Fish Identification: Find Species

Class: Elasmobranchii
Order: Squaliformes
Family: Somniosidae Sleeper sharks

Genus: Somniosus

(See list of species below)


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6 species (see list below)
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Photo by Reyes, P.

South Indo-Pacific and So
Max. Length 438 cm TL
Somniosus antarcticus Whitley, 1939

Photo by Photo by Reyes, P.
 
Somniosus antarcticus
[Southern sleeper shark]
No picture found

Max. Length 14.7 cm TL
 
Somniosus cheni
[Taiwan sleeper shark]
No picture found

Max. Length 130.1 cm TL
 
Somniosus longus
[Frog shark]

Photo by FAO

Arctic and North and Cent
Max. Length 550 cm TL
Somniosus microcephalus (Bloch & Schneider, 1801)

Photo by Photo by FAO
 
Somniosus microcephalus
[Greenland shark]

Photo by Gadig, O.B.F.

North Pacific and Arctic
Max. Length 440 cm TL
Somniosus pacificus Bigelow & Schroeder, 1944

Photo by Photo by Gadig, O.B.F.
 
Somniosus pacificus
[Pacific sleeper shark]

Photo by Cambraia Duarte, P.M.N. (c)ImagDOP

Eastern Atlantic and the
Max. Length 143 cm TL
Somniosus rostratus (Risso, 1827)

Photo by Photo by Cambraia Duarte, P.M.N. (c)ImagDOP
 
Somniosus rostratus
[Little sleeper shark]


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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 cheni Taiwan sleeper shark Northwest Pacific 14.7 TL 2020
Somniosus longus Frog shark Western Pacific 130.1 TL 1912
Somniosus microcephalus Greenland shark Arctic and North and Cent 550 TL 1801
Somniosus pacificus Pacific sleeper shark North Pacific and Arctic 440 TL 1944
Somniosus rostratus Little sleeper shark Eastern Atlantic and the 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.
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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