Western Mosquitofish
Gambusia affinis ยท Poeciliidae
About this fish
- Spawning
- March, April, May, June, July, August, September and October
- Largest length
- up to 4 cm (2 inches)
- Lifespan
- up to 1 years
- Matures at
- about 0.3 years old
Values come from a national database of the United States, not Wisconsin surveys: maximum length is the species' largest recorded anywhere, and spawning months are range-wide (Wisconsin timing, in a colder climate, can be later).
USGS FishTraits 14.3 (CC0). Credit: Frimpong and Angermeier, U.S. Geological Survey.
2 open records of this fish in Wisconsin were used here.