Glowlight Tetra and Otocinclus Compatibility Overview
Glowlight 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 | Glowlight Tetra | Otocinclus | Verdict |
|---|---|---|---|
| Temperature | 75โ82ยฐF | 72โ82ยฐF | โ 75โ82ยฐF |
| pH Range | 5.5โ7.5 | 6.0โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 1.6 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
Glowlight Tetra โ Hemigrammus erythrozonus
The Glowlight Tetra is a vibrant, peaceful community fish known for its silver body and bright red-gold highlights. It thrives in a well-planted tank with plenty of swimming space and a gentle water flow. These tetras are easy to care for and are suitable for beginners.
โ Full Glowlight 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 Glowlight Tetra live with Otocinclus?
Yes, in a well-planned setup. Glowlight 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 Glowlight Tetra and Otocinclus together?
A minimum of 20 gallons is recommended for keeping Glowlight Tetra and Otocinclus together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Glowlight Tetra and Otocinclus?
75โ82ยฐF โ inside Glowlight Tetra's 75โ82ยฐF and Otocinclus's 72โ82ยฐF.
Is a Glowlight Tetra aggressive toward a Otocinclus?
Glowlight Tetra is peaceful and Otocinclus is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Glowlight 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. |