Hydrolagus

Hydrolagus is a genus of fish in the family Chimaeridae found in the Atlantic, Indian and Pacific Oceans.[1]

Deep-sea chimaera photographed by the NOAAS Okeanos Explorer. Visible on its snout are tiny pores which lead to electroreceptor cells.

Hydrolagus
Hydrolagus colliei
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: Chimaeriformes
Family: Chimaeridae
Genus: Hydrolagus
T. N. Gill, 1862
Type species
Chimaera colliei
Lay & Bennett, 1839

Species

The 23 recognized species in this genus are:

  • Hydrolagus affinis (Brito Capello (pt), 1868) (small-eyed rabbitfish)
  • Hydrolagus africanus (Gilchrist, 1922) (African chimaera) [2]
  • Hydrolagus alberti Bigelow & Schroeder, 1951 (gulf chimaera)
  • Hydrolagus alphus Quaranta, Didier, Long & Ebert, 2006 (whitespot ghost shark)
  • Hydrolagus barbouri (Garman, 1908) (ninespot chimaera)
  • Hydrolagus bemisi Didier, 2002 (pale ghostshark)
  • Hydrolagus colliei (G. T. Lay & E. T. Bennett, 1839) (spotted ratfish)
  • Hydrolagus erithacus Walovich, Ebert & Kemper, 2017 (Robin's ghostshark) [3]
  • Hydrolagus homonycteris Didier, 2008 (black ghostshark)
  • Hydrolagus lemures (Whitley, 1939) (bight ghostshark)
  • Hydrolagus lusitanicus T. Moura, I. M. R. Figueiredo, Bordalo-Machado, A. C. Almeida & Serrano-Gordo, 2005 (Portuguese chimaera)
  • Hydrolagus macrophthalmus F. de Buen, 1959 (bigeye chimaera)
  • Hydrolagus marmoratus Didier, 2008 (marbled ghost shark)
  • Hydrolagus matallanasi Soto & Vooren, 2004 (striped rabbitfish)
  • Hydrolagus mccoskeri L. A. K. Barnett, Didier, Long & Ebert, 2006 (Galápagos ghostshark)
  • Hydrolagus melanophasma K. C. James, Ebert, Long & Didier, 2009 (Eastern Pacific black ghostshark)
  • Hydrolagus mirabilis (Collett, 1904) (large-eyed rabbitfish)
  • Hydrolagus mitsukurii (D. S. Jordan & Snyder, 1904) (Mitsukuri's chimaera)
  • Hydrolagus novaezealandiae (Fowler, 1911) (dark ghostshark)
  • Hydrolagus ogilbyi (Waite, 1898) (Ogilby's ghostshark)
  • Hydrolagus pallidus Hardy & Stehmann, 1990 (pale chimaera)
  • Hydrolagus purpurescens (C. H. Gilbert, 1905) (purple chimaera)
  • Hydrolagus trolli Didier & Séret (fr), 2002 (abyssal ghostshark)
gollark: <:fern:492393461136359434> that's just a non-facepalming face.
gollark: Your new system removed it with stupidity.
gollark: #meta doesn't exist.
gollark: @everyone Wrong channel.
gollark: ALSO ME AS ADMĪN

References
  1. Weigmann, S. (2016): Annotated checklist of the living sharks, batoids and chimaeras (Chondrichthyes) of the world, with a focus on biogeographical diversity. Journal of Fish Biology, 88 (3): 837-1037.
  2. Walovich, K.A., Ebert, D.A., Long, D.J. & Didier, D.A. (2015): Redescription of Hydrolagus africanus (Gilchrist, 1922) (Chimaeriformes: Chimaeridae), with a review of southern African chimaeroids and a key to their identification. African Journal of Marine Science, 37 (2): 157-165.
  3. Walovich, K.A., Ebert, D.A. & Kemper, J.M. (2017): Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans. Zootaxa, 4226 (4): 509–520.


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