Compatibility Overview
Chili Rasbora and Ember Tetra 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 | Chili Rasbora | Ember Tetra | Verdict |
|---|---|---|---|
| Temperature | 68–82°F | 73–84°F | ✅ 73–82°F |
| pH Range | 4.0–7.0 | 5.5–7.0 | ✅ 5.5–7.0 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 0.8 in | 0.8 in | ✅ Similar |
| Min. Group | 8+ | 8+ | See below |
| Min. Tank Size | 40 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Chili Rasbora — Boraras brigittae
Vivid red nano fish from Borneo blackwater habitats. Extremely small — only safe with fish too small to swallow them.
→ Full Chili Rasbora care guide
Ember Tetra — Hyphessobrycon amandae
Tiny orange-red schooling tetra that is among the most adaptable nano fish. Peaceful with everything too small to eat them.
Frequently Asked Questions
Can Chili Rasbora live with Ember Tetra?
Yes, in a well-planned setup. Chili Rasbora and Ember Tetra 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 Chili Rasbora and Ember Tetra together?
A minimum of 40 gallons is recommended for keeping Chili Rasbora and Ember Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Chili Rasbora and Ember Tetra?
73–82°F
Is a Chili Rasbora aggressive toward a Ember Tetra?
Chili Rasbora is peaceful and Ember Tetra is peaceful. No major aggression issues are expected between these species.