Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun gasterosteus_aculeatus
1 sense of gasterosteus aculeatus
Sense 1
three-spined stickleback, Gasterosteus aculeatus -- (of rivers and coastal regions)
=> 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)