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Yellowfin Surgeonfish (Acanthurus xanthopterus)

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

Yellowfin Surgeonfish
Photo: Totti · CC BY-SA 4.0
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Where to buy Yellowfin Surgeonfish

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 Yellowfin Surgeonfish

Acanthurus xanthopterus is a large, laterally compressed surgeonfish with a blue-grey to dark grey body. The dorsal and anal fins display distinctive yellow coloration, with yellow pectoral fins giving the species its common name. A pale blue stripe runs along the gill cover, and the tail fin is deeply forked.

Key facts

Care Requirements
• Minimum 150 gallon tank with ample swimming space and strong water circulation • Temperature range 72–79°F, pH 8.1–8.4, salinity 1.020–1.025 • Requires stable water conditions and regular 20–25% water changes • Establish a varied vegetable-based diet early to prevent nutritional disease • Provide hiding spaces among live rock and monitor for signs of ich or marine velvet, especially during acclimation
Reef safety
Reef Safe with Caution
Difficulty Level
Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.
Diet
herbivore
Feeding Schedule
2-3 times daily
Water Parameters
Temperature: 72-79°F pH: 8.1-8.4 Salinity: 1.02-1.025
Min tank size
150 gallons
Appearance
Acanthurus xanthopterus is a large, laterally compressed surgeonfish with a blue-grey to dark grey body. The dorsal and anal fins display distinctive yellow coloration, with yellow pectoral fins giving the species its common name. A pale blue stripe runs along the gill cover, and the tail fin is deeply forked.
Common Health Issues
Ich (Cryptocaryon irritans), marine velvet (Oodinium), nutritional deficiency, fin damage from sharp décor
Family
Acanthuridae
Aka
Cirujano Aleta Amarilla
Care Level
Moderate

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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