Compatibility Overview
Corydoras Catfish and Dwarf Gourami 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 55-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Corydoras Catfish | Dwarf Gourami | Verdict |
|---|---|---|---|
| Temperature | 70–79°F | 72–82°F | ✅ 72–79°F |
| pH Range | 6.0–8.0 | 6.0–7.5 | ✅ 6.0–7.5 |
| Temperament | peaceful | semi | ⚠️ Monitor |
| Adult Size | 2.5 in | 3.5 in | ✅ Similar |
| Min. Group | 6+ | 1+ | See below |
| Min. Tank Size | 55 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
Dwarf Gourami — Trichogaster lalius
Colourful labyrinth fish that is generally peaceful but can be territorial toward similar species. Susceptible to Dwarf Gourami Iridovirus.
Frequently Asked Questions
Can Corydoras Catfish live with Dwarf Gourami?
Yes, in a well-planned setup. Corydoras Catfish and Dwarf Gourami 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 55-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Corydoras Catfish and Dwarf Gourami together?
A minimum of 55 gallons is recommended for keeping Corydoras Catfish and Dwarf Gourami together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Corydoras Catfish and Dwarf Gourami?
72–79°F
Is a Corydoras Catfish aggressive toward a Dwarf Gourami?
Corydoras Catfish is peaceful and Dwarf Gourami is semi. Minor aggression possible from the semi-aggressive species; provide hiding spots.