Atlantic Blue Tang
Acanthurus coeruleus
Also known as: Blue Caribbean Tang, Blue Tang Surgeonfish
Deep blue to purplish body as an adult. Juveniles are bright yellow, gradually transitioning through blue phases. A Caribbean species.
Tank Size
100 gal
minimum (150+ preferred)
Temperature
74–82°F
23–28°C
pH Range
8–8.4
water acidity
Max Size
15"
38.1 cm
Lifespan
12+ years
typical in captivity
Swim Level
All
preferred zone
Care Notes
Grows large and needs ample swimming space. The juvenile yellow-to-blue color change is dramatic. Quarantine recommended.
Feeding
Nori seaweed, marine algae, spirulina, pellets, and frozen mysis.
Compatible Tank Mates
None identified.
Use Caution With
Incompatible With
Check Compatibility
Want to check if Atlantic Blue Tang is compatible with a specific fish? Use our compatibility checker to build your complete tank.