Least Rasbora Care Guide

Boraras urophthalmoides

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Bioload Score

1000

PeacefulEasyFreshwater
Max Size
2.5 cm / 1.0"
Temperature
22–27°C (72–80°F)
pH Range
4.0 – 7.0
Min Tank Size
40L (11 gal)
Min Group Size
6 fish
Tank Level
Bottom-Mid
Origin
Thailand, Malaysia
Temperament
Peaceful
Difficulty
Easy
Breeding Difficulty
Easy

Diet

Omnivorous; feeds on small invertebrates and algae.

Community Compatibility

Can be mixed with other tiny, peaceful fish in densely planted tanks.

Good to Know

The Least Rasbora is one of the smallest schooling fish, ideal for miniature aquascapes.

Gender Differences

Females tend to be slightly larger and less colorful.

Stock Least Rasbora in Your Tank

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