Can Congo Tetra Live With Royal Gramma?
❌Not Compatible
Incompatible pH. Congo Tetra needs 6.0–7.5, Royal Gramma needs 8.1–8.4.
Ad
Parameter Comparison
| Parameter | Congo Tetra | Royal Gramma | Overlap |
|---|---|---|---|
| Temperature | 73–82°F | 75–79°F | 75–80°F ✓ |
| pH Range | 6–7.5 | 8.1–8.4 | No overlap ✗ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 3.3" | 3.1" | Similar ✓ |
| Min Tank Size | 30 gal | 30 gal | 30 gal minimum together |
| Diet | Omnivore | Carnivore | — |
| Care Level | intermediate | beginner | — |
Species Profiles
Congo Tetra
Phenacogrammus interruptus
intermediatepeaceful30+ gal
The Congo Tetra (Phenacogrammus interruptus) is a intermediate freshwater species known for its iridescent rainbow (blue, gold, orange) coloration. Iridescent rainbow colors. Mid to Upper-Mid.
Full care guide →Royal Gramma
Gramma loreto
beginnerpeaceful30+ gal
The Royal Gramma (Gramma loreto) is a beginner saltwater species known for its purple (front), yellow (rear) coloration. Purple/yellow bicolor. Bottom to Mid.
Full care guide →Other Compatible Tank Mates
For Congo Tetra:
For Royal Gramma:
Ad