Can Neon Tetra Live With Blue Tang (Regal Tang)?
Incompatible pH. Neon Tetra needs 6.0–7.0, Blue Tang (Regal Tang) needs 8.1–8.4.
Parameter Comparison
| Parameter | Neon Tetra | Blue Tang (Regal Tang) | Overlap |
|---|---|---|---|
| Temperature | 70–81°F | 75–82°F | 75–81°F ✓ |
| pH Range | 6–7 | 8.1–8.4 | No overlap ✗ |
| Temperament | peaceful | semi-aggressive | Monitor ⚠ |
| Max Size | 1.5" | 12" | Size mismatch ✗ |
| Min Tank Size | 10 gal | 75 gal | 75 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | intermediate | — |
Species Profiles
Neon Tetra
Paracheirodon innesi
The Neon Tetra is arguably the most popular freshwater aquarium fish in the hobby. Their electric blue stripe and red tail create a stunning display, especially in large schools against a planted backdrop. Hardy, peaceful, and easy to care for, neon tetras are perfect for beginners and make excellent community tank members.
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 →