Overview
The Chili Rasbora (Boraras brigittae) is a intermediate freshwater species known for its red, dark stripe coloration. Tiny. Mid.
Origin & Appearance
Origin: Borneo.
Colors: Red, Dark stripe.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 2.0 x 0.4 x 0.6.
Sexual Dimorphism: Subtle; males more vivid red.
Tank & Water Requirements
| Min Tank Size | 5 gallons |
| Temperature | 68–82°F |
| pH Range | 4.5–7 |
| Water Hardness (GH) | 1-6 |
| Bioload | very-high |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Mid |
Behavior & Activity
Tiny hovering in mid-water; barely moves — holds position with micro-fin adjustments; stays in plant thickets
Speed: 35/100Aggression: 1/10diurnalSchooling (10+)
Breeding
Difficult; micro egg scatterer
Common Diseases
💊 Sensitive to water swings
Expert Notes
Tiny; great for nano tanks