All fish / Cyprinidae

Patrick's Rasbora

Rasbora patrickyapi

Also known as patrick's rasbora, patrickyapi rasbora, rasbora patrick yap, yap's rasbora, ラスボラ・パトリックヤピ, seluang

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A small, slim rasbora from the blackwater peat swamps and forest streams of Central Kalimantan. It has a silvery body with a dark stripe along the side and warm orange or reddish tints in the fins. Keepers like it for its lively shoaling and as a less common choice for soft, acidic blackwater aquariums.

Care at a glance

Care level

Moderate

Temperament

Peaceful

Adult size

4 cm

Temperature

23 to 28 °C

pH

4.5 to 6.5

Smallest tank

60 litres

Keep as

Shoal of 8 or more

Diet

Omnivore: quality flakes and micro pellets, frozen and live daphnia, bloodworm and brine shrimp

Swims

Middle of the tank

Lifespan

3 to 5 years

Water

Freshwater

Wild range

Central Kalimantan, Borneo (Indonesia), Kahayan and nearby river basins

Breeding

It scatters eggs among plants and gives no parental care. Spawning has seldom been recorded in home aquariums, but soft, acidic water, fine-leaved plants and a separate tank to protect the eggs from adults offer the best chance.

Good to know

It needs soft, acidic, very clean water and does poorly in hard or unstable conditions. Most fish in the trade are wild caught, and it can be confused with similar striped rasboras such as R. einthovenii.