Description
Chili Rasbora (Boraras brigittae)
📌 Basic Info
Scientific Name: Boraras brigittae
Common Names: Chili Rasbora, Mosquito Rasbora
Size: ~0.7–0.8 inch (2 cm)
Lifespan: 4 – 6 years
Tank Zone: Middle to top swimmers
🌊 Water Parameters
TDS (Total Dissolved Solids): 50 – 150 ppm
pH: 4.0 – 7.0 (best slightly acidic)
Temperature: 24°C – 28°C (75°F – 82°F)
Water Type: Soft, clean, slightly acidic water
🐟 Characteristics
Very tiny nano fish, bright red body with a thin black stripe
Peaceful, shy, and best in large groups
Shows brightest colors in planted aquariums with dim light
Ideal for nano and shrimp tanks
🍽️ Food
Type: Omnivorous
Diet: Micro-sized flakes, powdered pellets, baby brine shrimp, daphnia, microworms
Feeding Frequency: 1–2 times daily (tiny amounts)
🛠️ Maintenance
Weekly water change: 20–25%
Needs stable, clean water (sensitive to dirty tanks)
Provide plants, driftwood, and floating plants for shade
Gentle filtration only (strong currents stress them)
👥 Social Behavior
Minimum Group Size: 8–10 (better in 15+)
Tank Mates: Very peaceful species – shrimps, snails, other nano rasboras, small peaceful tetras
Avoid: Large or aggressive fish (they will get eaten easily)
✅ Do’s
Keep them in large schools for natural behavior
Provide live plants and shaded areas
Use gentle sponge or nano filters
❌ Don’ts
Don’t mix with big fish → they’ll become food
Don’t overfeed (tiny stomachs, water gets polluted fast)
Don’t keep in small groups (they get stressed and hide)
⭐ Quick Tips
One of the smallest aquarium fish (perfect for nano tanks)
Very peaceful, but requires stable, clean conditions
Looks stunning in heavily planted aquascapes