The Acanthurus auranticavus, or Orangeband Surgeonfish, is a visually captivating tang native to the tropical Indo-Pacific region. This species is prized for its bold orange band and contrasting body colours, making it a standout addition to a mature marine aquarium.
Care Level: Moderate to advanced. This species requires stable water parameters and a spacious environment to thrive.
Temperament: Semi-aggressive. While generally peaceful with other fish, it may show territorial behaviour towards conspecifics or similar tang species.
Diet: Primarily herbivorous. Feed a varied diet rich in marine algae, spirulina, and high-quality herbivore flakes or pellets. Supplement with occasional meaty foods to ensure balanced nutrition.
Minimum Tank Size: At least 150 litres (40 gallons) to provide sufficient swimming space and reduce territorial stress.
Reef Compatibility: With Caution. May nip at soft corals or clam mantles; monitor closely if housed in reef setups.
Lighting and Water Flow: Standard marine aquarium lighting is suitable. Moderate to strong water flow mimics natural reef currents and supports health.
Placement: Provide ample open swimming areas with live rock for grazing and hiding spots.
Origin: Indo-Pacific region.
Maximum Size: Up to 25 cm (10 inches) in length.
Overall, the Orangeband Surgeonfish is a rewarding species for aquarists prepared to meet its care requirements and provide a stable, spacious environment.
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