Chili Rasbora – Brilliant Red Nano Schooling Fish
The Chili Rasbora (Boraras brigittae) is a stunning miniature freshwater fish admired for its brilliant red coloration, distinctive dark body markings, and peaceful personality.
Native to the blackwater streams and peat swamp habitats of Borneo, this beautiful nano fish features a vibrant ruby-red body highlighted by a bold dark stripe and delicate red fins.
Despite its tiny size, the Chili Rasbora creates an impressive visual display when maintained in larger groups, adding flashes of brilliant red to lush planted aquariums.
Its peaceful temperament and compact adult size make it an excellent choice for carefully maintained nano aquariums, natural aquascapes, and peaceful species-focused setups.
Chili Rasboras thrive in mature freshwater aquariums with soft, slightly acidic water, dense vegetation, gentle filtration, and plenty of sheltered swimming areas.
With their exceptional coloration and graceful movement, Chili Rasboras are a fantastic addition to any well-established planted aquarium.
Care Guide
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Parameter
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Details
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Scientific Name
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Boraras brigittae
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Common Name
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Chili Rasbora
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Other Names
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Mosquito Rasbora
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Origin
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Southwestern Borneo, Indonesia
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Adult Size
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Approximately 1.5–2 cm
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Temperature
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20–28°C
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pH
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4.0–7.0; preferably acidic
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Water Hardness
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1–10 dGH
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Minimum Tank Size
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Approximately 40 L+
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Minimum Tank Dimensions
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45 × 30 cm footprint
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Diet
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Micropredator; tiny live, frozen and prepared foods
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Temperament
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Very peaceful, somewhat shy
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Care Level
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Intermediate
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Group Size
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10+; preferably 15–20
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Lifespan
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Approximately 3–5 years; varies
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Swimming Level
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Middle
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Water Flow
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Gentle / Low
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Aquarium Type
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Nano Planted Aquarium / Blackwater Aquarium
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Special Requirements
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Soft water, dense plants, mature aquarium, small foods
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