List of freshwater fishes of Maryland
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{{Short description, none This is a list of
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 differ from marine conditions in many ways, especially the difference in levels of s ...
living wild in the US state of
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
.


Bowfin (

Amiidae The Amiidae are a family of basal ray-finned fishes. The bowfin is the only species to survive today, although additional species in all four subfamilies of Amiidae are known from Jurassic, Cretaceous, and Eocene fossils. Bowfins are now found ...
)

*
Bowfin The bowfin (''Amia calva'') is a bony fish, native to North America. Common names include mudfish, mud pike, dogfish, grindle, grinnel, swamp trout, and choupique. It is regarded as a relict, being the sole surviving species of the Halecomorphi ...
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Amia calva The bowfin (''Amia calva'') is a bony fish, native to North America. Common names include mudfish, mud pike, dogfish, grindle, grinnel, swamp trout, and choupique. It is regarded as a relict, being the sole surviving species of the Halecomorphi ...
'')


Catfishes (

Ictaluridae The Ictaluridae, sometimes called ictalurids, are a family of catfish native to North America, where they are an important food source and sometimes fished for sport. The family includes about 51 species, some commonly known as bullheads, madt ...
)

* White catfish ('' Ameiurus catus'') *
Yellow bullhead The yellow bullhead (''Ameiurus natalis'') is a species of bullhead catfish, a ray-finned fish that lacks scales. Description The yellow bullhead is a medium-sized member of the catfish family. It is typically yellow-olive to slate black on the ...
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Ameiurus natalis The yellow bullhead (''Ameiurus natalis'') is a species of bullhead catfish, a ray-finned fish that lacks scales. Description The yellow bullhead is a medium-sized member of the catfish family. It is typically yellow-olive to slate black on the ...
'') *
Brown bullhead The brown bullhead (''Ameiurus nebulosus'') is a fish of the family Ictaluridae that is widely distributed in North America. It is a species of bullhead catfish and is similar to the black bullhead (''Ameiurus melas'') and yellow bullhead (''Ame ...
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Ameiurus nebulosus The brown bullhead (''Ameiurus nebulosus'') is a fish of the family Ictaluridae that is widely distributed in North America. It is a species of bullhead catfish and is similar to the black bullhead (''Ameiurus melas'') and yellow bullhead (''A ...
'') *
Blue catfish The blue catfish (''Ictalurus furcatus'') is the largest species of North American catfish, reaching a length of and a weight of . The typical length is about 25–46 in (64–117 cm). The fish can live to 20 years. The native distribution ...
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Ictalurus furcatus The blue catfish (''Ictalurus furcatus'') is the largest species of North American catfish, reaching a length of and a weight of . The typical length is about 25–46 in (64–117 cm). The fish can live to 20 years. The native distribution o ...
'') *
Channel catfish The channel catfish (''Ictalurus punctatus'') is North America's most numerous catfish species. It is the official fish of Kansas, Missouri, Iowa, Nebraska, and Tennessee, and is informally referred to as a "channel cat". In the United States, the ...
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Ictalurus punctatus The channel catfish (''Ictalurus punctatus'') is North America's most numerous catfish species. It is the official fish of Kansas, Missouri, Iowa, Nebraska, and Tennessee, and is informally referred to as a "channel cat". In the United States, th ...
'') * Stonecat (''
Noturus flavus ''Noturus flavus'', the stonecat, is a North American freshwater catfish of the family Ictaluridae. The common name is due to its habit of hiding near or under stones in fast-moving water. Anatomy Stonecats are small, slender, flat-headed catfi ...
'') *
Tadpole madtom The tadpole madtom (''Noturus gyrinus'') is a species of fish in the family Ictaluridae. It is native to Canada and the United States. Description An adult tadpole madtom is typically , however they have recorded at a length of . The tadpole m ...
('' Noturus gyrinus'') * Margined madtom ('' Noturus insignis'') *
Flathead catfish The flathead catfish (''Pylodictis olivaris''), also called by several common names including mudcat or shovelhead cat, is a large species of North American freshwater catfish in the family Ictaluridae. It is the only species of the genus ''P ...
('' Pylodictis olivaris'')


Eels (

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 ...
)

* American eel ('' Anguilla rostrata'')


Gars (

Lepisosteidae Gars are members of the family Lepisosteidae, which are the only surviving members of the Ginglymodi, an ancient holosteian group of ray-finned fish, which first appeared during the Triassic, over 240 million years ago. Gars comprise seven livin ...
)

*
Longnose gar The longnose gar (''Lepisosteus osseus''), also known as longnose garpike or billy gar, is a ray-finned fish in the family Lepisosteidae. The genus may have been present in North America for about 100 million years. References are made to gars ...
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Lepisosteus osseus The longnose gar (''Lepisosteus osseus''), also known as longnose garpike or billy gar, is a ray-finned fish in the family Lepisosteidae. The genus may have been present in North America for about 100 million years. References are made to gars ...
'')


Herrings (

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 ...
)

