prickleback

Thesaurus

Noun	1.	prickleback - small elongate fishes of shallow northern seas; a long dorsal fin consists entirely of spinesblennioid, blennioid fish - elongated mostly scaleless marine fishes with large pectoral fins and reduced pelvic finsLumpenus lumpretaeformis, snakeblenny - found in Arctic and northern Atlantic waterseelblenny - eellike fishes found in subarctic coastal waters
	2.	prickleback - small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much researchsticklebackfamily Gasterosteidae, Gasterosteidae - sticklebacksGasterosteus aculeatus, three-spined stickleback - of rivers and coastal regionsGasterosteus pungitius, ten-spined stickleback - confined to riversacanthopterygian, spiny-finned fish - a teleost fish with fins that are supported by sharp inflexible rays

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