Black Molly

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Black Molly Fish

The Molly is also a very popular community tropical fish. This is one of many different variations of the Molly you can pick from. They can go from freshwater to brackish. The Molly is a very popular community aquarium fish. This lively species loves to swim around in groups which makes them stand out in a freshwater aquarium.

The photo is for illustration only - the colours and patterns pictured are examples of typical black mollies. Some may have slight speckled colouring on underbelly.

Can you keep Molly fish in salt water aquaria?
Although typically sold as a freshwater fish, yes, mollies can be adapted to live in saltwater. Mollies originate from brackish water lakes in Central and South America, where rivers and oceans meet. Sailfin, Lyretail and normal Mollies can easily transition from freshwater to brackish aquariums using basic acclimating methods, and can even be added to full marine saltwater setups using a longer and gradual slow drip method (ideally for at least 3-4 hours).

Approx. size: 1-2" / 2-5cm
Maximum size: 7cm
Origin: Southern and Central America
Ideal number kept together: 3+

Water conditions
Our conditions: temp 22 °C, pH 7.5
Ideal pH: 7.0 – 8.5
Hardness: 15 – 35°H
Ideal temperature: 21 – 29 °C

Ease of care
Easy. Mollies are hardy fish and prolific breeders, very few specific requirements.

The food we recommend is tropical fish flake. They can occasionally have frozen or live food like daphnia.

A community aquarium with similar size non-aggressive species (avoid long-finned fish or fin nippers) is ideal.

Mollies are live bearers so will spawn extremely quickly and while relatively young. Female molly fish must be monitored to ensure they are not harassed by breeding males (including their own juveniles!) 

Life Span
Assorted molly fish have an average lifespan live of 2-5 years in perfect conditions.

For more information on general fishkeeping and our shipping procedures click here.

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