Compatibility Overview
Chili Rasbora and Dwarf Gourami 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 55-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Chili Rasbora | Dwarf Gourami | Verdict |
|---|---|---|---|
| Temperature | 68–82°F | 72–82°F | ✅ 72–82°F |
| pH Range | 4.0–7.0 | 6.0–7.5 | ✅ 6.0–7.0 |
| Temperament | peaceful | semi | ⚠️ Monitor |
| Adult Size | 0.8 in | 3.5 in | ❌ 4× difference |
| Min. Group | 8+ | 1+ | See below |
| Min. Tank Size | 55 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
Dwarf Gourami — Trichogaster lalius
Colourful labyrinth fish that is generally peaceful but can be territorial toward similar species. Susceptible to Dwarf Gourami Iridovirus.
Frequently Asked Questions
Can Chili Rasbora live with Dwarf Gourami?
Yes, in a well-planned setup. Chili Rasbora and Dwarf Gourami 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 55-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Chili Rasbora and Dwarf Gourami together?
A minimum of 55 gallons is recommended for keeping Chili Rasbora and Dwarf Gourami together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Chili Rasbora and Dwarf Gourami?
72–82°F
Is a Chili Rasbora aggressive toward a Dwarf Gourami?
Chili Rasbora is peaceful and Dwarf Gourami is semi. Minor aggression possible from the semi-aggressive species; provide hiding spots.