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Blueback herring The blueback herring, blueback shad, or summer shad (''Alosa aestivalis'') is an anadromous species of herring from the east coast of North America, with a range from Nova Scotia to Florida. Blueback herring form schools and are believed to mi ...
('' Alosa aestivalis'') * Hickory shad ('' Alosa mediocris'') * Alewife ('' Alosa pseudoharengus'') *
American shad The American shad (''Alosa sapidissima'') is a species of anadromous clupeid fish naturally distributed on the North American coast of the North Atlantic, from Newfoundland to Florida, and as an introduced species on the North Pacific coast. The ...
('' Alosa sapidissima'') *
Gizzard shad ''Dorosoma'' is a genus that contains five species of shads, within the herring family Clupeidae. The five species are native to the North and/or Central America, and are known from both fresh water and the waters of estuaries and bays. The Am ...
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Dorosoma cepedianum The American gizzard shad (''Dorosoma cepedianum''), also known as the mud shad, is a member of the herring family of fish, and is native to large swaths of fresh and brackish waters of the United States of America. The adult has a deep body, w ...
'') *
Threadfin shad The threadfin shad (''Dorosoma petenense'') is a small pelagic fish common in rivers, large streams, and reservoirs of the Southeastern United States. Like the American gizzard shad, the threadfin shad has an elongated dorsal ray, but unlike the ...
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Dorosoma petenense The threadfin shad (''Dorosoma petenense'') is a small pelagic fish common in rivers, large streams, and reservoirs of the Southeastern United States. Like the American gizzard shad, the threadfin shad has an elongated dorsal ray, but unlike the ...
'')


Killifishes (

Fundulidae Fundulidae is the family of topminnows and North American killifishes. Distribution The 46 species are native to North America as far south as Yucatan, and to the islands of Bermuda and Cuba, occurring in both freshwater and marine environments ...
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*
Banded killifish The banded killifish (''Fundulus diaphanus'') is a North American species of temperate freshwater killifish belonging to the genus ''Fundulus'' of the family Fundulidae. Its natural geographic range extends from Newfoundland to South Carolina, ...
('' Fundulus diaphanus'') *
Mummichog The mummichog (''Fundulus heteroclitus'') is a small killifish found along the Atlantic coast of the United States and Canada. Also known as Atlantic killifish, mummies, gudgeons, and mud minnows, these fish inhabit brackish and coastal waters in ...
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Fundulus heteroclitus The mummichog (''Fundulus heteroclitus'') is a small killifish found along the Atlantic coast of the United States and Canada. Also known as Atlantic killifish, mummies, gudgeons, and mud minnows, these fish inhabit brackish and coastal waters in ...
'') * Spotfin killifish ('' Fundulus luciae'') * Striped killifish ('' Fundulus majalis'') * Rainwater killifish ('' Lucania parva'')


Pupfish ( Cyprinodontidae)

* Marsh pupfish (''
Cyprinodon variegatus The sheepshead minnow or sheepshead pupfish (''Cyprinodon variegatus'') is a species of ray-finned fish in the family Cyprinodontidae, the pupfishes. It is found in salt marsh and estuary environments and is native to the eastern coasts of North ...
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Lampreys (

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 ...
)

*
Least brook lamprey The least brook lamprey (''Lampetra aepyptera'') is a common, non-parasitic lamprey Lampreys (sometimes inaccurately called lamprey eels) are an ancient extant lineage of jawless fish of the order Petromyzontiformes , placed in the supe ...
('' Lampetra aepyptera'') *
American brook lamprey ''Lethenteron appendix'', the American brook lamprey, is a common non-parasitic lamprey in North America. In adults their disc-like mouths contain poorly developed teeth, useless for attaching to a host. Description The eggs of the American broo ...
('' Lampetra appendix'') *
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, ...
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Petromyzon marinus 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, ...
'')


Lotids (

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 ...
)

*
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 ...
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Lota lota The burbot (''Lota lota'') is the only gadiform (cod-like) freshwater fish. It is also known as bubbot, mariah, loche, cusk, freshwater cod, freshwater ling, freshwater cusk, the lawyer, coney-fish, lingcod, and eelpout. The species is closely ...
'')


Minnows (

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 ...
)

