Guppy (Poecilia reticulata)

Fish in the family Poeciliidae. Easy care. Freshwater.

Guppy

Quick facts

Scientific namePoecilia reticulata
FamilyPoeciliidae
Also known asFancy Guppy, Millionfish, Rainbow Fish
Care levelEasy
Reef safetyFreshwater
TemperamentPeaceful
DietOmnivore
Adult size2.4 in
Minimum tank size10 gallons
Water parametersTemp 72-82°F, pH 7.0-8.0, GH 8-20 dGH

Appearance

Small, slender fish with enormous variation in fancy strains; males display vivid colors and ornate tails (delta, veiltail, lyretail) while females are larger and plainer silvery-grey.

Difficulty and care for the Guppy

Easy

Origin and habitat

Northeastern South America (introduced worldwide)

Keeper notes

Peaceful and social; keep more females than males to spread male harassment. May nip very long-finned tankmates occasionally.

Log Guppy 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 Guppy alongside everything else in your reef.