Otocinclus and Serpae Tetra Compatibility Overview
Otocinclus and Serpae Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Otocinclus is peaceful and Serpae Tetra is semi, so give them room and cover rather than assuming they will ignore each other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Otocinclus | Serpae Tetra | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 68โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 6.0โ7.5 | 5.0โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 1.5 in | 1.6 in | โ Similar |
| Min. Group | 4+ | 10+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Otocinclus โ Otocinclus spp.
Tiny algae-eating catfish that are peaceful with all species. Need established algae growth and biofilm; sensitive to ammonia.
โ Full Otocinclus care guide
Serpae Tetra โ Hyphessobrycon eques
The Serpae Tetra is a popular freshwater fish known for its vibrant coloration and peaceful nature. It is well-suited for community tanks and can be a great addition to any aquarium. With its moderate activity level and easy care requirements, it is a suitable choice for beginners and experienced aquarists alike.
Frequently Asked Questions
Can Otocinclus live with Serpae Tetra?
Yes, in a well-planned setup. Otocinclus and Serpae Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Otocinclus is peaceful and Serpae Tetra is semi, so give them room and cover rather than assuming they will ignore each 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 Otocinclus and Serpae Tetra together?
A minimum of 20 gallons is recommended for keeping Otocinclus and Serpae Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Otocinclus and Serpae Tetra?
72โ82ยฐF โ inside Otocinclus's 72โ82ยฐF and Serpae Tetra's 68โ82ยฐF.
Is a Otocinclus aggressive toward a Serpae Tetra?
Otocinclus is peaceful and Serpae Tetra is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Otocinclus and Serpae Tetra
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. |