Can Royal Gramma Live With Denison Barb?
❌Not Compatible
Incompatible pH. Royal Gramma needs 8.1–8.4, Denison Barb needs 6.5–7.8.
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Parameter Comparison
| Parameter | Royal Gramma | Denison Barb | Overlap |
|---|---|---|---|
| Temperature | 75–79°F | 59–77°F | 75–77°F ✓ |
| pH Range | 8.1–8.4 | 6.5–7.8 | No overlap ✗ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 3.1" | 5.9" | Similar ✓ |
| Min Tank Size | 30 gal | 53 gal | 55 gal minimum together |
| Diet | Carnivore | Omnivore | — |
| 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 →Denison Barb
Sahyadria denisonii
intermediatepeaceful53+ gal
The Denison Barb (Sahyadria denisonii) is a intermediate freshwater species known for its silver, red stripe, black stripe coloration. Also called roseline shark. Mid.
Full care guide →Other Compatible Tank Mates
For Royal Gramma:
For Denison Barb:
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