Boraras brigittae · Moderate care · 5 gallon minimum

A tiny, fiery-red nano fish perfect for planted desktop tanks; best in soft water and big shoals.
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A chili rasbora (Boraras brigittae) reaches about 0.7 inches as an adult. Plan tank size and tank mates around the adult size, not the small fish you buy at the store.
Give a chili rasbora a minimum of 5 gallons, with water at 76–82°F and a pH of 4.5–7. Keep them in groups of at least 8 — they are shoaling fish and become stressed and washed-out alone. As a moderate-care, omnivore species, a stable, cycled tank with the right diet keeps them healthiest.
Pair a chili rasbora with peaceful species that share its temperature and pH range. Compatible options include:
Boraras brigittae, also known as the chili rasbora or mosquito rasbora, is a very small species of ray-finned fish in the family Danionidae. It is endemic to the swamps of South West Borneo, Indonesia. It is a popular aquarium fish due to its small size and colorful appearance.
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