Can Pea Puffer Live With Blue Tang (Regal Tang)?
Incompatible pH. Pea Puffer needs 7.0–8.0, Blue Tang (Regal Tang) needs 8.1–8.4.
Parameter Comparison
| Parameter | Pea Puffer | Blue Tang (Regal Tang) | Overlap |
|---|---|---|---|
| Temperature | 74–82°F | 75–82°F | 75–82°F ✓ |
| pH Range | 7–8 | 8.1–8.4 | No overlap ✗ |
| Temperament | aggressive | semi-aggressive | Aggression risk ✗ |
| Max Size | 1" | 12" | Size mismatch ✗ |
| Min Tank Size | 5 gal | 75 gal | 75 gal minimum together |
| Diet | Carnivore | Omnivore | — |
| Care Level | intermediate | intermediate | — |
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 →Blue Tang (Regal Tang)
Paracanthurus hepatus
The blue tang — Dory from Finding Nemo — is one of the most recognizable marine fish with its vivid royal blue body, black palette marking, and yellow tail. While stunning, they grow large (up to 12 inches), are highly susceptible to ich, and need tanks of 75+ gallons. They are not beginner fish despite their popularity following the movies.
Full care guide →