Neon Tetra and Otocinclus Compatibility Overview
Neon Tetra and Otocinclus can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Neon Tetra | Otocinclus | Verdict |
|---|---|---|---|
| Temperature | 72โ80ยฐF | 72โ82ยฐF | โ 72โ80ยฐF |
| pH Range | 6.0โ7.5 | 6.0โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1.5 in | 1.5 in | โ Similar |
| Min. Group | 6+ | 4+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Neon Tetra โ Paracheirodon innesi
Iconic schooling fish with vivid electric-blue and red stripes. Hardy in captivity; suitable for most peaceful community setups.
โ Full Neon Tetra care guide
Otocinclus โ 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 Neon Tetra live with Otocinclus?
Yes, in a well-planned setup. Neon Tetra and Otocinclus can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Neon Tetra and Otocinclus together?
A minimum of 20 gallons is recommended for keeping Neon Tetra and Otocinclus together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Neon Tetra and Otocinclus?
72โ80ยฐF โ inside Neon Tetra's 72โ80ยฐF and Otocinclus's 72โ82ยฐF.
Is a Neon Tetra aggressive toward a Otocinclus?
Neon Tetra is peaceful and Otocinclus is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Neon Tetra and Otocinclus
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 20 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 29 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |