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Fish Identification: Find Species

Family: Somniosidae Sleeper sharks

(See list of species below)

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17 species in
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17 species

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Scientific Name English Name Distribution Max. Length (cm) Year
Centroscymnus coelolepis Portuguese dogfish Western Atlantic 120 TL 1864
Centroscymnus crepidater Longnose velvet dogfish Eastern Atlantic 130 TL 1864
Centroscymnus macracanthus Largespine velvet dogfish Southeast Pacific 68 TL 1906
Centroscymnus owstonii Roughskin dogfish Atlantic, Pacific and Ind 121 TL 1906
Centroscymnus plunketi Plunket shark Southwest Pacific 170 TL 1910
Scymnodalatias albicauda Whitetail dogfish Eastern Indian Ocean 111 TL 1986
Scymnodalatias garricki Azores dogfish Eastern Central Atlantic 1988
Scymnodalatias oligodon Sparsetooth dogfish Southeast Pacific. 1988
Scymnodalatias sherwoodi Sherwood dogfish Southwest Pacific 80.3 TL 1921
Scymnodon ichiharai Japanese velvet dogfish Indo-West Pacific 1984
Scymnodon ringens Knifetooth dogfish Eastern Atlantic 110 TL 1864
Somniosus antarcticus Southern sleeper shark South Indo-Pacific and So 438 TL 1939
Somniosus longus Western Pacific 130.1 TL 1912
Somniosus microcephalus Greenland shark Arctic and North Atlantic 550 TL 1801
Somniosus pacificus Pacific sleeper shark North Pacific and Arctic 440 TL 1944
Somniosus rostratus Little sleeper shark Northeast Atlantic 143 TL 1827
Zameus squamulosus Velvet dogfish Atlantic, Indian and Paci 84 TL 1877

Other identification tools in FishBase

Quick Identification
Identification keys
Identification by morphometrics
Identification by pictures:
          If you already know the Family, go to Search FishBase, select Family and click on 'Identification by pictures' to display all available pictures in FishBase for the family.

          If you already know the Country, go to
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
Search FishBase, select Ecosystem and click on 'Identification by pictures' to display all available pictures in FishBase for the ecosystem.
cfm script by eagbayani, 30.11.04, ,  php script by cmilitante, 05/11/2010 ,  last modified by cmilitante, 14/03/2013