Compatibility Overview
Corydoras Catfish and Electric Yellow Cichlid can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 40 gallons), dense planting, and close monitoring are essential.
| Factor | Corydoras Catfish | Electric Yellow Cichlid | Verdict |
|---|---|---|---|
| Temperature | 70–79°F | 75–82°F | ✅ 75–79°F |
| pH Range | 6.0–8.0 | 7.5–8.5 | ⚠️ 7.5–8.0 (narrow) |
| Temperament | peaceful | aggressive | ❌ Risk |
| Adult Size | 2.5 in | 2.4 in | ✅ Similar |
| Min. Group | 6+ | 1+ | 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
Electric Yellow Cichlid — Aquarium species
The Electric Yellow Cichlid is a popular freshwater species known for its striking yellow coloration and moderate aggression. It requires a spacious tank with hiding spots and is best kept with peaceful tankmates. This species is suitable for beginner aquarists.
Frequently Asked Questions
Can Corydoras Catfish live with Electric Yellow Cichlid?
With significant caution and a larger tank. Corydoras Catfish and Electric Yellow Cichlid can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 40 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Corydoras Catfish and Electric Yellow Cichlid together?
A minimum of 40 gallons is recommended for keeping Corydoras Catfish and Electric Yellow Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Corydoras Catfish and Electric Yellow Cichlid?
75–79°F
Is a Corydoras Catfish aggressive toward a Electric Yellow Cichlid?
Corydoras Catfish is peaceful and Electric Yellow Cichlid is aggressive. No major aggression issues are expected between these species.
Related Compatibility Guides
Compatibility score breakdown
The overall score is weighted across water chemistry, behavior, adult size, swimming zone, and social needs. A score is a planning aid—not a guarantee for individual fish.
| Factor | Score |
|---|---|
| Temperature | 57/100 |
| Ph | 50/100 |
| Temperament | 30/100 |
| Adult Size | 100/100 |
| Swim Zone | 92/100 |
| Social Needs | 92/100 |
Tank size scenarios
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 40 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 55 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 90 gal | Best when keeping larger schools or reducing territorial pressure. |