Definition of mosquitofish in English:


(also mosquito fish)

Pronunciation /məˈskēdōˌfiSH/ /məˈskidoʊˌfɪʃ/


  • A small livebearing fish found chiefly in vegetated ponds and lakes and brackish waters of the US and northern Mexico.

    Also called gambusia

    Genus Gambusia, family Poecilidae: several species, in particular G. affinis, widely introduced for mosquito control. Its introduction has often resulted in the depletion of other fish populations

    ‘To battle the bugs, Sackett has turned to a natural predator - the western mosquito fish.’
    • ‘Add mosquito fish or goldfish - a 30-in. container can accommodate six fish.’
    • ‘Second, white all fish populations take a hit in their rapidly shrinking world during a drought, the smaller, omnivorous species may bounce back explosively afterward; the mosquito fish, for example, can breed every three months.’
    • ‘A crayfish and a mosquito fish imported into coastal regions near Los Angeles to cut down on mosquitoes also feed on a rare newt and may be responsible for local extinctions of this amphibian.’
    • ‘The humanitarian organization supplied Sackett with mosquito fish, equipment, and volunteer staff to help release the fish into city pools.’
    • ‘A depth of 18 and 24 inches is okay for Goldfish and mosquito fish.’
    • ‘In this case, the less attractive mosquito fish are better bets than goldfish.’
    • ‘Other exotic fish that are causing problems include the walking catfish in Florida, the mosquito fish all over the world, and the red shiner in desert streams of the southwestern U. S.’
    • ‘Unlike most other fish species, male mosquito fish possess a penis-like organ, fertilising the eggs inside the female body.’
    • ‘However, it is now an endangered species found naturally in only a few locations in the United States, primarily because of water developments and the introduction of non-native mosquito fish.’
    • ‘State-sponsored releases of mosquito fish were halted in the 1920s, but the fish are here to stay - and mosquitoes continue to flourish.’
    • ‘Add mosquito fish (often free at nurseries) to keep mosquitoes at bay.’
    • ‘In the fountain, they planted Yerba Mansa, a white coneflower-like plant, and filled the water with mosquito fish.’
    • ‘All downstream female mosquito fish showed masculinization.’
    • ‘A PhD student will be analysing mosquito fish as part of that project.’