Harlequin Rasbora

lg 89920 Harlequin Rasbora
Latin name: (Rasbora heteromorpha)

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Preferred Conditions


Avg. Max Size


Minimum Tank Size

10 gallons



The Harlequin Rasbora is a beautiful and unique fish that stands out from the rest! Its black “pork chop” shaped patch and copper/orange body makes it easily recognizable in an aquarium. The patch on the male Harlequin Rasbora is straight, whereas the patch on the female is slightly rounded at the bottom with an extended tip. Juveniles will darken as they mature and the female is also larger than the male. With the proper care and environment, the Harlequin Rasbora can make a vibrant and captivating addition to any aquarium. Furthermore, this species is very peaceful and can be kept with a wide variety of other fish.

The Harlequin Rasbora is a great choice for an aquarium as they are relatively hardy fish that will thrive in a wide range of water conditions. They should be provided with plenty of hiding places to feel secure and can easily adapt to any type of planted aquarium. Their schooling behavior is a great addition to any community tank and they are very peaceful fish, making them the perfect choice for the home aquarium. With the right care and maintenance, the Harlequin Rasbora can live for up to 5 years and will make a great addition to any home aquarium. Furthermore, their unique and vibrant colors add a touch of beauty to your tank.

Rasbora heteromorpha generally spawns on the undersides of broad-leaved plants. In order to encourage spawning, pair a young (9-12 months old) female Harlequin Rasbora with a two-year old male and offer live food items. After spawning, remove the parents and keep the aquarium dark until the eggs hatch (after about 24 hours). Feed the fry infusoria.

Gill's Fish