Can Blue Tang (Regal Tang) Live With Denison Barb?
❌Not Compatible
Incompatible pH. Blue Tang (Regal Tang) needs 8.1–8.4, Denison Barb needs 6.5–7.8.
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Parameter Comparison
| Parameter | Blue Tang (Regal Tang) | Denison Barb | Overlap |
|---|---|---|---|
| Temperature | 75–82°F | 60–77°F | 75–77°F ✓ |
| pH Range | 8.1–8.4 | 6.5–7.8 | No overlap ✗ |
| Temperament | semi-aggressive | peaceful | Monitor ⚠ |
| Max Size | 12" | 6" | Similar ✓ |
| Min Tank Size | 75 gal | 55 gal | 75 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | intermediate | intermediate | — |
Species Profiles
Blue Tang (Regal Tang)
Paracanthurus hepatus
intermediatesemi-aggressive75+ gal
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 →Denison Barb
Sahyadria denisonii
intermediatepeaceful55+ gal
The Denison Barb (Sahyadria denisonii) is a intermediate-level freshwater fish growing to 6 inches. Peaceful temperament, minimum 55 gallon tank.
Full care guide →Other Compatible Tank Mates
For Blue Tang (Regal Tang):
For Denison Barb:
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