Variable Platyfish (Xiphophorus variatus)

Family: Poeciliidae

Variable Platyfish — a Poeciliidae from Central and North America and Mexico, easy-going community fish with lively breeding. Reaches 5.2–7.7 cm; loose colonies; heavy planting shelters the fry. 15–25 °C.

Care parameters

Water temperature
15–25 °C
pH
7–8
GH hardness
9–19 dGH
Adult length
5.2–7.7 cm
Minimum tank
71 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Easy-going community fish with lively breeding
Origin
Central and North America and Mexico

Species overview

Xiphophorus variatus, a member of the family Poeciliidae, comes from Central and North America and Mexico, where it inhabits warm freshwater streams and lakes. Easy-going community fish with lively breeding and unfussy — quality flakes, some greens, occasional treats, it grows to 5.2–7.7 cm and adapts well to a properly set-up aquarium in the 15–25 °C range. Other Xiphophorus species in our database include Xiphophorus hellerii, Xiphophorus maculatus.

Native biotope

Habitat
Warm freshwater streams and lakes
Flow
Still to gentle current
Dissolved O₂
Moderate oxygen levels

Aquascape & hardware

Substrate
Fine sand and gravel
Hardscape
Driftwood and smooth stones
Plants
Hardy common aquarium plants

Temperament, diet & tankmates

Schooling
Loose colonies; heavy planting shelters the fry
Diet
Unfussy — quality flakes, some greens, occasional treats
Recommended tankmates
  • Other peaceful community fish — Ignore the endless fry
Avoid keeping with
  • Fin-nippers — Constant harassment exhausts females

Breeding & notes

Sexual dimorphism
Subtle external differences
Breeding method
Livebearer — females deliver 20–100 fry every few weeks

Frequently asked questions

Is Variable Platyfish easy to keep?

Intermediate difficulty. Easy-going community fish with lively breeding; loose colonies; heavy planting shelters the fry.

What temperature and water chemistry does Variable Platyfish need?

Aim for 15–25 °C. Stable temperature matching the species origin; 15–25 °C recorded range.

How big does Variable Platyfish get, and what tank size?

Expect 5.2–7.7 cm as an adult, living bottom-dwelling. A 71 L tank or larger gives it room.

What does Variable Platyfish eat?

Unfussy — quality flakes, some greens, occasional treats. It forages naturally over fine sand and gravel, so let some food reach the bottom.

Can Variable Platyfish live with other fish?

Yes, with care. Easy-going community fish with lively breeding — pair it with Other peaceful community fish — Ignore the endless fry and skip Fin-nippers — Constant harassment exhausts females.

Where does Variable Platyfish come from?

Its home waters are Central and North America and Mexico — warm freshwater streams and lakes, with still to gentle current.

Does Variable Platyfish jump?

Not a noted jumper — a standard cover still keeps dust and spray in.

How does Variable Platyfish breed?

In the aquarium: livebearer — females deliver 20–100 fry every few weeks. Subtle external differences.