Freshwater Fish of Connecticut

Western Mosquitofish

Gambusia affinis

Western Mosquitofish

Also called: Mosquitofish

Identification

Tiny olive-silver fish with an upturned mouth and rounded tail. Females have fuller bodies and may show a dark gravid spot.

Habitat

Shallow ponds, wetlands, and slow-water margins.

Behavior

A livebearing fish that feeds on small aquatic animals.

How to Catch

Not a sport-fishing target.

Notes

Introduced in Connecticut. Do not claim it can always be distinguished from Eastern Mosquitofish using the supplied picture.

Scroll to Top