Compatibility Overview
Corydoras Catfish and Neon Tetra 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 | Neon Tetra | Verdict |
|---|---|---|---|
| Temperature | 70–79°F | 72–80°F | ✅ 72–79°F |
| pH Range | 6.0–8.0 | 6.0–7.5 | ✅ 6.0–7.5 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 2.5 in | 1.5 in | ✅ Similar |
| Min. Group | 6+ | 6+ | 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
Neon Tetra — Paracheirodon innesi
Iconic schooling fish with vivid electric-blue and red stripes. Hardy in captivity; suitable for most peaceful community setups.
Frequently Asked Questions
Can Corydoras Catfish live with Neon Tetra?
Yes, in a well-planned setup. Corydoras Catfish and Neon Tetra 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 Neon Tetra together?
A minimum of 40 gallons is recommended for keeping Corydoras Catfish and Neon Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Corydoras Catfish and Neon Tetra?
72–79°F
Is a Corydoras Catfish aggressive toward a Neon Tetra?
Corydoras Catfish is peaceful and Neon Tetra is peaceful. No major aggression issues are expected between these species.