A blind fish is a

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 ...

without functional eyes. Most blind fish species are found in dark habitats such as the deep ocean, deep river channels and

underground Underground most commonly refers to: * Subterranea (geography), the regions beneath the surface of the Earth Underground may also refer to: Places * The Underground (Boston), a music club in the Allston neighborhood of Boston * The Underground (S ...

Blind fish species

Agnathans Agnatha (, Ancient Greek 'without jaws') is an infraphylum of jawless fish in the phylum Chordata, subphylum Vertebrata, consisting of both present (cyclostomes) and extinct (conodonts and ostracoderms) species. Among recent animals, cyclostomes ...

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Myxine glutinosa ''Myxine glutinosa'', known as the Atlantic hagfish in North America, and often simply as the hagfish in Europe, is a species of jawless fish of the genus ''Myxine''. Distribution The distribution of ''Myxine glutinosa'' in the eastern Atlantic ...

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Myxine circifrons ''Myxine'' is a genus of hagfish, from the Greek μυξῖνος (''myxinos'', "slimy"). In 2021, three new species of ''Myxine'' were described from the Galápagos including '' M. phantasma'', the only species of ''Myxine'' to not have mela ...

'' *'' Polistotrema stouti''

Cartilaginous fishes

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 e ...

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Benthobatis moresbyi ''Benthobatis moresbyi'', commonly known as the dark blindray, dark blind ray, or the Indian blind numbfish, is an electric ray species in the family Narcinidae. Moresbyi, was the captan of R.I.M.S. Investigator, the vessel of Indian Navy for su ...

'' **'' Typhlonarke aysoni'' **'' Typhlonarke tarakea''

Bony fishes

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 stage ...

Moringuidae The Moringuidae are a small family of eels commonly known as spaghetti eels or worm eels, although the latter name is also shared with other families of eels. Moringuid eels are found in shallow tropical waters worldwide. They range from about ...

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Moringua abbreviata The short worm eelCommon ...

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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 ...

Ipnopidae The Ipnopidae (deepsea tripod fishes) are a family of fishes in the order Aulopiformes. They are small, slender fishes, with maximum length ranging from about . They are found in temperate and tropical deep waters of the Atlantic, Indian, and ...

***'' Ipnops murrayi'' ***'' Ipnops agassizi'' ***'' Ipnops meadi'' ***'' Bathymicrops regis'' ***'' Bathymicrops brevianalis'' ***'' Bathyphlops sewelli'' *

Characiformes Characiformes is an order of ray-finned fish, comprising the characins and their allies. Grouped in 18 recognized families, more than 2000 different species are described, including the well-known piranha and tetras.; Buckup P.A.: "Relationshi ...

Characidae Characidae, the characids or characins is a family of freshwater subtropical and tropical fish, belonging to the order Characiformes. The name "characins" is the historical one, but scientists today tend to prefer "characids" to reflect their st ...

***'' Anoptichthys jordani'' ***'' Anoptichthys hubbsi'' ***'' Anoptichthys antrobius'' ***''

Stygichthys typhlops ''Stygichthys typhlops'', the blind tetra or Brazilian blind characid, is a species of fish in the family Characidae and the only member of the genus ''Stygichthys''. It is endemic to caves in northern Minas Gerais, Brazil. Like other cave-adapt ...

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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, ...

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 ...

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Caecobarbus geertsii ''Caecobarbus geertsi'', the African blind barb or Congo blind barb (known as ''Nzonzi a mpofo'' in the local Kikongo language, meaning "blind barb"), is a species of cyprinid fish. This threatened cavefish is only known from Democratic Republi ...

'' ***'' Barbopsis devecchii'' ***''

Iranocypris typhlops ''Garra typhlops'', also known as the Iran cave barb is a species of ray-finned fish in the family (biology), family Cyprinidae. It is endemic to caves in Iran. Like other Cavefish, cave-adapted fish, it is blind and lacks Biological pigment, pig ...

