Threadfin Rainbowfish

Threadfin Rainbowfish make superb additions to the peaceful softwater community aquarium. They are best maintained in small groups, ideally of at least 6 specimens, with two females to every male. The females are very pretty fish, but it is the males with their elongated dorsal and anal finnage that are the most eye-catching. Keeping a mixed sex group often results in the males displaying quite stunning colouration whilst displaying to the females, so as to ‘out-do’ rival males. The tank itself should be at least 2ft long and darkly furnished with a good amount of bogwood and plant cover, both rooted and floating. Frequent partial water changes are a must, and gentle water circulation should be provided. Tankmates must be small and peaceful and not of a fin-nipping nature.

Min. Qty: 4

Purchase Size: Medium

SKU: FK_OFJRQ2966 Categories: , Scientific Name:
Distribution Northern Australia, Indonesia and Papua New Guinea.
Sexual Dimorphism Males larger and with more elaborate finnage.
Maximum Size 4cm (1.6″)
Water Parameters Soft and slightly acidic is best. pH: 5.5-7.0, dH: up to 12 degrees.
Temperature 25-30 deg C (77-86 deg F)
Compatibility Community
Special Requirements Soft, acidic water required.
Lighting Medium


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