Species FishEastern Mosquitofish

Eastern Mosquitofish

Gambusia holbrooki

CommonFish
Illustration of Eastern Mosquitofish (Gambusia holbrooki)

Similar to the Western Mosquitofish, this species is small and efficient at controlling mosquito populations. They are often recognized by their dark coloration and small size.

Habitat
Commonly found in shallow freshwater environments.
Diet
Feeds on mosquito larvae and tiny aquatic organisms.
How common
Common

Recent Eastern Mosquitofish sightings near you

Live, research-grade observations from iNaturalist. Allow location to center the map on you.

Spot a Eastern Mosquitofish? Identify it instantly.

Point Huck at any plant, bird, or animal for an instant ID, its rarity, and a live map of where it is being seen near you.

Get Huck

Get an alert when a Eastern Mosquitofish is spotted

Pick a park, state, or city and we’ll email you when one turns up there. One check a day, only when there’s something new.

Free. Unsubscribe from any email. See our Privacy Policy.

Love fish? Get Huck field notes

Spotting tips, new species, and the best of what people are finding in the wild - straight to your inbox.

By subscribing you agree to receive Huck emails. No spam, unsubscribe anytime. See our Privacy Policy.

More fish

Eastern Pomfred
Eastern Pomfred
Schuettea scalaripinnis
Eastern Red Scorpionfish
Eastern Red Scorpionfish
Scorpaena jacksoniensis
Eastern Shovelnose Stingaree
Eastern Shovelnose Stingaree
Trygonoptera imitata
Eastern Smooth Boxfish
Eastern Smooth Boxfish
Anoplocapros inermis
Eastern Triangle Butterflyfish
Eastern Triangle Butterflyfish
Chaetodon baronessa
Eightband Butterflyfish
Eightband Butterflyfish
Chaetodon octofasciatus
Elegant Unicornfish
Elegant Unicornfish
Naso elegans
Emerald Shiner
Emerald Shiner
Notropis atherinoides