* Central stoneroller (''
Campostoma anomalum The central stoneroller (''Campostoma anomalum'') is a fish in the family Cyprinidae endemic to North America. Biology Stonerollers have a rounded snout overhanging a crescent-shaped mouth, a hard ridge of cartilage on the lower lip, and irr ...
'') *
Goldfish The goldfish (''Carassius auratus'') is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is commonly kept as a pet in indoor aquariums, and is one of the most popular aquarium fish. Goldfish released into the wild have ...
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Carassius auratus The goldfish (''Carassius auratus'') is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is commonly kept as a pet in indoor aquariums, and is one of the most popular aquarium fish. Goldfish released into the wild have ...
'') *
Redside dace The redside dace (''Clinostomus elongatus'') is a species of ray-finned fish in the family Cyprinidae, found in the United States and Canada. It is unique among minnows, being the only species to routinely feed on flying insects by leaping from w ...
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Clinostomus elongatus The redside dace (''Clinostomus elongatus'') is a species of ray-finned fish in the family Cyprinidae, found in the United States and Canada. It is unique among minnows, being the only species to routinely feed on flying insects by leaping from ...
'') * Rosyside dace (''
Clinostomus funduloides The rosyside dace (''Clinostomus funduloides'') is a species of cyprinid fish. This fish is about 11 centimeters long. The lower parts of its sides are red, giving rise to its name, and the upper parts of its sides are dark green. The rosyside d ...
'') *
Grass carp The grass carp (''Ctenopharyngodon idella'') is a species of large herbivorous freshwater fish in the family Cyprinidae, native to the Pacific Far East, with a native range stretching from northern Vietnam to the Amur River on the Sino-Russian ...
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Ctenopharyngodon idella The grass carp (''Ctenopharyngodon idella'') is a species of large herbivorous freshwater fish in the family Cyprinidae, native to the Pacific Far East, with a native range stretching from northern Vietnam to the Amur River on the Sino-Russian ...
'') *
Satinfin shiner The satinfin shiner (''Cyprinella analostana'') is a species of fish in the family Cyprinidae, the carps and minnows. It is native to the eastern United States, where its distribution extends from New York to South Carolina. It is a common fish ...
('' Cyprinella analostana'') * Spotfin shiner ('' Cyprinella spiloptera'') *
Common carp The Eurasian carp or European carp (''Cyprinus carpio''), widely known as the common carp, is a widespread freshwater fish of eutrophic waters in lakes and large rivers in Europe and Asia.Fishbase''Cyprinus carpio'' Linnaeus, 1758/ref>Arkive The ...
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Cyprinus carpio The Eurasian carp or European carp (''Cyprinus carpio''), widely known as the common carp, is a widespread freshwater fish of eutrophic waters in lakes and large rivers in Europe and Asia.Fishbase''Cyprinus carpio'' Linnaeus, 1758/ref>Arkive The ...
'') *
Cutlips minnow :''"Cutlips minnows" is also used for the genus ''Exoglossum'' as a whole.'' ''Exoglossum maxillingua'' (cutlips minnow) is an olive-green medium-sized minnow (average 6 inches) of North America with a distinguishing lower jaw. Isolated f ...
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Exoglossum maxillingua :''"Cutlips minnows" is also used for the genus ''Exoglossum'' as a whole.'' ''Exoglossum maxillingua'' (cutlips minnow) is an olive-green medium-sized minnow (average 6 inches) of North America with a distinguishing lower jaw. Isolated f ...
'') *
Eastern silvery minnow The eastern silvery minnow (''Hybognathus regius'') is a freshwater fish. They are characterized by their lack of barbels. In appearance, they are similar to shiners, but the lower jaw is crescent-shaped rather than U-shaped and there is a seco ...
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Hybognathus regius The eastern silvery minnow (''Hybognathus regius'') is a freshwater fish. They are characterized by their lack of barbels. In appearance, they are similar to shiners, but the lower jaw is crescent-shaped rather than U-shaped and there is a seco ...
'') *
Striped shiner The striped shiner (''Luxilus chrysocephalus'') is a member of the family Cyprinidae.Page, L. M., H. Espinoa-Pérez, L. T. Findley, C. R. Gilbert, R. N. Lea, N. E. Mandrak, R. L. Mayden, and J. S. Nelson. 2013. Common and scientific names of the ...
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Luxilus chrysocephalus The striped shiner (''Luxilus chrysocephalus'') is a member of the family Cyprinidae.Page, L. M., H. Espinoa-Pérez, L. T. Findley, C. R. Gilbert, R. N. Lea, N. E. Mandrak, R. L. Mayden, and J. S. Nelson. 2013. Common and scientific names of the ...
'') *
Common shiner The common shiner (''Luxilus cornutus'') is a freshwater fish of the family Cyprinidae, found in North America. It ranges in length between 4 and 6 inches, although they can reach lengths of up to 8 inches. Description The common shiner i ...
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Luxilus cornutus The common shiner (''Luxilus cornutus'') is a freshwater fish of the family Cyprinidae, found in North America. It ranges in length between 4 and 6 inches, although they can reach lengths of up to 8 inches. Description The common shiner i ...
'') * Allegheny pearl dace (''
Margariscus margarita The Allegheny pearl dace (''Margariscus margarita'') is a species of cyprinid fish. It is demersal, freshwater fish, with a dark green back and silvery body. This species is omnivorous, consuming algae, as well as arthropods. ''M. margaritas ra ...
'') *
River chub The river chub (''Nocomis micropogon'') is a minnow in the family Cyprinidae. It is one of the most common fishes in North American streams. Appearance and anatomy The river chub is a robust minnow, dark olivaceous above to dusky yellow below, ...
