Can Chili Rasbora Live With Cuckoo Catfish?
Chili Rasbora and Cuckoo Catfish are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
✗ Not Compatible
No pH overlap. Chili Rasbora needs pH 4–7, but Cuckoo Catfish needs pH 7.5–9.
Size
✗ Not Compatible
Extreme size difference. Cuckoo Catfish (7") may eat or bully Chili Rasbora (0.7").
Temperament
⚠ Use Caution
Chili Rasbora (peaceful) may have issues with Cuckoo Catfish (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Chili Rasbora: middle, Cuckoo Catfish: bottom), reducing conflict.
Important Notes
- Chili Rasbora is a schooling fish and needs at least 8 of its kind.
- Cuckoo Catfish is a schooling fish and needs at least 3 of its kind.
Tank Requirements
Minimum tank size for this combination: 40 gallons
| Parameter | Chili Rasbora | Cuckoo Catfish |
|---|---|---|
| Temperature | 68–82°F | 75–82°F |
| pH | 4–7 | 7.5–9 |
| Max Size | 0.7" | 7" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Middle | Bottom |
| Min Tank | 5 gal | 40 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.