Can Serpae Tetra Live With Congo Tetra?
Serpae Tetra and Congo Tetra are not compatible due to size mismatch or behavioral conflicts.
Parameter Comparison
| Parameter | Serpae Tetra | Congo Tetra | Overlap |
|---|---|---|---|
| Temperature | 72–82°F | 73–82°F | 73–82°F ✓ |
| pH Range | 5.5–7.5 | 6–7.5 | 6–7.5 ✓ |
| Temperament | semi-aggressive | peaceful | Monitor ⚠ |
| Max Size | 1.75" | 3.5" | Similar ✓ |
| Min Tank Size | 20 gal | 30 gal | 30 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | intermediate | — |
Species Profiles
Serpae Tetra
Hyphessobrycon eques
Serpae tetras are vibrant blood-red schooling fish with a distinctive black comma-shaped marking behind the gill plate. While beautiful, they have a reputation as fin nippers — especially in small groups. Keeping them in schools of 8+ in a spacious tank significantly reduces this behavior. They add bold color to community tanks when kept properly.
Full care guide →Congo Tetra
Phenacogrammus interruptus
Congo tetras are the showstoppers of the tetra family. Males develop spectacular flowing fins with an iridescent rainbow sheen that shifts from blue to gold to green under aquarium lighting. They are larger than most tetras (up to 3.5 inches) and need a spacious, well-planted tank to display their full beauty. Peaceful but shy — they thrive with calm tank mates.
Full care guide →