Harlequin Rasbora- a brilliant mix for neons or blackwater

community aquarium fish rasbora tropical aquarium

The Harlequin Rasbora ( Trigonostigma heteromorpha) is an extremely desirable aquarium addition due to its gorgeous metallic colouration and ease of care.They are easily identified by the characteristic black "lamb chop" shaped patch and beautifully lustrous copper/orange body. Having a school with 10 or more fish looks amazing with plenty of movement and colour.
They get to a size of approximately 3-4 cm and are a very peaceful species so will do well with similar community fish, for example other rasbora, smaller barbs and they are a brilliant mix of colour with neon tetras. Provide a well planted, established aquarium with plenty of swimming space as they are also a very active swimmer in the middle to upper areas of the aquarium. A low lit aquarium is best suited to these species as this mimics their natural environment and also helps to bring out the darker colours.

Harlequin are omnivores and are very active feeders. They will greedily take any prepared food offered to them including fresh or frozen bloodworm, daphnia and brine shrimp. We feed ours New Life Spectrum Freshwater Flake as a staple food.
Ideal water conditions are a pH around 6.0 to 7.0 and temperature around 23-26°C.

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