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Mosquito Fish

Gambusia affinis · family Poeciliidae

Mosquito Fish (Gambusia affinis) — aquarium fish
Unsplash / Various photographers

Parameters

Temperature
10–30 °C
pH
6.5–8.5
Hardness
5–25 °dGH
Tank volume
from 60 L
Maximum size
up to 7 cm
Group size
min 1, ideal 6
Temperament
Semi-aggressive
Swimming zone
Top
Difficulty
Beginner
Lifespan
1–2 years
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Description

Mosquito fish — guppy relative famous as biological mosquito control. Incredibly hardy (-2…+35 °C), but aggressive toward ornamental fish.

Care

Ideal for ponds or dedicated tough tanks. Do NOT mix with guppies or bettas — clips long fins.

Feeding

Omnivorous: mosquito larvae, bloodworm, flakes. Excellent at clearing water of any insect life.

Compatibility

Compatibility data not yet available.

FAQ

Гамбузия — инвазивный вид?
Да. Запрещён к выпуску в природные водоёмы во многих странах. Используйте ТОЛЬКО в закрытых аквариумах/прудах.
Goldie editorial team — collective profile photo
AuthorGoldie Editorial

Goldie editorial team

Practising aquarists with a combined 30+ years of experience · Biologists and editors, fact-checking against FishBase and Seriously Fish · Every piece is reviewed by a qualified ichthyologist before publication

Goldie Science Board — collective scientific review panel
Reviewed byGoldie Science Board

Scientific board — ichthyologists and veterinarians

Ichthyologists and veterinarians with university degrees · Reference FishBase, Seriously Fish and peer-reviewed literature · Sign every reviewed article with their credentials shown

Sources

  1. Wikipedia: Gambusia affinis · Wikipedia · 2026-05-22