The Acanthurus guttatus, commonly known as the spotted surgeonfish, is a captivating addition to any large marine aquarium. Recognisable by its unique spotted pattern and streamlined body, this species is a lively swimmer that adds dynamic movement and colour to your tank.
Care Level: Moderate to advanced. This species is best suited for aquarists with some experience in maintaining stable marine environments.
Temperament and Compatibility: Generally semi-aggressive, the Acanthurus guttatus can be territorial, especially towards conspecifics or similar tang species. It is advisable to keep only one individual per tank unless the aquarium is exceptionally large. Compatible with a variety of other robust marine fish, but caution is advised when housing with smaller, more passive species.
Diet: Primarily herbivorous, this tang thrives on a diet rich in marine algae and seaweed. Supplement with high-quality dried seaweed sheets, spirulina, and occasional meaty foods such as mysis or brine shrimp to ensure balanced nutrition.
Minimum Tank Size: Due to its active swimming nature and potential adult size, a minimum tank volume of 180 litres (approximately 50 gallons) is recommended to provide ample space.
Lighting and Water Flow: Standard marine aquarium lighting is sufficient. Moderate to strong water flow mimics natural reef currents and supports the fish’s health and activity levels.
Placement: Provide plenty of live rock for grazing and hiding spots. Open swimming areas are essential to accommodate its active behaviour.
Origin: Not Provided.
Maximum Size: Approximately 25 cm (10 inches) in length.



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