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Nocomis micropogon The river chub (''Nocomis micropogon'') is a minnow in the family Cyprinidae. It is one of the most common fishes in North American streams. Appearance and anatomy The river chub is a robust minnow, dark olivaceous above to dusky yellow below, ...
'') *
Golden shiner The golden shiner (''Notemigonus crysoleucas'') is a cyprinid fish native to eastern North America. It is the sole member of its genus. Much used as a bait fish, it is probably the most widely pond-cultured fish in the United States. It can be fo ...
('' Notemigonus crysoleucas'') * Comely shiner ('' Notropis amoenus'') *
Emerald shiner The emerald shiner (''Notropis atherinoides'') is one of hundreds of small, silvery, slender fish species known as shiners. The identifying characteristic of the emerald shiner is the silvery emerald color on its sides. It can grow to 3.5  ...
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Notropis atherinoides The emerald shiner (''Notropis atherinoides'') is one of hundreds of small, silvery, slender fish species known as shiners. The identifying characteristic of the emerald shiner is the silvery emerald color on its sides. It can grow to 3.5  ...
'') * Bridle shiner ('' Notropis bifrenatus'') *
Silverjaw minnow Silverjaw minnows (''Ericymba buccata'') are part of the family Cyprinidae, which includes carps and minnows. With over 300 known species, there are more species of minnows native to North America's fresh waters than any other fish. Minnows can ...
('' Notropis buccatus'') * Ironcolor shiner ('' Notropis chalybaeus'') *
Spottail shiner The spottail shiner or spottail minnow (''Notropis hudsonius'') is a small- to medium-sized freshwater minnow. It can be found as far north as Canada and as far south as the Chattahoochee River in Georgia. These shiners live in lakes, rivers, an ...
('' Notropis hudsonius'') * Swallowtail shiner ('' Notropis procne'') * Rosyface shiner ('' Notropis rubellus'') * Cheat minnow ('' Pararhinichthys bowersi'') *
Bluntnose minnow :''"Bluntnose minnows" is also used for the genus '' Pimephales'' as a whole.'' The bluntnose minnow (''Pimephales notatus)'' is a species of temperate freshwater fish belonging to the genus '' Pimephales'' of the cyprinid family. Its natural geog ...
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Pimephales notatus :''"Bluntnose minnows" is also used for the genus ''Pimephales'' as a whole.'' The bluntnose minnow (''Pimephales notatus)'' is a species of temperate freshwater fish belonging to the genus ''Pimephales'' of the cyprinid family. Its natural geogra ...
'') *
Fathead minnow Fathead minnow (''Pimephales promelas''), also known as fathead or tuffy, is a species of temperate freshwater fish belonging to the genus ''Pimephales'' of the cyprinid family. The natural geographic range extends throughout much of North Amer ...
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Pimephales promelas Fathead minnow (''Pimephales promelas''), also known as fathead or tuffy, is a species of temperate freshwater fish belonging to the genus ''Pimephales'' of the cyprinid family. The natural geographic range extends throughout much of North Amer ...
'') *
Eastern blacknose dace Eastern blacknose dace (''Rhinichthys atratulus'') is a species of ray-finned fish in the genus '' Rhinichthys''. Its name originates from the Old French word "dars" which is the nominative form of the word "dart" in reference to their swimming pa ...
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Rhinichthys atratulus Eastern blacknose dace (''Rhinichthys atratulus'') is a species of ray-finned fish in the genus ''Rhinichthys''. Its name originates from the Old French word "dars" which is the nominative form of the word "dart" in reference to their swimming pat ...
'') *
Longnose dace The longnose dace (''Rhinichthys cataractae'') is a freshwater minnow native to North America. ''Rhinicthys'' means snout fish (reference to the long snout) and ''cataractae'' means of the cataract (first taken from Niagara Falls). Longnose dace ...
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Rhinichthys cataractae The longnose dace (''Rhinichthys cataractae'') is a freshwater minnow native to North America. ''Rhinicthys'' means snout fish (reference to the long snout) and ''cataractae'' means of the cataract (first taken from Niagara Falls). Longnose dace ...
'') *
Rudd ''Scardinius'' is a genus of ray-finned fish in the family Cyprinidae commonly called rudds. Locally, the name "rudd" without any further qualifiers is also used for individual species, particularly the common rudd (''S. erythrophthalmus''). Th ...
('' Scardinius erythropthalmus'') *
Creek chub ''Semotilus'' is the genus of creek chubs, ray-finned fish in the family Cyprinidae. The term "creek chub" is sometimes used for individual species, particularly the common creek chub, ''S. atromaculatus''. The creek chub species of minnows can ...
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Semotilus atromaculatus ''Semotilus atromaculatus'', known as the creek chub or the common creek chub, is a small minnow, a freshwater fish found in the eastern US and Canada. Differing in size and color depending on origin of development, the creek chub can usually be ...
'') *
Fallfish The fallfish (''Semotilus corporalis'') is a North American freshwater fish, a chub in the family Cyprinidae. The fallfish is the largest minnow species native to Eastern North America. Description Average specimens generally measure about in ...
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Semotilus corporalis The fallfish (''Semotilus corporalis'') is a North American freshwater fish, a chub in the family Cyprinidae. The fallfish is the largest minnow species native to Eastern North America. Description Average specimens generally measure about in ...
'') *
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 ...
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Tinca tinca 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 ...
'')


