prickleback

English Thesaurus

1. small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research (noun.animal)

hypernym	:	acanthopterygian, spiny-finned fish,
definition	:	a teleost fish with fins that are supported by sharp inflexible rays (noun.animal)

hyponym	:	gasterosteus aculeatus, three-spined stickleback,
definition	:	of rivers and coastal regions (noun.animal)

hyponym	:	gasterosteus pungitius, ten-spined stickleback,
definition	:	confined to rivers (noun.animal)

member meronym	:	family gasterosteidae, gasterosteidae,
definition	:	sticklebacks (noun.animal)

2. small elongate fishes of shallow northern seas; a long dorsal fin consists entirely of spines (noun.animal)

hypernym	:	blennioid, blennioid fish,
definition	:	elongated mostly scaleless marine fishes with large pectoral fins and reduced pelvic fins (noun.animal)

hyponym	:	lumpenus lumpretaeformis, snakeblenny,
definition	:	found in Arctic and northern Atlantic waters (noun.animal)

hyponym	:	eelblenny,
definition	:	eellike fishes found in subarctic coastal waters (noun.animal)

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