Paradise fish Tank Mates

Short answer: the best paradise fish tank mates are . Paradise fish need 50–72 °F (10–22 °C), pH 6–8 and at least 20 gallons.

Macropodus opercularis · rated against 71 species · check your own combination

Same species: Keep only one paradise fish (or one male) per tank — males fight, often to the death.

Paradise fish care at a glance

Adult size3.9 in (10 cm)
Minimum tank20 US gallons
Temperature50–72 °F (10–22 °C)
pH6–8
TemperamentAggressive
Swims inTop
Group sizeKeep one male per tank
Care levelEasy

Sources: Seriously Fish · FishBase. Last reviewed 2026-11-04.

gallon tank

✅ Compatible tank mates (0)

⚠️ Possible with caution (7)

❌ Not recommended (64)

How many paradise fish per tank?

20 gal 29 gal 40 gal 55 gal 75 gal — see what else fits with our stocking calculator.

FAQ

What fish can live with paradise fish?

Good matches include . They share a temperature range with paradise fish (50–72 °F (10–22 °C)), are a similar temperament, and are not big enough to eat each other or nip fins.

What fish should not live with paradise fish?

Avoid Cherry shrimp, Betta fish, Dwarf gourami, Guppy, Bristlenose pleco, Fancy goldfish.

What size tank do paradise fish need?

We recommend at least 20 US gallons for one paradise fish, more if you add tank mates.

Can paradise fish live alone?

Yes. Keep only one paradise fish (or one male) per tank — males fight, often to the death.

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.