Compatibility Overview
Cherry Barb and Chili Rasbora can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 40-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Cherry Barb | Chili Rasbora | Verdict |
|---|---|---|---|
| Temperature | 73–81°F | 68–82°F | ✅ 73–81°F |
| pH Range | 6.0–8.0 | 4.0–7.0 | ✅ 6.0–7.0 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 2 in | 0.8 in | ⚠️ 2.5× difference |
| Min. Group | 6+ | 8+ | See below |
| Min. Tank Size | 40 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Cherry Barb — Puntius titteya
Unlike most barbs, cherry barbs are peaceful schooling fish safe with bettas and nano species. Males turn vivid red when in breeding condition.
Chili Rasbora — Boraras brigittae
Vivid red nano fish from Borneo blackwater habitats. Extremely small — only safe with fish too small to swallow them.
Frequently Asked Questions
Can Cherry Barb live with Chili Rasbora?
Yes, in a well-planned setup. Cherry Barb and Chili Rasbora can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 40-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Cherry Barb and Chili Rasbora together?
A minimum of 40 gallons is recommended for keeping Cherry Barb and Chili Rasbora together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Cherry Barb and Chili Rasbora?
73–81°F
Is a Cherry Barb aggressive toward a Chili Rasbora?
Cherry Barb is peaceful and Chili Rasbora is peaceful. No major aggression issues are expected between these species.