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Black-Barred Surgeonfish (Acanthurus polyzona)

Find Black-Barred Surgeonfish across reef-livestock retailers on ReefDock. Compare sources, check known pricing where available, and review care information before you buy.

Black-Barred Surgeonfish
Photo: Benoit NABHOLZ · CC BY-SA 4.0
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Where to buy Black-Barred Surgeonfish

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

  • Saltwaterfish

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  • Amazon

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  • Petco

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About Black-Barred Surgeonfish

The Black-Barred Surgeonfish has a compressed, disc-shaped body with distinctive black vertical bars on a white or yellowish background. The body is laterally flattened with a continuous dorsal fin and a characteristic scalpel-like spine (venomous) on the caudal peduncle, typical of the surgeonfish family. Adults typically display 6–8 prominent dark bars.

Key facts

Temperament
Semi Aggressive
Care Level
Moderate
Family
Acanthuridae
Difficulty Level
Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.
Diet Details
Feed high-quality dried seaweed (nori) and macroalgae multiple times daily, supplemented with herbivorous flake foods and occasional blanched vegetables. Ensure abundant algae growth in the tank or provide regular vegetal matter, as they naturally graze on algae in reef environments.
Water Parameters
Temperature: 72-82°F pH: 8.1-8.4 Salinity: 1.02-1.026
Appearance
The Black-Barred Surgeonfish has a compressed, disc-shaped body with distinctive black vertical bars on a white or yellowish background. The body is laterally flattened with a continuous dorsal fin and a characteristic scalpel-like spine (venomous) on the caudal peduncle, typical of the surgeonfish family. Adults typically display 6–8 prominent dark bars.
Max Size
9
Aka
Zebra Tang, Polyzona Tang
Care Requirements
• Minimum 75 gallon tank with strong water flow and excellent filtration • Temperature range 72–82°F; maintain pH 8.1–8.4 and salinity 1.020–1.026 • Provide abundant live rock for grazing and hiding; ensure algae-rich diet with daily seaweed and macroalgae offerings • Semi-aggressive behavior toward other tangs and territorial fish; best kept singly or in very large tanks with multiple reef zones • Monitor for ich and marine velvet, especially during acclimation; avoid sudden parameter changes • Handle with care due to venomous spine on caudal peduncle; use nets cautiously
Common Health Issues
Marine ich, Fin rot, Swim bladder disorder, Bacterial septicemia, Parasitic infestations
Min tank size
75 gallons

Research before you buy

ReefDock is the sister app to Reef Trak. Use Reef Trak to research and log fish, keep tank parameters organized, and maintain a complete livestock history. Log this fish on Reef Trak.

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