Squalidae
From Encyclopedia Jr, free information reference for Kids
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Spiny dogfish, Squalus acanthias
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Squalidae is the family of dogfish sharks. These sharks are characterized by smooth dorsal fin spines, teeth in upper and lower jaws similar in size, caudal peduncle with lateral keels; upper precaudal pit usually present, and caudal fin without subterminal notch.
[edit] Genera
[edit] References
- "Squalidae". FishBase. Ed. Ranier Froese and Daniel Pauly. January 2006 version. N.p.: FishBase, 2006.
- Compagno, Dando, & Fowler, Sharks of the World, Princeton University Press, New Jersey 2005 ISBN 0-691-12072-2