Can Guppy Live With Long-Finned Serpae Tetra?
Guppy and Long-Finned Serpae Tetra are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 72–82°F.
pH
✓ Compatible
Good pH overlap at 6.8–7.5.
Size
✓ Compatible
Compatible sizes (2" and 1.8").
Temperament
⚠ Use Caution
Guppy (peaceful) may have issues with Long-Finned Serpae Tetra (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Guppy: top, Long-Finned Serpae Tetra: middle), reducing conflict.
Trait Conflict
✗ Not Compatible
Long-Finned Serpae Tetra is a known fin nipper and will harass Guppy's long fins.
Important Notes
- Guppy is a schooling fish and needs at least 3 of its kind.
- Long-Finned Serpae Tetra is a schooling fish and needs at least 6 of its kind.
Tank Requirements
Minimum tank size for this combination: 20 gallons
| Parameter | Guppy | Long-Finned Serpae Tetra |
|---|---|---|
| Temperature | 72–82°F | 72–82°F |
| pH | 6.8–7.8 | 6–7.5 |
| Max Size | 2" | 1.8" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Top | Middle |
| Min Tank | 10 gal | 20 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.