Eastern Mosquitofish

Gambusia holbrookii

Hardy but highly aggressive livebearing fish notorious for fin-nipping and harassing other fish. Introduced worldwide as mosquito control with disastrous ecological results. Only suitable for species tanks or as outdoor pond fish.

See Eastern Mosquitofish's tank mates →

More than a design — your whole aquarium, handled

Skapelab plans the scape and everything you need to build and run it.

A design for your tankA hand-illustrated layout, sized to your exact tank and skill level.
Stocking picked for youCompatible fish & invertebrates, chosen and quantified for the tank.
Exact shopping listEvery plant, stone and piece of gear — with how much of each to buy.
Step-by-step setupSubstrate, cycling, planting and stocking, in the right order.
Care & remindersA maintenance schedule with reminders when each task comes due.
Water-test logbookLog your parameters and track the tank on your own dashboard.
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Care at a glance

livebearerType
2.5"Adult size
15 galMinimum tank
4+Group size
aggressiveTemperament
55-79°FTemperature
6.5-8.5pH
5-25GH
omnivoreDiet
topSwimming zone
easyCare level
NoPlant-safe

Build a tank for Eastern Mosquitofish

Design a complete aquascape around Eastern Mosquitofish — Skapelab picks compatible tankmates, plants, hardscape and gear, sized to your tank. Free.

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