Skip Navigation

Go
Species Search:
FieldGuidesthreatened and/or endangered search resultsthreatened and/or endangered

previous  | next

Spiny Dogfish Squalus acanthias

 

enlarge +

Spiny Dogfish
credit: Doug Costa

All Images

 

Get Our Newsletters

 

Advanced Search

Family: Squalidae, Dogfish Sharks view all from this family



Description Grayish brown with white spots along back; elongated. Distinguished by two spines (one anterior to each dorsal fin); lack anal fin. Caudal fin has asymmetrical lobes, forming a heterocercal tail. Males identifiable by a pair of pelvic fins.


Dimensions Up to 5' (1.5 m).


Related Species Pacific Sleeper Shark (Somniosus pacificus).


Similar Species Horn Shark (Heterodontus francisci).


Habitat Ocean or bay shallows, Open ocean.


Range New England, Mid-Atlantic, Southeast, California, Northwest, Eastern Canada, Western Canada, Alaska.


Discussion Greenpeace International added the spiny dogfish to its seafood red list - since the species is a late maturing fish, it takes a while to rebuild the population, and have a very high risk of being sourced from unsustainable fisheries.


 

 

 

2007 eNature.com