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Definition of 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.
Exact synonyms: Prickleback
Group relationships: Family Gasterosteidae, Gasterosteidae
Specialized synonyms: Gasterosteus Aculeatus, Three-spined Stickleback, Gasterosteus Pungitius, Ten-spined Stickleback
Generic synonyms: Acanthopterygian, Spiny-finned Fish
Group relationships: Family Gasterosteidae, Gasterosteidae
Specialized synonyms: Gasterosteus Aculeatus, Three-spined Stickleback, Gasterosteus Pungitius, Ten-spined Stickleback
Generic synonyms: Acanthopterygian, Spiny-finned Fish
Definition of Stickleback
1. n. Any one of numerous species of small fishes of the genus Gasterosteus and allied genera. The back is armed with two or more sharp spines. They inhabit both salt and brackish water, and construct curious nests. Called also sticklebag, sharpling, and prickleback.
Definition of Stickleback
1. [n -S]