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Powder Blue Tang (Acanthurus leucosternon)

Find Powder Blue Tang across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified fish listings before you buy.

Powder Blue Tang
Photo: H. Zell · CC BY-SA 3.0
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Where to buy Powder Blue Tang

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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    Search Amazon
  • Petco

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    Search Petco

About Powder Blue Tang

Powder Blue Tang displays a striking bright blue body with a white or pale belly, a distinctive yellow dorsal fin, and a yellow caudal fin. The gill covers are a bright yellow-orange, and venomous spines are located on both sides of the tail base. The body is laterally compressed and oval-shaped, typical of the surgeonfish family.

Key facts

Care Requirements
• Minimum 120-gallon tank; 6-foot length preferred for active swimming • Temp 72–78°F, pH 8.1–8.3, SG 1.020–1.025 • Established reef with live rock, strong circulation (10× turnover) • herbivorous diet: high-quality marine flakes, spirulina, nori sheets daily • Prone to ich; quarantine recommended; may be aggressive toward other tangs
Max Size
9
Family
Acanthuridae
Common Health Issues
Marine ich, Fin rot, Swim bladder disorder, Hole-in-the-head disease, Columnaris disease
Min tank size
120 gallons
Aka
Powder-Blue Surgeonfish
Diet
herbivore
Diet Details
In captivity, feed high-quality dried nori seaweed, marine algae pellets, and fresh blanched vegetables (spinach, zucchini). Supplement with meaty foods like brine shrimp or mysis shrimp 2-3 times weekly. Feed once or twice daily, offering small portions.
Difficulty Level
The Powder Blue Tang is considered expert-level due to its demanding water quality requirements, susceptibility to marine ich and other parasitic infections, and aggressive territorial behavior toward conspecifics and similar-looking tangs. It requires pristine conditions and careful acclimation.
Temperament
Semi Aggressive
Care Level
Expert
Reef safety
Reef Safe with Caution

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell fish directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current fish listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible fish listings — so you can see the conditions a fish was raised in before you buy. Log this fish on Reef Trak.

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