Mudminnows (

Umbridae Umbridae is a family of fish in the order Esociformes, which contains pike, pickerel, and mudminnows. The single living genus, ''Umbra'', occupies weed-choked freshwater habitats in eastern North America and eastern Europe. While the family trad ...
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*
Eastern mudminnow The eastern mudminnow (''Umbra pygmaea'') is a species of freshwater fish belonging to the family Umbridae. It is native to eastern North America, but has been introduced to Europe. It feeds primarily on insect larvae and other small aquatic in ...
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Umbra pygmaea The eastern mudminnow (''Umbra pygmaea'') is a species of freshwater fish belonging to the family Umbridae. It is native to eastern North America, but has been introduced to Europe. It feeds primarily on insect larvae and other small aquatic in ...
'')


Perches (

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 ...
)

* Greenside darter ('' Etheostoma blennioides'') *
Rainbow darter The rainbow darter (''Etheostoma caeruleum'') is a small species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is native to No ...
('' Etheostoma caeruleum'') * Fantail darter (''
Etheostoma flabellare The fantail (''Etheostoma flabellare'') is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the Family (biology), family Percidae, which also contains the perches, Gymnocephalus, ruffes and Sander (fis ...
'') * Swamp darter ('' Etheostoma fusiforme'') *
Johnny darter The johnny darter (''Etheostoma nigrum'') is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is native to shallow wat ...
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Etheostoma nigrum The johnny darter (''Etheostoma nigrum'') is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is native to shallow wa ...
'') *
Tessellated darter The tessellated darter (''Etheostoma olmstedi'') is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is native to Canad ...
('' Etheostoma olmstedi'') * Maryland darter ('' Etheostoma sellare'') * Glassy darter ('' Etheostoma vitreum'') * Banded darter ('' Etheostoma zonale'') *
Yellow perch The yellow perch (''Perca flavescens''), commonly referred to as perch, striped perch, American perch, American river perch or preacher is a freshwater perciform fish native to much of North America. The yellow perch was described in 1814 by Samu ...
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Perca flavescens The yellow perch (''Perca flavescens''), commonly referred to as perch, striped perch, American perch, American river perch or preacher is a freshwater perciform fish native to much of North America. The yellow perch was described in 1814 by Samu ...
'') *
Logperch Logperches are a group of fish in the genus ''Percina'' of the family Percidae. There are 11 species of logperch, native to eastern parts of the US and Canada. The fish inhabit clear, gravelly streams and lakes, reaching a maximum siz ...
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Percina caprodes The common logperch (''Percina caprodes''), sometimes simply known as the logperch, is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and ...
'') * Stripeback darter ('' Percina notogramma'') * Shield darter ('' Percina peltata'') *
Walleye The walleye (''Sander vitreus'', synonym ''Stizostedion vitreum''), also called the yellow pike or yellow pickerel, is a freshwater perciform fish native to most of Canada and to the Northern United States. It is a North American close relat ...
('' Sander vitreum'')


Percopsids ( Percopsidae)

*
Trout-perch ''Percopsis omiscomaycus'', also known as the trout-perch, the grounder or the sand minnow, is one of two species in the family Percopsidae. Its name comes from the Greek root words ''perc'', meaning perch and ''opsi'' meaning appearance. The sp ...
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Percopsis omiscomaycus ''Percopsis omiscomaycus'', also known as the trout-perch, the grounder or the sand minnow, is one of two species in the family Percopsidae. Its name comes from the Greek root words ''perc'', meaning perch and ''opsi'' meaning appearance. The sp ...
'')


Pikes (

Esocidae Esocidae is a family of fish in the order Esociformes, which contains pike, pickerel, and mudminnows. While the family traditionally only contained the genus ''Esox'', recent genetic and paleontological research have recovered ''Novumbra'' and ' ...
)

*
Redfin pickerel The redfin pickerel (''Esox americanus americanus'') is a subspecies of freshwater fish belonging to the pike family (Esocidae) of the order Esociformes. Not to be confused with its close relatives, the grass pickerel and the chain pickerel, th ...
('' Esox americanus'') *
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 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 p ...
'') *
Muskellunge The muskellunge ''(Esox masquinongy)'', often shortened to muskie, musky or lunge is a species of large freshwater predatory fish native to North America. It is the largest member of the pike family, Esocidae. Origin of name The name "muskell ...
('' Esox masquinongy'') * Tiger muskellunge (''Esox masquinongy X Esox lucius)'' *
Chain pickerel The chain pickerel (''Esox niger'') is a species of freshwater fish in the pike family (family Esocidae) of order Esociformes. The chain pickerel and the American pickerel (''E. americanus'') belong to the ''Esox'' genus of pike. Taxonomy French ...
(''
Esox niger The chain pickerel (''Esox niger'') is a species of freshwater fish in the pike family (biology), family (family Esocidae) of order (biology), order Esociformes. The chain pickerel and the American pickerel (''E. americanus'') belong to the ''Esox ...
'')


Pirate perch ( Aphredoderidae)

*
Pirate perch The pirate perch (''Aphredoderus sayanus'') is a freshwater fish that commonly inhabits coastal waters along the east coast of the United States and the backwater areas of the Mississippi Valley. This species is often found towards the bottom of ...
('' Aphredoderus sayanus'')


Poeciliids (

Poeciliidae The Poeciliidae are a family of freshwater fishes of the order Cyprinodontiformes, the tooth-carps, and include well-known live-bearing aquarium fish, such as the guppy, molly, platy, and swordtail. The original distribution of the family was t ...
)

