Guppy size: how big does it get?

Adults reach about 4 cm. The largest on record measured 5 cm (standard length). Record sizes among the 5 Poecilia species on LumaReef: 2 cm (Endler's livebearer) to 15 cm (Sailfin molly).

Guppy tank size: what is the minimum?

A tank at least 60 cm long. In LumaReef that is the Nano tank or larger.

Guppy water parameters: what does it need?

Temperature 22–28 °C, pH 7.0–8.4, hardness 10–25 °dGH. Close to what most Poecilia on LumaReef need (23–28 °C).

Guppy tank mates: what can it live with?

It gets along with 81 of the 99 freshwater species in the catalogue, such as Black neon tetra, Glowlight tetra, and Neon tetra.

FreshwaterIn the market70 coinsCommon

Guppy

Poecilia reticulata

Drifts below the surface, fanning its wide tail.

The Guppy (Poecilia reticulata) is a tropical freshwater fish of the family Poeciliidae. It swims in midwater, close to the bottom. Adults grow to about 4 cm; the largest on record measured 5 cm (standard length). In the aquarium it needs a tank at least 60 cm long and water at 22–28 °C.

Size: 4 cm
Smallest tank: 60 cm
Temperature: 22–28 °C
Care: Easy

In the aquarium

Temperature22–28 °C

pH7.0–8.4

Hardness10–25 °dGH

Temperament: Peaceful
Diet: Omnivore
Activity: Moderate
Water layer: Surface
Group: Happiest in a group of 3 or more
Plants: Plant safe

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

Nano60 cm · 65 litres26 of them
Standard90 cm · 180 litres72 of them
Wide120 cm · 300 litres120 of them
Living room180 cm · 650 litres260 of them
Showcase250 cm · 1,200 litres480 of them
Gallery300 cm · 1,440 litres576 of them

Who it lives with

Gets along81 species

and 57 more species

Caution7 species

Narrow shared temperature range

Not together11 species

Aggressive with peaceful

These two do not get along

Water temperatures do not overlap

In the wild

Water type: Freshwater
Climate zone: Tropical
Habitat: Midwater, close to the bottom
Largest on record: 5 cmstandard length, tail fin excluded
Aquarium trade: Traded commercially

Conservation status

Classification

OrderCyprinodontiformes
FamilyPoeciliidae
GenusPoecilia
SpeciesPoecilia reticulata
Described byPeters, 1859

In other languages

Spanish: Gupi
Dutch: Gup
Turkish: Lepistes
Russian: Гуппи
Japanese: グッピー
Chinese: 孔雀魚

Quick answers

Guppy size: how big does it get?: Adults reach about 4 cm. The largest on record measured 5 cm (standard length). Record sizes among the 5 Poecilia species on LumaReef: 2 cm (Endler's livebearer) to 15 cm (Sailfin molly).
Guppy tank size: what is the minimum?: A tank at least 60 cm long. In LumaReef that is the Nano tank or larger.
Guppy water parameters: what does it need?: Temperature 22–28 °C, pH 7.0–8.4, hardness 10–25 °dGH. Close to what most Poecilia on LumaReef need (23–28 °C).
Guppy tank mates: what can it live with?: It gets along with 81 of the 99 freshwater species in the catalogue, such as Black neon tetra, Glowlight tetra, and Neon tetra.
Guppy: alone or in a group?: Keep at least 3 together.
Guppy and plants: is it plant safe?: Yes, it leaves plants alone.