Black Molly

The Black Molly is one of the most popular livebearing fish in the aquarium hobby, loved for its deep jet-black coloration, peaceful nature, and active personality. Hardy, adaptable, and easy to care for, Black Mollies are an excellent choice for both beginner and experienced fishkeepers looking to add contrast and movement to a community aquarium.

Their solid black appearance stands out beautifully against green aquatic plants, natural driftwood, and lighter substrates, making them a favourite for planted aquariums and aquascaped displays.

Why Choose Black Mollies?

Striking Jet-Black Colouration: Their rich black colouring creates a bold contrast in any aquarium.

Active Community Fish: Constantly on the move, Black Mollies bring activity and life to the aquarium.

Beginner Friendly: Hardy and adaptable, making them an excellent choice for newer hobbyists.

Livebearing Species: Healthy adults can reproduce readily in suitable aquarium conditions.

Scientific Name: Poecilia sphenops
Adult Size: 6 - 10 cm
Minimum Tank Size: 75 Liters
Water Temperature: 24°C - 28°C
pH Range: 7.0 - 8.5
Water Hardness: 10 - 30 dGH
Temperament: Peaceful
Diet: Omnivore - High-quality flakes, pellets, algae-based foods, vegetables, and frozen foods

Habitat & Tankmate Recommendations

Black Mollies thrive in well-maintained aquariums with open swimming areas, live plants, and stable water conditions. They appreciate a varied diet containing both plant and protein-based foods to maintain their health and vibrant coloration.

Ideal Companions: Pair with

Platies
Swordtails
Guppies
Corydoras
Bristlenose Plecos
Peaceful Tetras
Rainbowfish

Note: Black Mollies prefer harder, more alkaline water than many South American species. Always ensure tank mates share similar water parameter requirements.