Sailfin molly

A large molly. Males raise a dorsal fin like a sail. It needs hard, alkaline water to stay healthy.

Sailfin molly, side view

Care at a glance

Minimum tank29 gallons (110 L)
Temperature75–82°F (24–28°C)
pH7.5–8.5
How manyKeep at least 3 together
Adult size5 in (12.7 cm)
Where it livesThe middle of the tank
TypeFish

Good tank mates

Possible with care

Do not mix with

Open any pairing to see the reason.

Tank sizes that fit