Boraras urophthalmoides
Temperature
23° - 27 °C
Max size
2 cm
Min tank
30 L
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What to know before you buy.
The smallest of the commonly traded Boraras, with a dark lateral stripe over a gold body. Best appreciated in a heavily planted nano tank in a group of a dozen or more.
Select a tank to see how this species fits.
Everything you need to keep Least Rasbora healthy in a South African setup.
A minimum 30L aquarium suits Least Rasbora. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Keep pH 5–7 and 23–27°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Least Rasbora is micropredator — tiny live and frozen foods. Feed a varied diet appropriate for freshwater fish — quality flakes, pellets, or frozen foods sized to the mouth.
Least Rasbora is generally peaceful nano shoaler. Observe during feeding and at lights-out for true temperament.
Pair with similarly sized peaceful nano shoaler tankmates in freshwater fish. Avoid fin-nippers or species that outgrow this fish.
Breeding notes for Least Rasbora vary by line and water chemistry — ask your local shop about proven pairs in SA.
From hobbyists across SA.
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Species that typically work alongside Least Rasbora in a similar setup.
Ember Tetra
Hyphessobrycon amandae
Cardinal Tetra
Paracheirodon axelrodi
Ruby Tetra
Axelrodia riesei
Pristella Tetra
Pristella maxillaris
Glass Bloodfin Tetra
Prionobrama filigera
Green Neon Tetra
Paracheirodon simulans
Flame Tetra
Hyphessobrycon flammeus
Buenos Aires Tetra
Hyphessobrycon anisitsi