Guppy (Poecilia reticulata)
Fish in the family Poeciliidae. Easy care. Freshwater.
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.