Black Molly

Poecilia sphenops

Also known as: Midnight Molly, Common Black Molly

A variety of Molly

An all-black molly that makes a bold contrast in community tanks and grazes on algae.

Water

Freshwater

Temperature

72–82°F

pH

7–8.5

Hardness

15–30 dGH

Max size

4 in

Min tank

20 gal

Temperament

Peaceful

Social

Groups (3+)

Swim level

All

Diet

Omnivore

Care level

Beginner

Lifespan

3-5 years

Breeding

Livebearer

Suitability

Common

Origin

Cultivated form (wild species: molly, Mexico and Central America)

Needs hard, alkaline water and warm temperatures; soft water leads to health problems. Keep more females than males and provide some vegetable matter in the diet. Tolerates a little aquarium salt. Breeds readily.