Powder Blue Tang

Saltwater Fish — Acanthurus leucosternon

The Powder Blue Tang is known for its vibrant powder-blue body, bold black facial markings, and bright yellow dorsal fin, making it a stunning centerpiece for a large reef aquarium. This active grazer requires excellent water quality, strong flow, and plenty of swimming space.

CARE LEVEL: Advanced

MAX SIZE: Up to 9" (23 cm)

MIN. TANK SIZE: 125 Gallons

TEMPERATURE: 74–80°F (23–27°C)

DIET: Herbivore

FEEDING: Nori, marine algae, spirulina, algae-based foods, and occasional meaty foods; feed 2–3 times daily

TEMPERAMENT: Semi-Aggressive

COMPATIBILITY: Generally peaceful with non-tang community fish; highly territorial toward other tangs, especially similar-shaped species