dogfish

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dogfish Shark found in marine waters worldwide. Generally greyish with white spots, it lacks a lower tail lobe. Eggs are laid in cases (mermaids' purses). Dogfish are divided into two groups: spiny, with a stout, sharp spine in front of each dorsal fin; and spineless, without a spine in front of the second dorsal fin. A food fish, they are sold as rock salmon. Length: spiny, 0.6–1.2m (2–4ft); spineless, 7.3m (24ft). Suborder Squalidae.

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