Western Mosquitofish
Western Mosquitofish
Gambusia affinis
Actinopterygii
UNCOMMON

Stats

Lifespan
1-3 yrs
Size
Small
Diet
Insectivore
Activity
Diurnal
Social
School
Biome
Freshwater wetland
Range
North America
Movement
Swimming
Breeding
Live Birth
Defense
Speed
Status
Uncommon

About

A small livebearing freshwater fish native to the southern United States, now one of the most widely introduced fish on Earth due to its voracious appetite for mosquito larvae. Females can store sperm from a single mating and produce multiple broods of live young months later.

Life cycle

  1. 1.
    hatchling fry
    A tiny fry hatches with a yolk sac and begins free-swimming once the sac is absorbed.
  2. 2.
    juvenile
    A juvenile takes on adult body shape and feeds on small prey, often in nursery waters.
  3. 3.
    adult
    Fully grown at adult size and coloration.

Learn more

Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Actinopterygii
Order
Cyprinodontiformes
Family
Poeciliidae
Genus
Gambusia
Species
Gambusia affinis