Hydrolagus

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

Species
The 22 recognized species in this genus are: Fossil remains of the genus are known from the Miocene and Pliocene of California.
 * Hydrolagus affinis (Brito Capello (pt), 1868) (small-eyed rabbitfish)
 * Hydrolagus africanus (Gilchrist, 1922) (African chimaera)
 * 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 eidolon D. S. Jordan & C. L. Hubbs, 1925
 * Hydrolagus erithacus Walovich, Ebert & Kemper, 2017 (Robin's ghostshark)
 * Hydrolagus homonycteris Didier, 2008 (black 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 pallidus Hardy & Stehmann, 1990 (pale chimaera)
 * Hydrolagus purpurescens (C. H. Gilbert, 1905) (purple chimaera)
 * Hydrolagus trolli Didier & Séret (fr), 2002 (abyssal ghostshark)