Variable Platy

Xiphophorus variatus

Variable Platy (Xiphophorus variatus) — Easy care, Semi-aggressive, under Livebearer & Killifish. Minimum tank in the app: 14.5 US gal min; aim for 68–79°F and pH 6.8–8.2. The Variable Platy is an engaging choice for aquarists seeking a vibrant yet manageable species.

Variable Platy (Xiphophorus variatus) in a planted freshwater aquarium
Care levelEasy
TemperamentSemi-aggressive
Min tank size14.5 US gal min
pH range6.8–8.2
Temperature68–79°F
Max size2.8 in (7.0 cm)
Captive lifespan2–5 years
SchoolingYes · 6+ recommended

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Americas / Africa (varies)

  • Africa
  • South America
  • Central America & Mexico

Regional colours match the stocking calculator’s origin map.

Variable Platy Tank Setup

Aim for a spacious layout with ample swimming room, complemented by plants and decorations that provide shelter and break lines of sight. A gentle water flow will cater to their natural habitat, and a substrate that mimics their native environment can enhance their well-being. Lighting should be moderate to highlight their vibrant colours without inducing stress.

What Do Variable Platys Eat?

Variable Platies are opportunistic feeders, often competing for food in community settings. To minimize competition, provide varied diets that include high-quality flake, frozen, and live foods.

Variable Platy Tank Mates

Ideal companions include similarly sized peaceful to semi-aggressive fish such as Tetras and Rasboras, which occupy different swim zones. Avoid aggressive species or those that may nip fins, as well as smaller fish that could be seen as prey. Within their own species, maintain a minimum group of six to mitigate aggression and promote social stability, as larger groups tend to diffuse territoriality.

Are Variable Platys Good for Beginners?

In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. Aquarists often underestimate the importance of group dynamics, leading to a failure to maintain adequate shoals, resulting in stress and aggression. neglecting water parameters can compromise their health, as fluctuations outside their preferred range can lead to disease and decreased vitality.

Building a community? Run the full list through the stocking calculator before you add anything else.

Log tests and reminders in App-aquatic—free, same data you see here.