*
Eastern mosquitofish The eastern mosquitofish (''Gambusia holbrooki'') is a species of freshwater fish, closely related to the western mosquitofish, ''Gambusia affinis''. It is a member of the family Poeciliidae of order Cyprinodontiformes. The eastern mosquitofish ...
(''
Gambusia holbrooki The eastern mosquitofish (''Gambusia holbrooki'') is a species of freshwater fish, closely related to the western mosquitofish, ''Gambusia affinis''. It is a member of the family (biology), family Poeciliidae of order (biology), order Cyprinodont ...
'')


Pupfish ( Cyprinodontidae)

*
Sheepshead minnow The sheepshead minnow or sheepshead pupfish (''Cyprinodon variegatus'') is a species of ray-finned fish in the family Cyprinodontidae, the pupfishes. It is found in salt marsh and estuary environments and is native to the eastern coasts of Nort ...
(''
Cyprinodon variegatus The sheepshead minnow or sheepshead pupfish (''Cyprinodon variegatus'') is a species of ray-finned fish in the family Cyprinodontidae, the pupfishes. It is found in salt marsh and estuary environments and is native to the eastern coasts of North ...
'')


Sculpins (

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 ...
)

* Mottled sculpin ('' Cottus bairdii'') * Blue Ridge sculpin ('' Cottus caeruleomentum'')


Silversides ( Atherinopsidae)

* Rough silverside ('' Membras martinica'') *
Inland silverside The inland silverside (''Menidia beryllina'') is a neotropical silverside native to eastern North America, and introduced into California. It is a fish of estuaries and freshwater environments. Inland silversides are quite elongate even for silv ...
(''
Menidia beryllina The inland silverside (''Menidia beryllina'') is a neotropical silverside native to eastern North America, and introduced into California. It is a fish of estuary, estuaries and freshwater environments. Inland silversides are quite elongate even ...
'') *
Atlantic silverside The Atlantic silverside (''Menidia menidia''), also known as spearing in the northeastern United States, is a small species of fish from the West Atlantic, ranging from the Gulf of St. Lawrence in Canada to northeastern Florida in the USA. It is ...
('' Menidia menidia'')


Smelts (

Osmeridae Smelts are a family of small fish, the Osmeridae, found in the North Atlantic and North Pacific Oceans, as well as rivers, streams and lakes in Europe, North America and Northeast Asia. They are also known as freshwater smelts or typical smelts ...
)

*
Rainbow smelt The rainbow smelt (''Osmerus mordax'') is a North American species of fish of the family Osmeridae. Walleye, trout, and other larger fish prey on these smelt. The rainbow smelt prefer juvenile ciscoes, zooplankton such as calanoid copepods ('' L ...
(''
Osmerus mordax The rainbow smelt (''Osmerus mordax'') is a North American species of fish of the family Osmeridae. Walleye, trout, and other larger fish prey on these smelt. The rainbow smelt prefer juvenile ciscoes, zooplankton such as calanoid copepods ('' L ...
'')


Snakeheads (

Channidae The snakeheads are members of the freshwater perciform fish family Channidae, native to parts of Africa and Asia. These elongated, predatory fish are distinguished by their long dorsal fins, large mouths, and shiny teeth. They breathe air with ...
)

*
Northern snakehead The northern snakehead (''Channa argus'') is a species of snakehead fish native to China, Russia, North Korea, and South Korea, ranging from the Amur River to Hainan. It has been introduced to other regions, where it is considered invasive. In ...


Sticklebacks ( Gasterosteidae)

* Fourspine stickleback ('' Apeltes quadracus'') * Brook stickleback ('' Culaea inconstans'') *
Threespine 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 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 ...
'')


Sturgeons (

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 ...
)

*
Shortnose sturgeon The shortnose sturgeon (''Acipenser brevirostrum'') is a small and endangered species of North American sturgeon. The earliest remains of the species are from the Late Cretaceous Period, over 70 million years ago.National Oceanic and Atmospheri ...
('' Acipenser brevirostrum'') *
Atlantic sturgeon The Atlantic sturgeon (''Acipenser oxyrinchus oxyrinchus'') is a member of the family Acipenseridae and along with other sturgeon it is sometimes considered a living fossil. The Atlantic sturgeon is one of two subspecies of '' A. oxyrinchus'', ...
('' Acipenser oxyrhinchus'')


Suckers (

Catostomidae The Catostomidae are the suckers of the order Cypriniformes, with about 78 species in this family of freshwater fishes. The Catostomidae are almost exclusively native to North America. The only exceptions are ''Catostomus catostomus,'' found in ...
)

