What tank size does a Blue line Rasbora need?

A Blue line Rasbora requires a minimum tank size of 60 litres (16 US gallons).

Are Blue line Rasbora aggressive?

Blue line Rasbora are classified as peaceful. Suitable for a peaceful community tank with similarly sized, non-aggressive fish.

What temperature do Blue line Rasbora need?

Blue line Rasbora thrive in water temperatures between 24–28°C (75–82°F).

How hard is it to breed Blue line Rasbora?

Breeding Blue line Rasbora is considered moderate.

Blue line Rasbora Care Guide

Rasbora sarawakensis

Stocking Calculator
Bioload Score

1500

PeacefulEasyFreshwater

Max Size: 5.0 cm / 2.0"
Temperature: 24–28°C (75–82°F)
pH Range: 4.0 – 7.0
Min Tank Size: 60L (16 gal)
Min Group Size: 6 fish
Tank Level: Bottom-Mid
Origin: Southeast Asia
Temperament: Peaceful
Difficulty: Easy
Breeding Difficulty: Moderate

Diet

In the wild it primarily feeds on small aquatic invertebrates, zooplankton, and insect larvae, but in aquaria it readily accepts quality flake, micro-pellets, frozen foods, and live foods such as daphnia and brine shrimp.

Community Compatibility

Suitable for a peaceful community tank with similarly sized, non-aggressive fish.

Good to Know

The Blue line Rasbora, Rasbora sarawakensis, is a peaceful schooling fish with striking blue lateral stripes that shimmer beautifully in a well-planted aquarium.

Gender Differences

Females are generally larger with a rounder, more pot-bellied abdomen, while males tend to be slimmer and more intensely coloured.

Stock Blue line Rasbora in Your Tank

Use our free stocking calculator to see if Blue line Rasbora fits your aquarium

Try the Calculator Browse All Species Start Tracking →