Betta (male)

One male per tank, with gentle flow and a heater.

Betta (male), side view

Care at a glance

Minimum tank5 gallons (19 L)
Temperature76–82°F (24–28°C)
pH6.5–7.5
How manyMale bettas fight each other. Keep one per tank.
Adult size2.5 in (6.4 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