Platy

Xiphophorus maculatus

Illustration of platy

The platy (Xiphophorus maculatus) is a peaceful fish that grows to about 2.5 inches and spends its time in mid-water. Keep at least 3 together, in a tank of 10 gallons or more, at 70–80°F and pH 7–8.2.

10 galsmallest tank
2.5″adult size
70–80°Ftemperature
7–8.2pH
3+group size
Peacefultemperament
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Good tankmates

Avoid

  • ✕Paradise fish: Paradise fish is aggressive and best kept alone.
  • ✕Convict cichlid: Convict cichlid is aggressive and best kept alone.
  • ✕Oscar: Oscar is aggressive and best kept alone.
  • ✕Kuhli loach: Platy and Kuhli loach prefer different water (pH 7–8.2 vs 5.5–6.5).
  • ✕Pea puffer: Pea puffer is aggressive and best kept alone.

From TankCoach's own species data: common hobby guidance for adults, rounded. Individual fish vary. Not veterinary advice.