Slender Rasbora
Trigonopoma gracile
What you need to keep a Slender Rasbora
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pH
5.5–7
Temperature
23–27 °C
Max size
4 cm
Min tank
60 L
Where to buy
Compare prices from SA aquarium shops listing Slender Rasbora.
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Overview
What to know before you buy.
A slim blackwater rasbora with a rosy sheen and a fine dark line. Understated under bright light, but glowing over dark substrate in soft, tea-coloured water.
Care guide
Keeping Slender Rasbora healthy in a South African setup.
Tank setup
A minimum 60L aquarium suits Slender Rasbora. Provide hiding spots and stable, well-filtered water; it suits a community setup.
Water parameters
Keep pH 5.5–7 and 23–27°C. Stable parameters matter more than chasing perfect numbers; acclimate new arrivals slowly.
Feeding
Omnivore — micro foods. Feed small amounts it clears in a couple of minutes, and vary the diet.
Behaviour
Peaceful shoaler. Watch it at feeding time and at lights-out to see its real temperament in your tank.
Tankmates
Choose tankmates of similar size and temperament with the same water needs. Avoid fin-nippers and anything large enough to eat it.
Breeding
Breeding success with Slender Rasbora depends on the line and water chemistry; ask your shop about proven pairs.
Community photos
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Market intelligence
Price trends and buyer demand — data only FishHub tracks.
Price history — last 90 days
SA price range this month: R35–35 · Average: R35
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Demand by province
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