The Acanthurus japonicus, or Japanese Surgeonfish, is a visually captivating tang species prized for its vibrant colours and active swimming behaviour. This small variant is perfect for marine aquarium enthusiasts seeking a unique addition to their collection.
Care Level: Moderate to advanced. This species requires stable water conditions and a mature aquarium environment.
Temperament: Generally peaceful but can be territorial towards conspecifics or similar tang species. Best kept singly or in a large tank with ample space.
Diet: Primarily herbivorous. Provide a varied diet rich in marine algae, seaweed sheets, and high-quality herbivore pellets. Supplement with occasional meaty foods to ensure balanced nutrition.
Minimum Tank Size: At least 150 litres (approximately 40 gallons) to allow sufficient swimming room and territory establishment.
Lighting Requirements: Standard marine aquarium lighting is suitable. Ensure lighting supports healthy algal growth for grazing.
Water Flow: Moderate water movement mimicking natural reef currents is ideal.
Placement: Mid to upper levels of the aquarium, with plenty of live rock for grazing and hiding.
Origin: Native to the Western Pacific, including waters around Japan.
Maximum Size: Up to 20 cm (8 inches) in length.
Reef Safe: With Caution. Generally compatible with reef tanks but may nip at coral polyps or clam mantles.
Ensure regular water quality monitoring and maintain stable parameters to keep your Acanthurus japonicus healthy and vibrant.
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