We found 1 definitions of three-spined stickleback from 1 different sources.
Noun |
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three-spined stickleback - of rivers and coastal regions | ||
Gasterosteus aculeatus | ||
stickleback, prickleback small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research |