Angelfish and Corydoras Compatibility Overview
Short answer: Yes. Both do well at 74-79°F. Match the tank size and group size in the table below and both should do well.
Angelfish and Corydoras Catfish can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Angelfish is semi and Corydoras Catfish is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Angelfish | Corydoras Catfish | Verdict |
|---|---|---|---|
| Temperature | 74–84°F | 70–79°F | ✅ 74–79°F |
| pH Range | 6.0–7.5 | 6.0–8.0 | ✅ 6.0–7.5 |
| Temperament | semi | peaceful | ⚠️ Monitor |
| Adult Size | 6 in | 2.5 in | ⚠️ 2.4× difference |
| Min. Group | 1+ | 6+ | See below |
| Min. Tank Size | 75 gallons (for both species) | — | |
Compatibility Positives
Caution Points
Species Profiles
Angelfish — Pterophyllum scalare
Elegant South American cichlids with long flowing fins. Generally peaceful but territorial when breeding and will eat very small fish.
Corydoras Catfish — Corydoras spp.
Armoured bottom-dwelling catfish that are peaceful with all non-aggressive species. Need fine sand substrate to protect delicate barbels.
Frequently Asked Questions
Can Angelfish live with Corydoras Catfish?
Yes, in a well-planned setup. Angelfish and Corydoras Catfish can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Angelfish is semi and Corydoras Catfish is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Angelfish and Corydoras Catfish together?
A minimum of 75 gallons is recommended for keeping Angelfish and Corydoras Catfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Angelfish and Corydoras Catfish?
74–79°F — inside Angelfish's 74–84°F and Corydoras Catfish's 70–79°F.
Is a Angelfish aggressive toward a Corydoras Catfish?
Angelfish is semi and Corydoras Catfish is peaceful. No major aggression issues are expected between these species.
More Good Tank Mates for Angelfish and Corydoras
The highest-scoring compatible partners for each species in our compatibility data.
For Angelfish
- Silver Dollar — 90/100
- African Butterfly Fish — 89/100
- Bolivian Ram — 89/100
- Congo Tetra — 88/100
- Moonlight Gourami — 88/100
For Corydoras
- Mystery Snail — 98/100
- Pearl Danio — 98/100
- Zebra Danio — 98/100
- Honey Gourami — 96/100
- Panda Cory — 96/100
Related Compatibility Guides
Tank Size for Angelfish and Corydoras
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 75 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 125 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 150 gal | Best when keeping larger schools or reducing territorial pressure. |