Can platies live with goldfish?

⚠️ Caution Sometimes, with care
PlatyFancy goldfish
Temperature68–79 °F (20–26 °C)68–73 °F (20–23 °C)
pH7–8.27–8
Adult size2.4 in (6 cm)7.9 in (20 cm)
TemperamentPeacefulPeaceful
Swims inMiddleAll levels
Minimum tank20 gal20 gal

Shared temperature: 68–73 °F (20–23 °C) · Shared pH: 7–8

Tips if you keep them together

See all platy tank mates and fancy goldfish tank mates, or add more species in the checker.

Data: Seriously Fish, FishBase, Aqueon care sheet, Wikipedia. Last reviewed 2026-11-04.

FAQ

Can platies live with goldfish?

Sometimes, with care. An adult fancy goldfish (up to 20 cm) may try to eat smaller platy (6 cm), especially at night. Goldfish are coldwater fish that produce a lot of waste; they are usually kept only with other goldfish.

What temperature for platies and goldfish?

Platy: 68–79 °F (20–26 °C). Fancy goldfish: 68–73 °F (20–23 °C). Shared range: 68–73 °F (20–23 °C).

What size tank for platies and goldfish?

At least 20 US gallons, more as you add fish.

Note: Compatibility depends on individual temperament, tank size, decor and how fish are introduced. Our verdicts use conservative rules applied to published care data (see methodology). They are guidance, not a guarantee. Quarantine new fish and watch for chasing, torn fins or hiding.