How long do Chili Rasboras live?
Despite their size, Chili Rasboras can live 4-8 years with consistent, mature water and a good diet. Tiny tanks that swing are the main threat to that lifespan.
What do Chili Rasboras eat?
Feed tiny foods: crushed flake, micro-pellets, and live/frozen baby brine shrimp, daphnia and microworms. Overfeeding and large food particles they cannot eat are the usual mistakes; keep portions microscopic.
Tank size and water parameters
A 5-10 gallon (19-38 L) tank can hold a school of 8-10. Target 72-79°F (22-26°C), pH 4.0-7.0, very soft water preferred, zero ammonia and nitrite, nitrate under 15 ppm. Keep in groups of 8+; they color best over moss and dark substrate.
Common mistakes with Chili Rasboras
Key errors: too few fish so they hide and pale; a new or unstable tank where small volumes spike fast; and larger tank mates that eat or outcompete them. They belong in a quiet, mature nano setup.
Beginner mistakes to avoid
- Keeping a tiny group — chilis need 8+ to feel safe and show red.
- New or swinging nano water — stability is everything in small volumes.
- Predatory or boisterous tank mates — they are micro-food to bigger fish.
- Overfeeding oversized food — use microscopic, varied portions.