*
Quillback The quillback (''Carpiodes cyprinus''), also known as the quillback carpsucker, is a type of freshwater fish of the sucker family widely distributed throughout North America. It is deeper-bodied than most suckers, leading to a carplike appearan ...
('' Carpiodes cyprinus'') *
Longnose sucker The longnose sucker (''Catostomus catostomus'') is a species of cypriniform freshwater fish in the family Catostomidae. It is native to North America from the northern United States to the top of the continent. It is also found in Russia in ri ...
(''
Catostomus catostomus The longnose sucker (''Catostomus catostomus'') is a species of cypriniform freshwater fish in the family Catostomidae. It is native to North America from the northern United States to the top of the continent. It is also found in Russia in rive ...
'') *
White sucker The white sucker (''Catostomus commersonii)'' is a species of freshwater cypriniform fish inhabiting the upper Midwest and Northeast in North America, but it is also found as far south as Georgia and as far west as New Mexico. The fish is common ...
(''
Catostomus commersoni The white sucker (''Catostomus commersonii)'' is a species of freshwater cypriniform fish inhabiting the upper Midwest and Northeast in North America, but it is also found as far south as Georgia (U.S. state), Georgia and as far west as New Mexic ...
'') *
Creek chubsucker The creek chubsucker (''Erimyzon oblongus'') is a freshwater fish of the sucker family (Catostomidae). Description The creek chubsucker is one of three species in the genus '' Erimyzon'' from the family Catostomidae present in eastern North Am ...
('' Erimyzon oblongus'') *
Northern hogsucker The northern hogsucker (''Hypentelium nigricans'') is a freshwater ray-finned fish belonging to the family Catostomidae, the suckers. It is native to the United States and Canada where it is found in streams and rivers. It prefers clear, fast-f ...
(''
Hypentelium nigricans The northern hogsucker (''Hypentelium nigricans'') is a freshwater ray-finned fish belonging to the family Catostomidae, the suckers. It is native to the United States and Canada where it is found in streams and rivers. It prefers clear, fast-fl ...
'') * Golden redhorse (''
Moxostoma erythrurum The golden redhorse, ''Moxostoma erythrurum'', is a species of freshwater fish endemic to Ontario and Manitoba in Canada and the Midwestern, southern, and eastern United States. It lives in calm, often silty or sandy waters in streams, small to l ...
'') *
Shorthead redhorse The shorthead redhorse (''Moxostoma macrolepidotum'') is a wide-ranging species in North America. The shorthead redhorse is native to central and eastern North America. However, its range has expanded to include areas like the Hudson estuary and ...
(''
Moxostoma macrolepidotum The shorthead redhorse (''Moxostoma macrolepidotum'') is a wide-ranging species in North America. The shorthead redhorse is native to central and eastern North America. However, its range has expanded to include areas like the Hudson estuary and ...
'')


Sunfishes (

Centrarchidae Centrarchidae, better known as sunfishes, is a family of freshwater ray-finned fish belonging to the order Perciformes (formerly belonging to the deprecated order Centrarchiformes), native only to North America. There are eight universally i ...
)

