Compatibility Overview
Nerite Snail and Otocinclus 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 29-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Nerite Snail | Otocinclus | Verdict |
|---|---|---|---|
| Temperature | 65–85°F | 72–82°F | ✅ 72–82°F |
| pH Range | 6.5–8.5 | 6.0–7.5 | ✅ 6.5–7.5 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 1 in | 1.5 in | ✅ Similar |
| Min. Group | 1+ | 4+ | See below |
| Min. Tank Size | 29 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Nerite Snail — Nerita spp.
Outstanding algae-eating snails that do not reproduce in freshwater. Extremely hardy and compatible with virtually all peaceful fish.
→ Full Nerite Snail care guide
Otocinclus — Otocinclus spp.
Tiny algae-eating catfish that are peaceful with all species. Need established algae growth and biofilm; sensitive to ammonia.
Frequently Asked Questions
Can Nerite Snail live with Otocinclus?
Yes, in a well-planned setup. Nerite Snail and Otocinclus 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 29-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Nerite Snail and Otocinclus together?
A minimum of 29 gallons is recommended for keeping Nerite Snail and Otocinclus together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Nerite Snail and Otocinclus?
72–82°F
Is a Nerite Snail aggressive toward a Otocinclus?
Nerite Snail is peaceful and Otocinclus is peaceful. No major aggression issues are expected between these species.