Other identification tools | FishBase

Fish Identification: Find Species

Class: Elasmobranchii
Order: Squaliformes
Family: Somniosidae Sleeper sharks

Genus: Somniosus

(See list of species below)



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5 species in
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5 species

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Scientific Name English Name Distribution Max. Length (cm) Year
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



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