Small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research. Synonym: prickleback.
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Words linked to "Stickleback" : spiny-finned fish, acanthopterygian, family Gasterosteidae, Gasterosteus pungitius, Gasterosteus aculeatus, Gasterosteidae |
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