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threespine stickleback

[three-spahyn] /ˈθriˌspaɪn/
noun
1.
a widely distributed stickleback, Gasterosteus aculeatus, occurring in marine, brackish, or fresh waters throughout the northern hemisphere.
Also, three-spined stickleback.
Origin
1890-1895
1890-95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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