stickleback

English [edit]

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Wikipedia has an article on:

Stickleback

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Wikispecies has information on:

Gasterosteus

Wikispecies

Old English and dialect stickle a prickle, spine, sting (Anglo-Saxon sticel) + back. See stick (transitive verb) and compare banstickle.

stickleback (plural sticklebacks)

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.

fish