Can Blue Tang (Regal Tang) Live With Three Spot Gourami?
❌Not Compatible
Incompatible pH. Blue Tang (Regal Tang) needs 8.1–8.4, Three Spot Gourami needs 6.0–8.0.
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Parameter Comparison
| Parameter | Blue Tang (Regal Tang) | Three Spot Gourami | Overlap |
|---|---|---|---|
| Temperature | 75–82°F | 72–82°F | 75–82°F ✓ |
| pH Range | 8.1–8.4 | 6–8 | No overlap ✗ |
| Temperament | semi-aggressive | semi-aggressive | Monitor ⚠ |
| Max Size | 12" | 6" | Similar ✓ |
| Min Tank Size | 75 gal | 20 gal | 75 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | intermediate | beginner | — |
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 →Three Spot Gourami
Trichopodus trichopterus
beginnersemi-aggressive20+ gal
The Three Spot Gourami (Trichopodus trichopterus) is a beginner-level freshwater fish growing to 6 inches. Semi-aggressive temperament, minimum 20 gallon tank.
Full care guide →Other Compatible Tank Mates
For Blue Tang (Regal Tang):
For Three Spot Gourami:
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