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Platy, photographed on a transparent background

FreshwaterIn the market50 coinsCommon

Platy

Xiphophorus maculatus

A calm, steady mid-water fish whose males actually tolerate each other.

The Platy (Xiphophorus maculatus) is a tropical freshwater fish of the family Poeciliidae. It swims in midwater, close to the bottom. Adults grow to about 5 cm. In the aquarium it needs a tank at least 60 cm long and water at 20–26 °C.

Size
5 cm
Smallest tank
60 cm
Temperature
20–26 °C
Care
Easy

In the aquarium

Temperature20–26 °C
pH7.0–8.4
Hardness10–25 °dGH
Temperament
Peaceful
Diet
Omnivore
Activity
Moderate
Water layer
Mid water
Group
Happiest in a group of 5 or more
Plants
Plant safe
Drawn to scale in a 60 cm tank

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 litres18 of them
  • Standard90 cm · 180 litres51 of them
  • Wide120 cm · 300 litres85 of them
  • Living room180 cm · 650 litres185 of them
  • Showcase250 cm · 1,200 litres342 of them
  • Gallery300 cm · 1,440 litres411 of them

Who it lives with

In the wild

Water type
Freshwater
Climate zone
Tropical
Habitat
Midwater, close to the bottom
Aquarium trade
Traded commercially

Classification

  1. OrderCyprinodontiformes
  2. FamilyPoeciliidae
  3. GenusXiphophorus
  4. SpeciesXiphophorus maculatus

In other languages

English
Southern Platyfish
Spanish
Platy arcoíris
Russian
Пецилия красная
Japanese
サザンプラティフィッシュ
Chinese
花斑劍尾魚(滿魚)

Quick answers

Platy size: how big does it get?
Adults reach about 5 cm. Record sizes among the 15 Poeciliidae species on LumaReef: 2 cm (Tiger Teddy) to 15 cm (Sailfin molly).
Platy tank size: what is the minimum?
A tank at least 60 cm long. In LumaReef that is the Nano tank or larger.
Platy water parameters: what does it need?
Temperature 20–26 °C, pH 7.0–8.4, hardness 10–25 °dGH. Cooler than most Poeciliidae on LumaReef (22–28 °C).
Platy tank mates: what can it live with?
It gets along with 66 of the 99 freshwater species in the catalogue, such as Emperor tetra, Zebra danio, and Cherry barb.
Platy: alone or in a group?
Keep at least 5 together.
Platy and plants: is it plant safe?
Yes, it leaves plants alone.

All Poeciliidae speciesAll species A–Z

Sources

Platy: compiled from these references.