Compatibility Overview
Chili Rasbora and Mystery Snail 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 | Mystery Snail | Verdict |
|---|---|---|---|
| Temperature | 68–82°F | 68–80°F | ✅ 68–80°F |
| pH Range | 4.0–7.0 | 7.0–8.0 | ⚠️ 7.0–7.0 (narrow) |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 0.8 in | 2 in | ⚠️ 2.5× difference |
| Min. Group | 8+ | 1+ | 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
Mystery Snail — Pomacea bridgesii
Large, peaceful aquarium snails that graze on algae and detritus. Shell provides some protection but can be harassed by certain fish.
Frequently Asked Questions
Can Chili Rasbora live with Mystery Snail?
Yes, in a well-planned setup. Chili Rasbora and Mystery Snail 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 Mystery Snail together?
A minimum of 40 gallons is recommended for keeping Chili Rasbora and Mystery Snail together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Chili Rasbora and Mystery Snail?
68–80°F
Is a Chili Rasbora aggressive toward a Mystery Snail?
Chili Rasbora is peaceful and Mystery Snail is peaceful. pH ranges barely or do not overlap: Chili Rasbora prefers 4.0–7.0; Mystery Snail prefers 7.0–8.0.