Corydoras and Glowlight Tetra Compatibility Overview
Corydoras Catfish and Glowlight Tetra 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 | Corydoras Catfish | Glowlight Tetra | Verdict |
|---|---|---|---|
| Temperature | 70โ79ยฐF | 75โ82ยฐF | โ 75โ79ยฐF |
| pH Range | 6.0โ8.0 | 5.5โ7.5 | โ 6.0โ7.5 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 2.5 in | 1.6 in | โ Similar |
| Min. Group | 6+ | 6+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Corydoras Catfish โ Corydoras spp.
Armoured bottom-dwelling catfish that are peaceful with all non-aggressive species. Need fine sand substrate to protect delicate barbels.
โ Full Corydoras Catfish care guide
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.
Frequently Asked Questions
Can Corydoras Catfish live with Glowlight Tetra?
Yes, in a well-planned setup. Corydoras Catfish and Glowlight Tetra 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 Corydoras Catfish and Glowlight Tetra together?
A minimum of 20 gallons is recommended for keeping Corydoras Catfish and Glowlight Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Corydoras Catfish and Glowlight Tetra?
75โ79ยฐF โ inside Corydoras Catfish's 70โ79ยฐF and Glowlight Tetra's 75โ82ยฐF.
Is a Corydoras Catfish aggressive toward a Glowlight Tetra?
Corydoras Catfish is peaceful and Glowlight Tetra is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Corydoras and Glowlight 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. |