Can Pea Puffer Live With Royal Gramma?
Incompatible pH. Pea Puffer needs 7.0–8.0, Royal Gramma needs 8.1–8.4.
Parameter Comparison
| Parameter | Pea Puffer | Royal Gramma | Overlap |
|---|---|---|---|
| Temperature | 74–82°F | 75–80°F | 75–80°F ✓ |
| pH Range | 7–8 | 8.1–8.4 | No overlap ✗ |
| Temperament | aggressive | peaceful | Aggression risk ✗ |
| Max Size | 1" | 3" | Similar ✓ |
| Min Tank Size | 5 gal | 20 gal | 20 gal minimum together |
| Diet | Carnivore | Carnivore | — |
| Care Level | intermediate | beginner | — |
Species Profiles
Pea Puffer
Carinotetraodon travancoricus
Pea puffers are the smallest freshwater pufferfish in the world, growing to just 1 inch. Despite their tiny size, they have big personalities — they are curious, intelligent, and surprisingly aggressive. They are best kept in species-only tanks and require live or frozen food.
Full care guide →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 →