Eastern Mosquitofish (Gambusia holbrooki)
Fish in the family Poeciliidae. Easy care. Freshwater.
Quick facts
Scientific nameGambusia holbrooki
FamilyPoeciliidae
Also known asSpotted Mosquitofish
Care levelEasy
Reef safetyFreshwater
TemperamentSemi Aggressive
DietOmnivore
Adult size2.8 in
Minimum tank size15 gallons
Water parametersTemp 50-86°F, pH 6.5-8.5, GH 8-30 dGH
Appearance
Similar to G. affinis but often with black-spotted melanistic males. Plain silver-grey otherwise, females larger than males.
Difficulty and care for the Eastern Mosquitofish
Easy
Origin and habitat
Southeastern United States (introduced worldwide as a pest)
Keeper notes
Aggressive fin-nipper like its western relative; globally invasive and damaging to native fauna. Never release.
Log Eastern Mosquitofish in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Eastern Mosquitofish alongside everything else in your reef.
