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mosquitofish
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Mosquito fish (Gambusia affinis) mosquitofish (Gambusia affinis) Body plans of Lampridiformes and Atheriniformes.
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Mosquito fish (Gambusia affinis)
Mosquito fish (Gambusia affinis)

mosquitofish

fish
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Also known as: Gambusia affinis
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Article History
mosquitofish (Gambusia affinis)
mosquitofish (Gambusia affinis)The mosquitofish (Gambusia affinis), a type of topminnow native to the fresh waters of the southeastern United States, bears its young alive.

mosquitofish, (Gambusia affinis), live-bearing topminnow of the family Poeciliidae (see live-bearer), native to fresh waters of the southeastern United States but widely introduced in other parts of the world for mosquito control. The hardy mosquito fish, which has a prodigious appetite for mosquito larvae, is usually light grayish but may be spotted or blotched with black. The female reaches a length of about 6.4 cm (2.5 inches), the male about 4 cm (1.5 inches).

This article was most recently revised and updated by John P. Rafferty.