*
Mud sunfish The mud sunfish (''Acantharchus pomotis'') is a freshwater ray-finned fish, a sunfish from the family Centrarchidae, which widely distributed in the fresh waters along the Atlantic coast of North America, ranging from New York to Alabama. It is t ...
('' Acantharcus pomotis'') *
Rock bass The rock bass (''Ambloplites rupestris''), also known as the rock perch, goggle-eye, red eye, and black perch, is a freshwater fish native to east-central North America. This red eyed creature is a species of freshwater fish in the sunfish fa ...
('' Amblopites rupestris'') * Flier (''
Centrarchus macropterus The flier (''Centrarchus macropterus'') is a species of freshwater ray-finned fish, a sunfish from the family Centrarchidae which is endemic to the southern United States of America. It is the only species in the monospecific genus ''Centrarchus ...
'') * Blackbanded sunfish ('' Enneacanthus chaetodon'') *
Bluespotted sunfish The bluespotted sunfish (''Enneacanthus gloriosus'') is a species of fish in the family Centrarchidae, the sunfishes. It is native to the southeastern and eastern United States, its distribution extending as far north as New Jersey, Pennsylvania, ...
('' Enneacanthus gloriosus'') * Banded sunfish ('' Enneacanthus obesus'') *
Redbreast sunfish The redbreast sunfish (''Lepomis auritus'') is a species of freshwater fish in the sunfish family (family Centrarchidae) of order Perciformes. The type species of its genus, it is native to the river systems of eastern Canada and the United Stat ...
(''
Lepomis auritus The redbreast sunfish (''Lepomis auritus'') is a species of freshwater fish in the sunfish family (family Centrarchidae) of order Perciformes. The type species of its genus, it is native to the river systems of eastern Canada and the United St ...
'') *
Green sunfish The green sunfish (''Lepomis cyanellus'') is a species of freshwater fish in the sunfish family (Centrarchidae) of order Perciformes. A panfish popular with anglers, the green sunfish is also kept as an aquarium fish by hobbyists. They are usu ...
('' Lepomis cyanellus'') *
Pumpkinseed The pumpkinseed (''Lepomis gibbosus''), also referred to as pond perch, common sunfish, punkie, sunfish, sunny, and kivver, is a small/medium-sized North American freshwater fish of the genus ''Lepomis'' (true sunfishes), from family Centrarchi ...
(''
Lepomis gibbosus The pumpkinseed (''Lepomis gibbosus''), also referred to as pond perch, common sunfish, punkie, sunfish, sunny, and kivver, is a small/medium-sized North American freshwater fish of the genus ''Lepomis'' (true sunfishes), from family Centrarchi ...
'') * Pumpkingill ''(Lepomis gibbosus x macrochirus)'' *
Warmouth The warmouth (''Lepomis gulosus'') is a freshwater fish of the sunfish family ( Centrarchidae) that is found throughout the eastern United States. Other local names include molly, redeye, goggle-eye, red-eyed bream, and strawberry perch. Descrip ...
('' Lepomis gulosus'') *
Bluegill The bluegill (''Lepomis macrochirus''), sometimes referred to as "bream", "brim", "sunny", or "copper nose" as is common in Texas, is a species of North American freshwater fish, native to and commonly found in streams, rivers, lakes, ponds and ...
(''
Lepomis macrochirus The bluegill (''Lepomis macrochirus''), sometimes referred to as "bream", "brim", "sunny", or "copper nose" as is common in Texas, is a species of North American freshwater fish, native to and commonly found in streams, rivers, lakes, ponds and ...
'') * Greengill sunfish ''(Lepomis macrochirus x cyanellus)'' *
Longear sunfish The longear sunfish (''Lepomis megalotis'') is a freshwater fish in the sunfish family, Centrarchidae, of order Perciformes. It is native to the area of eastern North America stretching from the Great Lakes down to northeastern Mexico.Berra, Tim ...
('' Lepomis megalotis'') * Redear sunfish ('' Lepomis microlophus'') * Smallmouth bass ('' Micropterus dolomieu'') *
Largemouth bass The largemouth bass (''Micropterus salmoides'') is a carnivorous freshwater gamefish in the Centrarchidae ( sunfish) family, a species of black bass native to the eastern and central United States, southeastern Canada and northern Mexico, but ...
(''
Micropterus salmoides The largemouth bass (''Micropterus salmoides'') is a carnivorous freshwater gamefish in the Centrarchidae ( sunfish) family, a species of black bass native to the eastern and central United States, southeastern Canada and northern Mexico, but ...
'') *
White crappie The white crappie (''Pomoxis annularis'') is a freshwater fish found in North America, one of the two species of crappies. Alternate common names for the species include goldring and silver perch. is named for the fish. The genus name ''Pomoxis ...
('' Pomoxis annularis'') *
Black crappie The black crappie (''Pomoxis nigromaculatus'') is a freshwater fish found in North America, one of the two types of crappies. It is very similar to the white crappie in size, shape, and habits, except that it is darker, with a pattern of black sp ...
('' Pomoxis nigromaculatus'')


Temperate basses (

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 ...
)

*
White perch The white perch (''Morone americana'') is not a true perch but is a fish of the temperate bass family, Moronidae, notable as a food and game fish in eastern North America. In some places it is referred to as "Silver Bass". The name "White perc ...
(''
Morone americana The white perch (''Morone americana'') is not a true perch but is a fish of the temperate bass family, Moronidae, notable as a food and game fish in eastern North America. In some places it is referred to as "Silver Bass". The name "White perc ...
'') *
Striped bass The striped bass (''Morone saxatilis''), also called the Atlantic striped bass, striper, linesider, rock, or rockfish, is an anadromous perciform fish of the family Moronidae found primarily along the Atlantic coast of North America. It has al ...
(''
Morone saxatilis The striped bass (''Morone saxatilis''), also called the Atlantic striped bass, striper, linesider, rock, or rockfish, is an anadromous perciform fish of the family Moronidae found primarily along the Atlantic coast of North America. It has al ...
'')


Trout and whitefish (

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 ...
)

*
Cutthroat trout The cutthroat trout is a fish species of the family Salmonidae native to cold-water tributaries of the Pacific Ocean, Rocky Mountains, and Great Basin in North America. As a member of the genus '' Oncorhynchus'', it is one of the Pacific tro ...
(''Oncorhynchus clarki'') *
Rainbow trout The rainbow trout (''Oncorhynchus mykiss'') is a species of trout native to cold-water tributaries of the Pacific Ocean in Asia and North America. The steelhead (sometimes called "steelhead trout") is an anadromous (sea-run) form of the coasta ...
(''Oncorhynchus mykiss'') *
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'') *
Brook trout The brook trout (''Salvelinus fontinalis'') is a species of freshwater fish in the char genus ''Salvelinus'' of the salmon family Salmonidae. It is native to Eastern North America in the United States and Canada, but has been introduced elsewhere ...
(''Salvelinus fontinalis'') *
Lake trout The lake trout (''Salvelinus namaycush'') is a freshwater char living mainly in lakes in northern North America. Other names for it include mackinaw, namaycush, lake char (or charr), touladi, togue, and grey trout. In Lake Superior, it can also ...
(''Salvelinus namaycush'') *
Lake herring ''Coregonus artedi'', commonly known as the cisco, is a North American species of freshwater whitefish in the family Salmonidae. The number of species and definition of species limits in North American ciscoes is a matter of debate. Accordingly ...
(''Coregonus artedii'')


References


Dnr.state.md: Fish key of native species
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 differ from marine conditions in many ways, especially the difference in levels of s ...
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
.Maryland .Maryland