''Bythaelurus'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

shark Sharks are a group of elasmobranch cartilaginous fish characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side, and pectoral fins that are not fused to the head. Modern sharks are classified within the ...

s belonging to the

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 ...

Pentanchidae Pentanchidae, the deepwater catsharks, is a family of sharks belonging to the order Carcharhiniformes Carcharhiniformes ( from Classical Greek ' (karcharos) 'sharp/jagged' and ' (rhinos) 'nose', plus Latin ''forme'' 'shape'), commonly known a ...

, the deepwater catsharks. The genus ''Bythaelurus'' Compagno 1988 was first described as a subgenus of ''Halaelurus'' Gill 1862 based on several morphological characteristics including a soft body with thin skin, a bluntly rounded snout without a pointed, knob-like tip, and eyes not noticeably elevated on the dorsal surface of the head. Members of this genus are generally found in deep water and have more somber body coloration.

Species

There are currently 14 recognized species in this genus: * ''

Bythaelurus alcockii The Arabian catshark (''Bythaelurus alcockii'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. It can grow up to long, and lives in open seas. It is only known from a single specimen, now lost, which was fo ...

'' (

Garman Garman is a surname or first name. Notable people with the name include: Sports * Ann Garman, All-American Girls Professional Baseball League player * Judi Garman (born 1954), American softball coach * Mike Garman (born 1949), American baseball pla ...

, 1913) (Arabian catshark) * ''

Bythaelurus bachi ''Bythaelurus bachi'', commonly known as Bach's catshark, is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. This shark is found on the southern Madagascar Ridge in the southwestern Indian Ocean The Indian ...

'' Weigmann ''et al.'', 2016 (Bach's catshark) * ''

Bythaelurus canescens The dusky catshark (''Bythaelurus canescens'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. This shark is endemic to the southeast Pacific Ocean, off the coasts of Peru and Chile. It grows to a maximum leng ...

'' ( Günther, 1878) (dusky catshark) * ''

Bythaelurus clevai The broadhead catshark (''Bythaelurus clevai'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. The only specimen, the holotype, was found off Madagascar Madagascar, officially the Republic of Madaga ...

'' ( Séret, 1987) (broadhead catshark) * ''

Bythaelurus dawsoni The New Zealand catshark (''Bythaelurus dawsoni'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks, in the order Carcharhiniformes. This species is endemic to in the deep waters around New Zealand. Its lengt ...

'' ( S. Springer, 1971) (New Zealand catshark) * ''

Bythaelurus giddingsi The jaguar catshark (''Bythaelurus giddingsi''), also known as the Galápagos catshark, is a species of shark belonging to the family Pentanchidae, the deepwater catsharks, endemic to the Galápagos Islands. The species was first described in 2012 ...

'' J. E. McCosker,

Long Long may refer to: Measurement * Long, characteristic of something of great duration * Long, characteristic of something of great length * Longitude (abbreviation: long.), a geographic coordinate * Longa (music), note value in early music mens ...

& C. C. Baldwin, 2012 (Galápagos catshark) * ''

Bythaelurus hispidus The bristly catshark (''Bythaelurus hispidus'') iis a species of shark belonging to the family Pentanchidae, the deepwater catsharks. This shark is found from southeastern India and the Andaman Islands, between latitudes 15° N and 5° N, at de ...

'' (

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 ...

, 1891) (bristly catshark) * ''

Bythaelurus immaculatus The spotless catshark (''Bythaelurus immaculatus'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks> this species is found in the South China Sea at depths between on the continental slope A continental ma ...

'' ( Y. T. Chu & Q. W. Meng, 1982) (spotless catshark) * ''

Bythaelurus incanus The sombre catshark (''Bythaelurus incanus'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. It is known from a single specimen south of Rote Island, northwestern Australia. Its natural habitat is the open sea ...

Last A last is a mechanical form shaped like a human foot. It is used by shoemakers and cordwainers in the manufacture and repair of shoes. Lasts come in many styles and sizes, depending on the exact job they are designed for. Common variations ...

& J. D. Stevens, 2008 (sombre catshark) * ''

Bythaelurus lutarius The mud catshark or brown catshark (''Bythaelurus lutarius'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. It is found in Mozambique and Somalia. Its natural habitat is the open seas of the western Indian ...

'' ( S. Springer & D'Aubrey, 1972) (mud catshark) * ''

Bythaelurus naylori The dusky snout catshark (''Bythaelurus naylori'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. This species is found from the Southwest Indian Ridge, southwestern Indian Ocean. The specimens were collected ...

Ebert Ebert is a surname of German origin. Notable people with the surname include: * Alex Ebert (born 1978), lead singer for the band Ima Robot * Anton Ebert (1845–1896), Austrian painter * Beanie Ebert (1902–1980), American football player * Blan ...

& Clerkin, 2015 (dusky snout catshark) * '' Bythaelurus stewarti'' Weigmann, Kaschner, and Thiel, 2018 (Error Seamount catshark) * '' Bythaelurus tenuicephalus'' Kaschner, Weigmann & Thiel, 2015 (narrowhead catshark) * '' Bythaelurus vivaldii'' (Vivaldi's catshark)

References

Pentanchidae Shark genera Taxa named by Leonard Compagno Taxonomy articles created by Polbot {{Shark-stub