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Phreatichthys andruzzii ''Phreatichthys andruzzii'', a species of cyprinid fish, is the only species of the genus ''Phreatichthys'', and is endemic to Somalia. This cave-adapted fish is whitish (not pigmented) and blind. It is considered to have evolved in the cave en ...

'' ***'' Typhlogarra widdowsoni'' ***'' Puntius microps'' ***''

Sinocyclocheilus anophthalmus The eyeless golden-line fish or blind golden-line barbel (''Sinocyclocheilus anophthalmus'') is a species of ray-finned fish in the family Cyprinidae. It is a cave-dwelling, blind species only known from the Yiliang County, Yunnan, China. Its ma ...

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Cobitidae Cobitidae, also known as the True loaches, is a family of Old World freshwater fish. They occur throughout Eurasia and in Morocco, and inhabit riverine ecosystems. Today, most "loaches" are placed in other families (see below). The family includ ...

*** '' Cryptotora thamicola'' *** ''

Nemacheilus troglocataractus The Blind cave loach (''Nemacheilus troglocataractus'') is a species of troglobitic stone loach endemic to Thailand. It is only known from one subterranean stream in the Sai Yok Noi cave, which also is inhabited by ''Pterocryptis ''Pterocryp ...

'' *** '' Nemacheilus starostini'' *** '' Schistura spiesi'' *** '' Schistura oedipus'' *** '' Schistura deansmarti'' *** '' Schistura kaysonei'' *** '' Oreonectes anophthalmus'' *** '' Heminoemacheilus hyalinus'' *

Percopsiformes The Percopsiformes are a small order of ray-finned fishes, comprising the trout-perch and its allies. It contains just ten extant species, grouped into seven genera and three families. Five of these genera are monotypic In biology, a mono ...

Amblyopsidae The Amblyopsidae are a fish family commonly referred to as cavefish, blindfish, or swampfish. They are small freshwater fish found in the dark environments of caves (underground lakes, pools, rivers and streams), springs and swamps in the easter ...

*** '' Amblyopsis rosae'' *** '' Amblyopsis spelaea'' *** ''

Chologaster cornuta ''Chologaster cornuta'', commonly named swampfish, ricefish, or riceditch killifish, is a freshwater fish of the Family (biology), family Amblyopsidae. It is the only living species of the genus ''Chologaster''. It only lives in US rivers in the ...

'' *** '' Forbesichthys agassizii'' *** '' Speoplatyrhinus poulsoni'' *** ''

Typhlichthys subterraneus ''Typhlichthys subterraneus'', the southern cavefish, is a species of cavefish in the family Amblyopsidae endemic to karst regions of the eastern United States. Taxonomy ''T. subterraneus'' is a one of five obligate troglobitic species in Ambl ...

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Siluriformes Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of Actinopterygii, ray-finned fish. Named for their prominent barbel (anatomy), barbels, which resemble a cat's whiskers, catfish range in size and behavior from ...

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, madto ...

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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 ...

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Prietella phreatophila The Mexican blindcat (''Prietella phreatophila''), in Spanish ''bagre de muzquiz'', is a species of North American freshwater catfish (family Ictaluridae). Until recently, it was believed to be endemic to Coahuila in the Rio Grande, Rio Bravo dra ...

'' ***'' Prietella lundbergi'' ***'' Satan eurystomus'' **

Trichomycteridae Trichomycteridae is a family of catfishes commonly known as pencil catfishes or parasitic catfishes. This family includes the candiru fish (''Vandellia cirrhosa''), feared by some people for its alleged habit of entering into the urethra of hum ...

***'' Cetopsis caecutiens'' ***''

Phreatobius cisternarum ''Phreatobius cisternarum'' is a species of catfish in the genus ''Phreatobius''. This Brazilian fish is one of the few fish species that Cavefish, live underground in phreatic habitats. It has proved problematic in its classification.Muriel-Cunh ...

