Can Royal Gramma Live With Hillstream Loach?
❌Not Compatible
Incompatible pH. Royal Gramma needs 8.1–8.4, Hillstream Loach needs 6.5–7.5.
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Parameter Comparison
| Parameter | Royal Gramma | Hillstream Loach | Overlap |
|---|---|---|---|
| Temperature | 75–79°F | 68–77°F | 75–75°F ✓ |
| pH Range | 8.1–8.4 | 6.5–7.5 | No overlap ✗ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 3.1" | 3.1" | Similar ✓ |
| Min Tank Size | 30 gal | 20 gal | 20 gal minimum together |
| Diet | Carnivore | Herbivore | — |
| Care Level | beginner | intermediate | — |
Species Profiles
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 →Hillstream Loach
Sewellia lineolata
intermediatepeaceful20+ gal
The Hillstream Loach (Sewellia lineolata) is a intermediate freshwater species known for its brown-tan, spotted/mottled coloration. Flat body. Surfaces.
Full care guide →Other Compatible Tank Mates
For Royal Gramma:
For Hillstream Loach:
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