The Acanthurus leucocheilus, commonly known as the Whitecheek Surgeonfish, is a visually captivating tang species prized for its distinctive white cheek markings and vibrant body colours. This medium-sized marine fish is suitable for experienced hobbyists who can provide the necessary care and environment.
Care Level: Moderate to advanced. This species requires stable water conditions and a well-established aquarium.
Temperament: Semi-aggressive. It may show territorial behaviour, especially towards other tangs or similar-shaped fish.
Diet: Primarily herbivorous. Offer a varied diet including marine algae, seaweed sheets (nori), and high-quality herbivore pellets or flakes. Supplement with occasional meaty foods such as mysis shrimp to ensure balanced nutrition.
Minimum Tank Size: At least 180 litres (approximately 50 gallons) to provide ample swimming space and reduce territorial disputes.
Reef Safety: With Caution. While generally reef safe, this species may nip at some sessile invertebrates or coral polyps, so monitor behaviour closely in reef setups.
Lighting Requirements: Standard marine aquarium lighting is sufficient; no special lighting needed.
Water Flow: Moderate to strong water movement mimics natural reef conditions and supports fish health.
Placement: Mid to upper water column. Provide plenty of live rock for grazing and hiding.
Origin: Not Provided.
Maximum Size: Approximately 25 cm (10 inches) in length.
Regular water changes and maintaining pristine water quality are essential for the health of Acanthurus leucocheilus. Avoid housing with overly aggressive species and provide a peaceful community environment where possible.
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