Save the Little Fish

Saving the world’s tropical fish, one tank at a time.

Livebearers · Xiphophorus

Platy

Xiphophorus maculatus · Atlantic slope of Mexico and Central America

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The Platy (Xiphophorus maculatus) is a freshwater fish from Atlantic slope of Mexico and Central America, where it lives in stream habitat. Adults reach about 5 cm (2 in). Keep it at 20–26 °C (68–79 °F) and pH 7–8.2, in calm water. It is peaceful and does best in a group of 3 or more. It eats most foods: flakes, small pellets and frozen foods.

At a glance

Water temperature

20–26 °C 68–79 °F

pH

7–8.2 hard, alkaline water

Adult size

5 cm 2 in

Swims

Mid-water and top mostly in open water

Keep together

3 or more a shoal feels safe

Current

Calm still or slow water

Food

Eats most foods

Temperament

Peaceful

≈ Every value here is an estimate from typical hobby ranges. We're checking them against sources.

Where it comes from

Home water

Atlantic slope of Mexico and Central America

Lives in stream habitat.

The dot marks where it's collected. Home from iNaturalist native sightings (14). Map: Natural Earth.

Tank mates

Checked against a roomy 300 L planted tank with low flow and plenty of caves. Your own tank may change the answer: try it in Your tanks.

In the hobby

In stock now

Not in stock at any store we track.

From keepers

Notes appear here when a keeper shares a tank with this fish and writes about it.

Questions keepers ask

How big does a Platy get?

About 5 cm (2 in) as an adult.

What temperature does a Platy need?

20–26 °C (68–79 °F).

What pH does a Platy need?

pH 7–8.2.

Does a Platy need to be kept in a group?

Yes. Keep at least 3.

Is the Platy aggressive?

No. It is peaceful with fish that suit the same water.

What does a Platy eat?

It eats most foods: flakes, small pellets and frozen foods.

Where does the Platy come from?

Atlantic slope of Mexico and Central America.

What fish can live with a Platy?

Good tank mates include Peppermint bristlenose (L181), Flash pleco (L204), Amano shrimp, Bolivian ram, Bronze corydoras.

All the numbers

Temperature min (°C)20 Estimate
Temperature max (°C)26 Estimate
pH min7 Estimate
pH max8.2 Estimate
Adult size (cm)5 Estimate
FlowLow Estimate
Habitatstream Estimate
Smallest happy group3 Estimate
TemperamentPeaceful Estimate
DietOmnivore Estimate
Typical price min (CAD)2 Estimate
Typical price max (CAD)5 Estimate

Some values are estimates from typical hobby ranges and haven't been checked against a source yet.

Other Xiphophorus