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MOSQUITOFISH

Gambusia holbrooki

Illustration of a Mosquitofish
Illustration by Dave Neely

The Mosquitofish is a member of the Topminnow family (Poeciliidae). As the name implies, this species has been known to control mosquito populations by feeding on pupal and larval stags.

The map below shows presence (green circles) of this species in the 1995-2019 MBSS dataset.

Distribution of Mosquitofish in Maryland (MBSS data):

Map of Maryland showing sampling locations for MOSQUITOFISH

The MBSS has collected the following fishes in the family Poeciliidae:

Common Name Genus & species
Eastern Mosquitofish Gambusia holbrooki
Mosquitofish Gambusia holbrooki