Paradise fish

A striped relative of the betta that needs no heater. Males are aggressive and should be kept one to a tank.

Paradise fish, side view

Care at a glance

Minimum tank20 gallons (76 L)
Temperature61–79°F (16–26°C)
pH6.0–8.0
How manyMale paradise fish fight each other. Keep one per tank.
Adult size3.5 in (8.9 cm)
Where it livesNear the top
TypeFish

Good tank mates

Possible with care

Do not mix with

Open any pairing to see the reason.

Tank sizes that fit