Biology:Bythaelurus

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Short description: Genus of sharks

Bythaelurus
Bythaelurus canescens.jpg
Dusky catshark (Bythaelurus canescens)
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Subdivision: Selachimorpha
Order: Carcharhiniformes
Family: Scyliorhinidae
Genus: Bythaelurus
L. J. V. Compagno, 1988
Type species
Scyllium canescens
Günther 1878

Bythaelurus is a genus of deep-water catsharks and part of the family Scyliorhinidae. 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.[1]

Species

There are currently 14 recognized species in this genus:[2]

  • Bythaelurus alcockii (Garman, 1913) (Arabian catshark)[1]
  • Bythaelurus bachi Weigmann et al., 2016 (Bach's catshark)[3]
  • 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 & C. C. Baldwin, 2012 (Galápagos catshark)
  • Bythaelurus hispidus (Alcock, 1891) (bristly catshark)
  • Bythaelurus immaculatus (Y. T. Chu & Q. W. Meng, 1982) (spotless catshark)
  • Bythaelurus incanus Last & J. D. Stevens, 2008 (sombre catshark)
  • Bythaelurus lutarius (S. Springer & D'Aubrey, 1972) (mud catshark)
  • Bythaelurus naylori Ebert & Clerkin, 2015 (dusky snout catshark)[1]
  • Bythaelurus stewarti Weigmann, Kaschner, and Thiel, 2018 (Error Seamount catshark)[4]
  • Bythaelurus tenuicephalus Kaschner, Weigmann & Thiel, 2015 (narrowhead catshark) [5]
  • Bythaelurus vivaldii Weigmann & Kaschner, 2017 (Vivaldi's catshark)[6]

References

  1. 1.0 1.1 1.2 Ebert, D.A.; Clerkin, P.J. (2015). "A new species of deep-sea catshark (Scyliorhinidae: Bythaelurus) from the southwestern Indian Ocean". Journal of the Ocean Science Foundation 15: 53–63. http://www.oceansciencefoundation.org/josf/josf15e.pdf. 
  2. Froese, Rainer and Pauly, Daniel, eds. (2021). Species of Bythaelurus in FishBase. April 2021 version.
  3. Weigmann, Simon; Ebert, David A.; Clerkin, Paul J.; Stehmann, Matthias F.W.; Naylor, Gavin J.P. (2016). "Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification". Zootaxa 4208 (5): 401–432. doi:10.11646/zootaxa.4208.5.1. PMID 28006803. https://www.researchgate.net/publication/311804518. Retrieved 5 May 2021. 
  4. Thiel, Ralf; Kaschner, Carina Julia; Weigmann, Simon (2018-12-12). "A new microendemic species of the deep-water catshark genus Bythaelurus (Carcharhiniformes, Pentanchidae) from the northwestern Indian Ocean, with investigations of its feeding ecology, generic review and identification key" (in en). PLOS ONE 13 (12): e0207887. doi:10.1371/journal.pone.0207887. ISSN 1932-6203. PMID 30540765. 
  5. Kaschner C.J.; Weigmann S.; Thiel R. (2015). "Bythaelurus tenuicephalus n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the western Indian Ocean". Zootaxa 4013 (1): 120–138. doi:10.11646/zootaxa.4013.1.9. PMID 26623887. 
  6. Weigmann, Simon; Kaschner, Carina Julia (2017). "Bythaelurus vivaldii, a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the northwestern Indian Ocean off Somalia". Zootaxa 4263 (1): 097–119. doi:10.11646/zootaxa.4263.1.4. PMID 28609882. 

Wikidata ☰ Q574615 entry