dogfish
1. primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America • Syn: bowfin, grindle, Amia calva • Hypernyms: ganoid, ganoid fish • Member Holonyms: Amia, genus Amia 2. any of several small sharks • Hypernyms: shark • Hyponyms: smooth dogfish, spiny dogfish
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