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Fish Identification: Find Species

Class: Holocephali
Order: Chimaeriformes
Family: Chimaeridae Shortnose chimaeras or ratfishes

Genus: Hydrolagus

(See list of species below)



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26 species in
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26 species

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Scientific Name English Name Distribution Max. Length (cm) Year
Hydrolagus affinis Smalleyed rabbitfish Northeast Atlantic 130 TL 1868
Hydrolagus africanus African chimaera Western Indian Ocean 67 TL 1922
Hydrolagus alberti Eastern Atlantic 54 SL 1951
Hydrolagus alphus Eastern Central Pacific 48 TL 2006
Hydrolagus barbouri Northwest Pacific 1908
Hydrolagus bemisi Southwest Pacific 111.5 TL 2002
Hydrolagus colliei Spotted ratfish Northeastern Pacific 100 TL 1839
Hydrolagus deani Philippine chimaera Western Central Pacific 73 TL 1912
Hydrolagus eidolon Northwest Pacific 1925
Hydrolagus erithacus Robin’s ghostshark Southeastern Atlantic and 144.2 TL 2017
Hydrolagus homonycteris Black ghostshark Southern Ocean 108.5 TL 2008
Hydrolagus lemures Blackfin ghostshark Indo-West Pacific 88 TL 1939
Hydrolagus lusitanicus Northeast Atlantic 117.7 OT 2005
Hydrolagus macrophthalmus Big eye chimaera Eastern Pacific 63.9 TL 1959
Hydrolagus marmoratus Western Pacific 80.1 TL 2008
Hydrolagus matallanasi Striped rabbitfish Southwestern Atlantic 69.5 TL 2004
Hydrolagus mccoskeri Galápagos Ghost Shark Eastern Central Pacific 38.1 TL 2006
Hydrolagus melanophasma Eastern Pacific Black Ghostshark Eastern Pacific Ocean 120 TL 2009
Hydrolagus mirabilis Large-eyed rabbitfish Eastern Atlantic 41 SL 1904
Hydrolagus mitsukurii Spookfish Northwest Pacific 1904
Hydrolagus novaezealandiae Dark ghost shark Southwest Pacific 96 TL 1911
Hydrolagus ogilbyi Ogilbys ghostshark Eastern Indian Ocean and 85 WD 1898
Hydrolagus pallidus Northeast Atlantic 1990
Hydrolagus purpurescens Purple chimaera Pacific Ocean 1905
Hydrolagus trolli Pointy-nosed blue chimaera Western Pacific 120.4 TL 2002
Hydrolagus waitei Eastern Indian Ocean 1907



Other identification tools in FishBase


Quick Identification
Identification keys
Identification by morphometrics
Identification by pictures:
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Search FishBase, select Country and click on 'Identification by pictures' to display all available pictures in FishBase for the country.

          If you already know the Ecosystem, go to
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cfm script by eagbayani, 30.11.04, ,  php script by cmilitante, 05/11/2010 ,  last modified by cmilitante, 14/03/2013