stickleback
1.
(
noun
) small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research
Synonyms:
prickleback
Related Words:
Gasterosteus aculeatus
,
Gasterosteus pungitius
,
acanthopterygian
,
spiny-finned fish
,
ten-spined stickleback
,
three-spined stickleback
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