Can Congo Tetra Live With Marbled Hatchetfish?
Congo Tetra and Marbled Hatchetfish are compatible tank mates!
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–82°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
✓ Compatible
Compatible sizes (3.5" and 1.5").
Temperament
✓ Compatible
Both fish have compatible temperaments.
Swim Level
✓ Compatible
Fish occupy different water levels (Congo Tetra: middle, Marbled Hatchetfish: top), reducing conflict.
Important Notes
- Congo Tetra is a schooling fish and needs at least 6 of its kind.
- Marbled Hatchetfish is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 38 gallons
| Parameter | Congo Tetra | Marbled Hatchetfish |
|---|---|---|
| Temperature | 73–82°F | 75–82°F |
| pH | 6–7.5 | 5–7 |
| Max Size | 3.5" | 1.5" |
| Temperament | Peaceful | Peaceful |
| Swim Level | Middle | Top |
| Min Tank | 30 gal | 15 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.