'' ***'' Pareiodon microps'' ***''

Phreatobius sanguijuela ''Phreatobius sanguijuela'' is a South American species of heptapterid catfish that lives in underground waters. This species was first discovered in a hand-dug well located within the Paragúa River drainage, a tributary of the Guaporé (It ...

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Phreatobius dracunculus ''Phreatobius dracunculus'' is a species of catfish in the genus ''Phreatobius''. ''Phreatobius dracunculus'' was discovered from an artificial well in the village of Rio Pardo, located in the drainage area of the Rio Branco (Rio Madeira system ...

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Pimelodidae The Pimelodidae, commonly known as the long-whiskered catfishes, are a family of catfishes ( order Siluriformes). Taxonomy The family Pimelodidae has undergone much revision. Currently, it contains about 30 genera and about 90 recognized and kno ...

***'' Caecorhamdia urichi'' ***'' Caecorhamdella brasiliensis'' ***''

Pimelodella kronei ''Pimelodella kronei'' is a species of three-barbeled catfish endemic to Brazil. Discovered by the German naturalist Sigismund Ernst Richard Krone, it was the first troglobitic fish described in Brazil, but several others have been described lat ...

'' ** Clariidae ***'' Channallabes apus'' ***'' Dolichallabes microphthalmus'' ***'' Gymnallabes tihoni'' ***'' Horaglanis Krishnai'' ***''

Uegitglanis zammaranoi ''Uegitglanis zammaranoi'' is the only species of catfish ( order Siluriformes) in the genus ''Uegitglanis'' of the family Clariidae. It is endemic to Somalia, where it only occurs in caves near the Jubba and the Shebelle Rivers. This species g ...

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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 ...

** Diceratiidae ***''

Bufoceratias wedli ''Bufoceratias wedli'' is a deepsea anglerfish found in the mesopelagic The mesopelagic zone (Greek μέσον, middle), also known as the middle pelagic or twilight zone, is the part of the pelagic zone that lies between the photic epipela ...

'' ** Neoceratiidae ***'' Neoceratias spinifer'' ** Ceratiidae ***'' Cryptopsaras couesii'' ***''

Ceratias holboelli ''Ceratias'' is a small genus of seadevils. Species There are currently three recognized species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A spec ...

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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 ...

** Aphyonidae ***'' Aphyonus gelatinosus'' ***'' Aphyonus mollis'' ***'' Barathronus bicolor'' ***'' Barathronus parfaiti'' ***'' Barathronus affinis'' ***'' Barathronus diaphanus'' ** Bythitidae ***'' Ogilbia galapagosensis'' ***'' Dermatopsis macrodon'' ***'' Dipulus caecus'' **

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 ...

***'' Leucicorus lusciosus'' ***'' Leucochlamys cryptophthalmus'' ***'' Leucochlamys jonassoni'' ***'' Lucifuca subterraneus'' ***'' Monothrix polylepis'' ***'' Sciadonus pedicellaris'' ***'' Sciadonus kullenbergi'' ***'' Tauredophidium hextii'' ***''

Sciadonus cryptophthalmus ''Sciadonus'' is a genus of blind cusk eels. The generic name is derived from Greek σκίαινα (''skíaina'', “sea-fish, red mullet") and ὄνος (''onos'', "hake"). Species There are currently four recognized species in this genus: * ...

'' ***'' Typhliasina pearsi'' ***'' Tauredophidium hextii'' ***'' Typhlonus nasus'' * Synbranchiformes ** Synbranchidae ***''

Ophisternon candidum The blind cave eel (''Ophisternon candidum'') is a species of cavefish in the family Synbranchidae. It is the longest cavefish in Australia (up to ) and one of the only three vertebrates in Australia that is restricted to underground waters, the ...

'' ***'' Macrotrema caligans'' ***''

Ophisternon bengalense ''Ophisternon bengalense'' the Bengal eel, Bengal mudeel or onegill eel, is a species of fish in the family Synbranchidae. It is endemic to freshwater and brackish water rivers and swamps in Oceania and South Asia. It is normally 100 cm in ma ...

