Can Angelfish Live With Blue Tang (Regal Tang)?
Incompatible pH. Angelfish needs 6.0–7.5, Blue Tang (Regal Tang) needs 8.1–8.4.
Parameter Comparison
| Parameter | Angelfish | Blue Tang (Regal Tang) | Overlap |
|---|---|---|---|
| Temperature | 76–84°F | 75–82°F | 76–82°F ✓ |
| pH Range | 6–7.5 | 8.1–8.4 | No overlap ✗ |
| Temperament | semi-aggressive | semi-aggressive | Monitor ⚠ |
| Max Size | 6" | 12" | Similar ✓ |
| Min Tank Size | 30 gal | 75 gal | 75 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | intermediate | intermediate | — |
Species Profiles
Angelfish
Pterophyllum scalare
Freshwater angelfish are elegant, tall-bodied cichlids that are a centerpiece in many community aquariums. They come in many color varieties including silver, marble, koi, and black. While generally peaceful, they become territorial when breeding and will eat small fish like neon tetras.
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 →