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Family
Squalidae (Dogfish sharks)
Species Currently in the DFL
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About This Family
Distribution:
Circumglobal
Habitat:
Marine
Remarks:
Dogfish sharks are distributed worldwide. Their distinctive features include small, cylindrical bodies; smooth dorsal fin spines, not grooved; similar size teeth on lower and upper jaw; upper precaudal pit present; anal fin absent; denticles skin; and caudal peduncle with a pair of lateral keels.
The Squalidae family contains two genera and about 10 species.
References
Nelson 2006; Robertson & Allen 2008 (Smithsonian Tropical Research Institute)