Bythitidae
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Bythitidae
The viviparous brotulas form a family, the Bythitidae, of ophidiiform fishes. They are known as viviparous brotulas as they generally bear live young, although there are indications that some species (at least '' Didymothallus criniceps'') do not.Nielsen; Schwarzhans; and Hadiaty (2009). A blind, new species of Diancistrus (Teleostei, Bythitidae) from three caves on Muna Island, southeast of Sulawesi, Indonesia. Cybium 33(3): 241–245. They are generally infrequently seen, somewhat tadpole-like in overall shape and mostly about in length, but some species grow far larger and may surpass . Although many live near the coast in tropical or subtropical oceans, there are also species in deep water and cold oceans, for example '' Bythites''. '' Thermichthys hollisi'', which lives at depths of around , is associated with thermal vents. A few are fresh or brackish water cavefish: the Mexican blind brotula (''Typhliasina pearsei''), Galapagos cuskeel (''Ogilbia galapagosensis''), ...
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Cavefish
Cavefish or cave fish is a generic term for fresh and brackish water fish adapted to life in caves and other underground habitats. Related terms are subterranean fish, Troglomorphism, troglomorphic fish, troglobitic fish, stygobitic fish, phreatic fish, and hypogean fish.Romero, Aldemaro, editor (2001). ''The Biology of Hypogean Fishes.'' Developments in Environmental Biology of Fishes. Helfman, G.S. (2007). ''Fish Conservation: A Guide to Understanding and Restoring Global Aquatic Biodiversity and Fishery Resources'', pp. 41–42. Island Press. There are more than 200 Species description, scientifically described species of obligate cavefish found on all continents, except Antarctica. Although widespread as a group, many species have very small ranges and are Threatened species, threatened.Fenolio, D.B.; Zhao, Y.; Niemiller, M.L.; and Stout, J. (2013). ''In-situ observations of seven enigmatic cave loaches and one cave barbel from Guangxi, China, with notes on conservation sta ...
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Dinematichthyini
Dinematichthyini is a tribe of viviparous brotulas, which is conventionally placed within the subfamily Brosmophycinae. They are differentiated from the other tribe within that subfamily, the Brosmophycinae, by having a single pair of ossified genital claspers, having an absence or greatly reduced scales on the head and having the posterior end of the maxillary bone showing a small amount of vertical expansion. A review of the viviparous brotulas carried out in 2016 elevated the tribe to a family, the Dinematichthyidae. Abstract Genera The following genera are included in the tribe Dinematichthyini: * '' Alionematichthys'' * '' Beaglichthys'' * '' Brosmolus'' * '' Brotulinella'' * '' Dactylosurculus'' * '' Dermatopsis'' * '' Dermatopsoides'' * '' Diancistrus'' * '' Didymothallus'' * '' Dinematichthys'' * ''Dipulus ''Dipulus'' is a genus of viviparous brotulas. Species There are currently four recognized species in this genus: * ''Dipulus caecus'' Edgar Ravenswood Waite, W ...
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Didymothallus Criniceps
''Didymothallus criniceps'' is a fish species described by Werner W. Schwarzhans and Peter R. Møller in 2007. ''Didymothallus criniceps'' is part of the genus Didymothallus and the family Bythitidae The viviparous brotulas form a family, the Bythitidae, of ophidiiform fishes. They are known as viviparous brotulas as they generally bear live young, although there are indications that some species (at least '' Didymothallus criniceps'') do n .... No subspecies are listed in the Catalog of Life. References Schwarzhans, W. and P.R. Møller (2007) Review of the Dinematichthyini (Teleostei: Bythitidae) of the Indo-west Pacific. Part III. ''Beaglichthys, Brosmolus, Monothrix'' and eight new genera with .description of 20 new species., The Beagle, Records of theMuseums and Art Galleries of the Northern Territory 23:29-110. ''FishBase''. Froese R. & Pauly D. (eds), 2011-06-14 Bythitidae Taxa named by Werner W. Schwarzhans Taxa named by Peter R. Møller Fish described ...
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Lucifuga
''Lucifuga'' is a genus of viviparous brotulas. Most of the species are native to caves and sinkholes in Cuba and the Bahamas; ''L. inopinata'' from deep water off the Galápagos Islands is the only exception. The four species rated by the IUCN are all considered vulnerable. The largest species in the genus reaches about in length. Species There are currently eight recognized species in this genus: * '' Lucifuga dentata'' Poey, 1858 (Toothed Cuban cusk-eel) *'' Lucifuga gibarensis'' * '' Lucifuga inopinata'' Cohen & McCosker, 1998 * '' Lucifuga lucayana'' Møller, Schwarzhans, Iliffe & J. G. Nielsen, 2006 (Lucaya cavebrotula) * '' Lucifuga simile'' Nalbant, 1981 * '' Lucifuga spelaeotes'' Cohen Cohen () is a surname of Jewish, Samaritan and Biblical origins (see: Kohen). It is a very common Jewish surname (the most common in Israel). Cohen is one of the four Samaritan last names that exist in the modern day. Many Jewish immigrants ente ... & C. R. Robins, 1970 (New ...
