Harlequin Rasbora
Trigonostigma heteromorpha
Check Harlequin RasboraThe Harlequin Rasbora is a beautifully colored schooling fish recognized by its distinctive black triangular patch on a coppery-orange body. Hardy and adaptable, these fish are among the easiest schooling species to keep and are perfect for community aquariums. They look their best in groups of eight or more against a backdrop of lush green plants.
Tank Size
50 liters
Temperament
Peaceful
Diet
Omnivore — flakes, micro pellets, frozen daphnia, brine shrimp
Lifespan
5-8 years
Water Temp
22-27°C
pH Range
6.0-7.5
Recommended Products
Everything you need to create the perfect tank for your Harlequin Rasbora.
Accessories
Seachem Prime Water Conditioner
The essential water conditioner for Harlequin Rasboras, which prefer slightly soft, acidic water. Prime safely handles every water change and can be used at higher doses during acclimation to reduce stress in sensitive Southeast Asian species.
Filters
Fluval AquaClear 20 Power Filter
A quiet, adjustable HOB filter ideal for Harlequin Rasbora tanks. The low-flow setting prevents the strong current that can scatter the tight schooling behavior rasboras are prized for.
Food
Hikari Tropical Micro Pellets
Semi-floating micro pellets providing complete nutrition for Harlequin Rasboras. The slow-sinking action suits these mid-water schooling fish, and the color-enhancing formula brings out their coppery-orange sheen and black triangular markings.
Fluval Bug Bites Tropical Formula
Insect-based granules providing natural, high-protein nutrition for Harlequin Rasboras. Made from Black Soldier Fly larvae, these granules mimic the natural diet of wild rasboras and are eagerly accepted by even finicky individuals.