Hydrolagus
Hydrolagus is a genus of fish in the family Chimaeridae found in the Atlantic, Indian and Pacific Oceans.File:Deep sea chimaera.jpg|thumb|Deep-sea chimaera photographed by the NOAAS Okeanos Explorer. Visible on its snout are tiny pores which lead to electroreceptor cells.
Species
The 22 recognized species in this genus are:- Hydrolagus affinis
- Hydrolagus africanus
- Hydrolagus alberti Bigelow & Schroeder, 1951
- Hydrolagus alphus Quaranta, Didier, Long & Ebert, 2006
- Hydrolagus barbouri
- Hydrolagus bemisi Didier, 2002
- Hydrolagus colliei
- Hydrolagus eidolon D. S. Jordan & C. L. Hubbs, 1925
- Hydrolagus erithacus Walovich, Ebert & Kemper, 2017
- Hydrolagus homonycteris Didier, 2008
- Hydrolagus lusitanicus T. Moura, I. M. R. Figueiredo, Bordalo-Machado, A. C. Almeida & Serrano-Gordo, 2005
- Hydrolagus macrophthalmus F. de Buen, 1959
- Hydrolagus marmoratus Didier, 2008
- Hydrolagus matallanasi Soto & Vooren, 2004
- Hydrolagus mccoskeri L. A. K. Barnett, Didier, Long & Ebert, 2006
- Hydrolagus melanophasma K. C. James, Ebert, Long & Didier, 2009
- Hydrolagus mirabilis
- Hydrolagus mitsukurii
- Hydrolagus novaezealandiae
- Hydrolagus pallidus Hardy & Stehmann, 1990
- Hydrolagus purpurescens
- Hydrolagus trolli Didier & Séret, 2002