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Ophisternon infernale The blind swamp eel (''Ophisternon infernale'') is a species of fish in the family Synbranchidae. It is endemic to Mexico where it lives in cave systems and is known in Spanish as the '. The International Union for Conservation of Nature has rat ...

'' ***'' Monopterus boueti'' **

Mastacembelidae The Mastacembelidae are a family of fishes, known as the spiny eels. The Mastacembelids are part of the Order Synbranchiformes, the swamp eels, which are part of the Actinopterygii (ray-finned fishes). In an evaluation of the family in 2004, the ...

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Mastacembelus brichardi ''Mastacembelus'' is a genus of many species of spiny eel fish from the family Mastacembelidae. They are native to Africa (c. 45 species) and Asia (c. 15 species). Most are found in rivers and associated systems (even in rapids), but there are ...

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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 ...

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 ...

***'' Caragobius urolepis'' ***'' Lethops connectens'' ***'' Luciogobius albus'' ***''

Milyeringa veritas ''Milyeringa veritas'' (commonly known as the blind gudgeon) is a species of fish in the family Milyeringidae. It is endemic to groundwater and anchialine systems in caves in the Cape Range, Australia. Like other cave-adapted fish, the blind ...

'' ***'' Typhleotris madagascariensis'' ***'' Caragobius urolepis'' ** Gobioididae ***'' Brachyamblyopus brachysoma'' ***'' Brachyamblyopus multiradiatus'' ***'' Brachyamblyopus coectus'' ***'' Brachyamblyopus urolepis'' ***'' Brachyamblyopus intermedius'' ***''

Taenioides cirratus ''Taenioides cirratus'',the Bearded worm goby, is a species of worm goby native to the Indian Ocean and the western Pacific Ocean from islands offshore of eastern Africa to New Caledonia and from Japan to Australia. This species can be found in ...

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Taenioides eruptionis ''Taenioides'' is a genus of gobies native to fresh, brackish, and marine waters of the coastal areas of the Indian Ocean and the western Pacific Ocean. Species Thirteen recognized species are in this genus: * '' Taenioides anguillaris'' (Linnae ...

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Taenioides anguillaris ''Taenioides'' is a genus of gobies native to fresh, brackish, and marine waters of the coastal areas of the Indian Ocean and the western Pacific Ocean. Species Thirteen recognized species are in this genus: * '' Taenioides anguillaris'' (Linnae ...

'' ***'' Taenioidesrubicundus'' ***'' Trypauchen vagina'' ***'' Trypauchen raha'' ***'' Trypauchen taenia'' ***'' Trypauchenichthys sumatrensis'' ***'' Trypauchenichthys typus'' ***'' Paratrypauchen microcephalus'' **

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 ...

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 ...

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Typhlachirus caecus ''Typhlachirus caecus'' is a species of sole native to the coastal waters of Indonesia. This species grows to a length of TL. This species is the only known member of its genus Genus ( plural genera ) is a taxonomic rank used in the b ...

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Cetomimiformes The Cetomimiformes or whalefishes are an order of small, deep-sea ray-finned fish. Some authoritiesE.g. Nelson (2006) include the whalefishes as part of the order Stephanoberyciformes, within the superfamily Cetomimoidea. Their sister order, the ...

** Cetominidae ***''

Ditropichthys storeri ''Ditropichthys storeri'' is a species of flabby whalefish Cetomimidae is a family of small, deep-sea cetomimiform fish. They are among the most deep-living fish known, with some species recorded at depths in excess of . Adults are known as ...

References

External links

* {{diversity of fish Blind animals

Blind fish species

Agnathans Agnatha (, Ancient Greek 'without jaws') is an infraphylum of jawless fish in the phylum Chordata, subphylum Vertebrata, consisting of both present (cyclostomes) and extinct (conodonts and ostracoderms) species. Among recent animals, cyclostomes ...

Cartilaginous fishes

Bony fishes

See also

References

External links