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Galapagos Cuskeel
''Ogilbia galapagosensis'', the Galapagos cuskeel, is a species of fish in the family Bythitidae. It is only known from four brackish-water cave systems on Santa Cruz Island, Galápagos, Ecuador. Although usually called a cavefish Cavefish or cave fish is a generic term for fresh and brackish water fish adapted to life in caves and other underground habitats. Related terms are subterranean fish, Troglomorphism, troglomorphic fish, troglobitic fish, stygobitic fish, phreat ..., it has been argued that this label is inaccurate, as the places it inhabit also can be described as lagoon crevices. References Bythitidae Cave fish Endemic fauna of the Galápagos Islands Taxonomy articles created by Polbot Taxa named by Max Poll Taxa named by Narcisse LeLeup Fish described in 1965 {{Bythitidae-stub ...
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Brosmophycinae
Brosmophycinae is a subfamily of the viviparous brotulas. They are divided from the subfamily Bythitinae by having the dorsal fin, caudal fin and anal fin all separate whereas they are joined in the Bythitinae. It is divided into the tribes Dinematichthyini and Brosmophycini, with the first having hardened genital claspers and the second soft genital claspers. A review in 2016 elevated the Dinematichthyini to the status of a family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ... the Dinematichthyidae. Abstract References {{Taxonbar, from=Q21227048 Bythitidae Ray-finned fish subfamilies ...
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Brosmolus
The longtail cusk (''Brosmolus longicaudus'') is a species of viviparous brotula native to the reefs around Australia. This species grows to a length of SL. It is a benthic species likely living in inshore waters around the Indio-Pacific with hard substances, though its depth range is unknown. Specimens have been obtained from four locations in northern Australia (Umbanganan Island, Kalumburu, Shoal Bay and Sweers Island) and one in southern Papua New Guinea (Daru Island Daru Island is an island in the Western Province of Papua New Guinea. It is one of the Torres Strait Islands. The eponymous town on the island is the capital of the province, and houses the vast majority of the island's population of 20,524 (20 ...). It is classified as Least Concern (LC) by the IUCN; no threats or population data are known. References Bythitidae longtail cusk {{Bythitidae-stub ...
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Alionematichthys
''Alionematichthys'' is a genus of viviparous brotulas. Species There are currently 11 recognized species in this genus: * '' Alionematichthys ceylonensis'' Møller & Schwarzhans, 2008 * '' Alionematichthys crassiceps'' Møller & Schwarzhans, 2008 * '' Alionematichthys minyomma'' ( Sedor & Cohen, 1987) * '' Alionematichthys phuketensis'' Møller & Schwarzhans, 2008 * '' Alionematichthys piger'' (Alcock, 1890) * '' Alionematichthys plicatosurculus'' Møller & Schwarzhans, 2008 * '' Alionematichthys riukiuensis'' ( Aoyagi, 1954) (Bigeye cusk) * '' Alionematichthys samoaensis'' Møller & Schwarzhans, 2008 * '' Alionematichthys shinoharai'' Møller & Schwarzhans, 2008 * '' Alionematichthys suluensis'' Møller & Schwarzhans, 2008 * '' Alionematichthys winterbottomi'' Møller Møller () is a Danish surname, referring to an occupation as a Miller, equivalent of the Scottish/English ''Miller (name), Miller'', the German ''Müller'' etc. Møller is the twentieth commonest surname in ...
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Beaglichthys
''Beaglichthys'' is a genus of viviparous brotulas. Species There are currently three recognized species in this genus: * '' Beaglichthys bleekeri'' Schwarzhans & Møller, 2007 * '' Beaglichthys larsonae'' Schwarzhans & Møller Møller () is a Danish surname, referring to an occupation as a Miller, equivalent of the Scottish/English ''Miller (name), Miller'', the German ''Müller'' etc. Møller is the twentieth commonest surname in Denmark.Beaglichthys macrophthalmus'' Machida, 1993 (Beagle cusk)


References

Bythitidae {{Bythitidae-stub ...
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Hephthocara
''Hephthocara'' is a small genus of Indo-Pacific viviparous brotula. Species There are currently two recognized species in this genus: * '' Hephthocara crassiceps'' H. M. Smith & Radcliffe, 1913 * '' Hephthocara simum'' Alcock Alcock is a surname. Notable people with the surname include: * Alfred William Alcock, British naturalist * C. W. Alcock, British sports administrator, creator of the FA Cup * Charles R. Alcock, American astronomer * Deborah Alcock, British auth ..., 1892 References Bythitidae {{Bythitidae-stub ...
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Brotulinella
The Taiwan coral-brotula (''Brotulinella taiwanensis'') is a species of viviparous brotula, the only known member of its genus, found mostly in the surf zone of the waters around Taiwan and the Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ... where it lives amongst rocks. This species grows to a length of SL. References Bythitidae Fish described in 2005 {{Bythitidae-stub ...
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Dermatopsis
''Dermatopsis'' is a genus of viviparous brotulas. Species There are currently four recognized species in this genus: * '' Dermatopsis greenfieldi'' Møller & Schwarzhans, 2006 (Greenfield's mudbrotula) * '' Dermatopsis hoesei'' Møller & Schwarzhans, 2006 (Hoese's mudbrotula) * '' Dermatopsis joergennielseni'' Møller Møller () is a Danish surname, referring to an occupation as a Miller, equivalent of the Scottish/English ''Miller (name), Miller'', the German ''Müller'' etc. Møller is the twentieth commonest surname in Denmark.Schwarzhans, 2006 (Nielsen's mudbrotula) * '' Dermatopsis macrodon'' Ogilby ...
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