''Amia calva''), as well as the Ginglymodi, the sole living representatives being the gars (Le ...

=Superorder Clupeomorpha

=Superorder Elopomorpha The superorder Elopomorpha contains a variety of types of fishes that range from typical silvery-colored species, such as the tarpons and ladyfishes of the Elopiformes and the bonefishes of the Albuliformes, to the long and slender, smooth-bodi ...

=Superorder Ostariophysi Ostariophysi is the second-largest superorder of fish. Members of this superorder are called ostariophysians. This diverse group contains 10,758 species, about 28% of known fish species in the world and 68% of freshwater species, and are present ...

= Superorder Protacanthopterygii Protacanthopterygii is a ray-finned fish taxon ranked as a superorder of the infraclass Teleostei. They inhabit both marine and freshwater habitats. They appear to have evolved in the Cretaceous or perhaps late Jurassic, originating probably roug ...

= Superorder Stenopterygii

=Superorder Cyclosquamata

=Superorder Scopelomorpha

=Acanthomorpha Acanthomorpha (meaning "thorn-shaped") is an extraordinarily diverse taxon of teleost fishes with spiny rays. The clade contains about one third of the world's modern species of vertebrates: over 14,000 species. A key anatomical innovation in ...

=Superorder Acanthopterygii Acanthopterygii (meaning "spiny finned one") is a superorder of bony fishes in the class Actinopterygii. Members of this superorder are sometimes called ray-finned fishes for the characteristic sharp, bony rays in their fins; however this name i ...

=Clade Percomorpha Percomorpha () is a large clade of ray-finned fish that includes the tuna, seahorses, gobies, cichlids, flatfish, wrasse, perches, anglerfish, and pufferfish. Evolution Percomorpha are the most diverse group of teleost fish today. Teleosts, an ...

Freshwater fish

References

External links

Order
Petromyzontiformes Lampreys (sometimes inaccurately called lamprey eels) are an ancient extant lineage of jawless fish of the order Petromyzontiformes , placed in the superclass Cyclostomata. The adult lamprey may be characterized by a toothed, funnel-like su ...
(lampreys)

Family
Petromyzontidae The northern lampreys (Petromyzontidae) are a family of lampreys. Northern lampreys have the highest number of chromosomes (164–174) among vertebrates. Genera * '' Caspiomyzon'' * '' Entosphenus'' * ''Eudontomyzon'' * ''Ichthyomyzon'' * ''La ...

Infraphylum
Gnathostomata Gnathostomata (; from Greek: (') "jaw" + (') "mouth") are the jawed vertebrates. Gnathostome diversity comprises roughly 60,000 species, which accounts for 99% of all living vertebrates, including humans. In addition to opposing jaws, living ...
(jawed vertebrates)

Class
Chondrichthyes Chondrichthyes (; ) is a class that contains the cartilaginous fishes that have skeletons primarily composed of cartilage. They can be contrasted with the Osteichthyes or ''bony fishes'', which have skeletons primarily composed of bone tissue. ...
(cartilaginous fish)

Subclass
Elasmobranchii Elasmobranchii () is a subclass of Chondrichthyes or cartilaginous fish, including sharks (superorder Selachii), rays, skates, and sawfish (superorder Batoidea). Members of this subclass are characterised by having five to seven pairs of ...

=Superorder
Batoidea Batoidea is a superorder of cartilaginous fishes, commonly known as rays. They and their close relatives, the sharks, comprise the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes, with well over 600 species in 26 fa ...
(rays, skates and sawfishes)

Subclass
Holocephali Holocephali ("complete heads"), sometimes given the term Euchondrocephali, is a subclass of cartilaginous fish in the class Chondrichthyes. The earliest fossils are of teeth and come from the Devonian period. Little is known about these primiti ...

Subclass
Chondrostei Chondrostei is a group of non-neopterygian ray-finned fish, while the term originally referred to a paraphyletic group of all non-neopterygian ray-finned fish, it was redefined by Patterson in 1982 to be a clade comprising the Acipenseriformes (w ...

=Order
Acipenseriformes Acipenseriformes is an order of basal ray-finned fishes that includes living and fossil sturgeons and paddlefishes (Acipenseroidei), as well as the extinct families Chondrosteidae and Peipiaosteidae. They are the second earliest div ...
(sturgeons)

Subclass
Neopterygii Neopterygii (from Greek νέος ''neos'' 'new' and πτέρυξ ''pteryx'' 'fin') is a subclass of ray-finned fish (Actinopterygii). Neopterygii includes the Holostei and the Teleostei, of which the latter comprise the vast majority of extant f ...

Infraclass
Holostei Holostei is a group of ray-finned bony fish. It is divided into two major clades, the Halecomorphi, represented by a single living species, the bowfin (''Amia calva''), as well as the Ginglymodi, the sole living representatives being the gars (Le ...

=Superorder
Elopomorpha The superorder Elopomorpha contains a variety of types of fishes that range from typical silvery-colored species, such as the tarpons and ladyfishes of the Elopiformes and the bonefishes of the Albuliformes, to the long and slender, smooth-bodi ...

=Superorder
Ostariophysi Ostariophysi is the second-largest superorder of fish. Members of this superorder are called ostariophysians. This diverse group contains 10,758 species, about 28% of known fish species in the world and 68% of freshwater species, and are present ...

= Superorder
Protacanthopterygii Protacanthopterygii is a ray-finned fish taxon ranked as a superorder of the infraclass Teleostei. They inhabit both marine and freshwater habitats. They appear to have evolved in the Cretaceous or perhaps late Jurassic, originating probably roug ...

=
Acanthomorpha Acanthomorpha (meaning "thorn-shaped") is an extraordinarily diverse taxon of teleost fishes with spiny rays. The clade contains about one third of the world's modern species of vertebrates: over 14,000 species. A key anatomical innovation in ...

=Superorder
Acanthopterygii Acanthopterygii (meaning "spiny finned one") is a superorder of bony fishes in the class Actinopterygii. Members of this superorder are sometimes called ray-finned fishes for the characteristic sharp, bony rays in their fins; however this name i ...

=Clade
Percomorpha Percomorpha () is a large clade of ray-finned fish that includes the tuna, seahorses, gobies, cichlids, flatfish, wrasse, perches, anglerfish, and pufferfish. Evolution Percomorpha are the most diverse group of teleost fish today. Teleosts, an ...