All fish / Danionidae

Sumatran Rasbora

Rasbora sumatrana

Also known as sumatra rasbora, sumatran rasbora, rasbora sumatrana, seluang, ラスボラ・スマトラナ, wader, 苏门答腊波鱼

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A slim, silvery rasbora with a dark stripe running along the rear of the body and often yellowish or reddish tints to the fins. It is active, hardy and looks good in a large shoal in a roomy community tank.

Care at a glance

Care level

Easy

Temperament

Peaceful

Adult size

9 cm

Temperature

22 to 27 °C

pH

6 to 7.5

Smallest tank

120 litres

Keep as

Shoal of 8 or more

Diet

Omnivore: quality flakes and granules, frozen bloodworm, brine shrimp and daphnia

Swims

Middle of the tank

Lifespan

4 to 6 years

Water

Freshwater

Wild range

Sumatra, Malay Peninsula and southern Thailand

Breeding

An egg scatterer that gives no parental care and will eat its own eggs. Spawning is possible in a separate tank with fine-leaved plants or mesh, and the adults should be taken out afterwards.

Good to know

It grows larger than many rasboras and is a fast swimmer, so give it plenty of open space and a lid. Fish sold under this name are often confused with Rasbora paviana and other similar species.