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Purple Tang (Zebrasoma xanthurum)

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

Purple Tang
Photo: Josuevg · CC BY-SA 4.0
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Where to buy Purple 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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  • Petco

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About Purple Tang

Purple Tang is a laterally compressed fish with a vibrant purple-blue body, bright yellow dorsal and anal fins, and yellow pectoral fin margins. The species has the characteristic tang body shape with venomous spines on the caudal peduncle.

Key facts

Care Level
Expert
Reef safety
Not Reef Safe
Diet
herbivore
Difficulty Level
Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.
Diet Details
Feed high-quality herbivore preparations including dried seaweed, spirulina-based pellets, and occasional fresh macroalgae. Provide 1-2 times daily. Some supplemental meaty foods can be offered occasionally, but the diet should be primarily vegetable-based to prevent health issues and maintain coloration.
Temperament
Semi Aggressive
Origin
Indo-Pacific region, including the Red Sea and Persian Gulf.
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Appearance
Purple Tang is a laterally compressed fish with a vibrant purple-blue body, bright yellow dorsal and anal fins, and yellow pectoral fin margins. The species has the characteristic tang body shape with venomous spines on the caudal peduncle.
Feeding Schedule
1-2 times daily
Max Size
10
Care Requirements
• Minimum tank size 100 gallons • Stable water parameters: 72-78°F, pH 8.1-8.3, moderate current • Extensive live rock and macroalgae for grazing and territorial space • May become aggressive toward other tangs; needs hiding places • High nutrient export and strong protein skimming required

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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