Squaliformes - sleeper sharks, dogfish sharks |
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 There are around 115 species in this family. They have two dorsal fins, five pairs of gill slits, and no anal fin. Some species have spines on one or both of their dorsal fins. They have torpedo-shaped bodies and are found in all the world oceans, usually in deep water. They bear live young and eat fish, squid, and crustaceans. They range in size from less than a foot to over 20 feet.
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