Can Black Neon Tetra Live With Cuckoo Catfish?
Black Neon Tetra and Cuckoo Catfish CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
⚠ Use Caution
Very narrow pH overlap (7.5–7.5). Hard to maintain precisely.
Size
⚠ Use Caution
Significant size difference (7" vs 1.5"). Cuckoo Catfish may bully or stress Black Neon Tetra.
Temperament
⚠ Use Caution
Black Neon Tetra (peaceful) may have issues with Cuckoo Catfish (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Black Neon Tetra: middle, Cuckoo Catfish: bottom), reducing conflict.
Important Notes
- Black Neon Tetra 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 | Black Neon Tetra | Cuckoo Catfish |
|---|---|---|
| Temperature | 73–82°F | 75–82°F |
| pH | 5.5–7.5 | 7.5–9 |
| Max Size | 1.5" | 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.