''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'' (

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'' Weigmann ''et al.'', 2016 (Bach's catshark) * '' Bythaelurus canescens'' ( Günther, 1878) (dusky catshark) * '' Bythaelurus clevai'' ( Séret, 1987) (broadhead catshark) * '' Bythaelurus dawsoni'' ( S. Springer, 1971) (New Zealand catshark) * '' Bythaelurus giddingsi'' 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'' (

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

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

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