Freshwater Fish of Connecticut
Eastern Mosquitofish
Gambusia holbrooki
Also called: Mosquitofish
Identification
Tiny olive-gray fish with an upturned mouth and rounded tail. Females are larger and may show a dark gravid spot near the rear of the abdomen.
Habitat
Shallow, slow or still waters, including vegetated margins.
Behavior
A livebearing fish feeding on small aquatic animals near the surface.
How to Catch
Not a sport-fishing target.
Notes
Introduced in Connecticut. Very similar to Western Mosquitofish; reliable identification may require specialist examination.