prickleback
1. small elongate fishes of shallow northern seas; a long dorsal fin consists entirely of spines • Hypernyms: blennioid fish, blennioid • Hyponyms: snakeblenny, Lumpenus lumpretaeformis, eelblenny 2. small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research • Syn: stickleback • Hypernyms: spiny-finned fish, acanthopterygian • Hyponyms: three-spined stickleback, Gasterosteus aculeatus, ten-spined stickleback, Gasterosteus pungitius • Member Holonyms: Gasterosteidae, family Gasterosteidae
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