All fish / Cyprinidae

Harlequin rasbora

Trigonostigma heteromorpha

Also known as harlequin, rasbora, 三角灯

Copper-orange with a black triangle on the rear half of the body.

Care at a glance

Care level

Easy

Temperament

Peaceful

Adult size

4.5 cm

Temperature

22 to 27 °C

pH

5 to 7.5

Smallest tank

40 litres

Keep as

Shoal of 8 or more

Diet

Omnivore: micro pellets, flakes

Swims

Middle of the tank

Lifespan

5 years

Water

Freshwater

Wild range

Malaysia, Singapore, Thailand, Sumatra

Breeding

Lays eggs on the underside of broad leaves such as Cryptocoryne, in soft, acidic water.

Good to know

A good first shoal for a planted tank.