[muh-skee-toh-fish] 
) -fish, (especially referring to two or more kinds or species) -fish⋅es. | any of several fishes that feed on mosquito larvae, as Gambusia affinis, found in the southeastern U.S., now introduced into other parts of the world for mosquito control. |
| mosquito fish n. Any of various fishes that feed on the larvae of mosquitoes, especially a small gambusia (Gambusia affinis) native to the southeast United States but introduced into many parts of the world for use in controlling mosquito populations. |
mosquito fish
(species Gambusia affinis), live-bearing topminnow of the family Poeciliidae (see live-bearer), native to freshwaters 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)
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