Can Royal Gramma Live With Zebra Danio?
Incompatible pH. Royal Gramma needs 8.1–8.4, Zebra Danio needs 6.5–7.5.
Parameter Comparison
| Parameter | Royal Gramma | Zebra Danio | Overlap |
|---|---|---|---|
| Temperature | 75–80°F | 65–77°F | 75–77°F ✓ |
| pH Range | 8.1–8.4 | 6.5–7.5 | No overlap ✗ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 3" | 2.5" | Similar ✓ |
| Min Tank Size | 20 gal | 10 gal | 20 gal minimum together |
| Diet | Carnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Species Profiles
Royal Gramma
Gramma loreto
The royal gramma is one of the most stunning and beginner-friendly saltwater fish. Its front half is vivid purple transitioning to bright yellow on the back — a color combination unmatched in the marine world. They are hardy, disease-resistant, reef-safe, and stay small. Often considered one of the top 3 beginner saltwater fish alongside clownfish and firefish.
Full care guide →Zebra Danio
Danio rerio
Zebra danios are one of the hardiest, most energetic freshwater fish in the hobby. Their horizontal blue and silver stripes and constant darting motion add life to any aquarium. They tolerate a remarkably wide range of conditions, from cool subtropical to warm tropical temperatures, making them ideal for beginners. They are also the species used as the basis for GloFish.
Full care guide →