Compatibility Overview
Corydoras Catfish and Platy can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 40-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Corydoras Catfish | Platy | Verdict |
|---|---|---|---|
| Temperature | 70–79°F | 65–80°F | ✅ 70–79°F |
| pH Range | 6.0–8.0 | 7.0–8.5 | ✅ 7.0–8.0 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 2.5 in | 2.5 in | ✅ Similar |
| Min. Group | 6+ | 3+ | See below |
| Min. Tank Size | 40 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Corydoras Catfish — Corydoras spp.
Armoured bottom-dwelling catfish that are peaceful with all non-aggressive species. Need fine sand substrate to protect delicate barbels.
→ Full Corydoras Catfish care guide
Platy — Xiphophorus maculatus
Hardy livebearers that are among the easiest fish to keep. Peaceful with virtually all community species. Prolific breeders.
Frequently Asked Questions
Can Corydoras Catfish live with Platy?
Yes, in a well-planned setup. Corydoras Catfish and Platy can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 40-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Corydoras Catfish and Platy together?
A minimum of 40 gallons is recommended for keeping Corydoras Catfish and Platy together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Corydoras Catfish and Platy?
70–79°F
Is a Corydoras Catfish aggressive toward a Platy?
Corydoras Catfish is peaceful and Platy is peaceful. No major aggression issues are expected between these species.