Can Celestial Pearl Danio Live With Cuckoo Catfish?
Celestial Pearl Danio and Cuckoo Catfish are NOT compatible tank mates.
Detailed Analysis
Temperature
⚠ Use Caution
Very narrow temperature overlap (75–76°F). Maintaining stable temp in this range may be difficult.
pH
⚠ Use Caution
Very narrow pH overlap (7.5–7.5). Hard to maintain precisely.
Size
✗ Not Compatible
Extreme size difference. Cuckoo Catfish (7") may eat or bully Celestial Pearl Danio (1").
Temperament
⚠ Use Caution
Celestial Pearl Danio (peaceful) may have issues with Cuckoo Catfish (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Celestial Pearl Danio: middle, Cuckoo Catfish: bottom), reducing conflict.
Important Notes
- Celestial Pearl Danio is a schooling fish and needs at least 6 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 | Celestial Pearl Danio | Cuckoo Catfish |
|---|---|---|
| Temperature | 65–76°F | 75–82°F |
| pH | 6.5–7.5 | 7.5–9 |
| Max Size | 1" | 7" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Middle | Bottom |
| Min Tank | 10 gal | 40 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.