The Acanthurus guttatus, commonly referred to as the Whitespotted Surgeonfish, is a visually captivating tang species prized for its distinctive spotted pattern and active swimming behaviour. This small tang reaches a manageable size, making it suitable for medium-sized marine aquariums.
Care Level: Moderate to advanced. This species requires stable water parameters and a well-established tank.
Temperament: Generally semi-aggressive. It can be territorial, especially towards other tangs or similar-shaped fish, so careful consideration is needed when selecting tank mates.
Diet: Primarily herbivorous. Provide a varied diet rich in marine algae, seaweed sheets, and specialised herbivore pellets or flakes. Supplement with occasional meaty foods to ensure balanced nutrition.
Minimum Tank Size: 120 litres (approximately 30 gallons) to provide ample swimming space and reduce territorial behaviour.
Lighting & Water Flow: Standard reef aquarium lighting is suitable. Moderate water flow mimics natural reef conditions and supports the fish’s health.
Placement: Best housed in a tank with plenty of live rock for grazing and hiding spots. Avoid overcrowding to reduce stress.
Origin: Not Provided.
Maximum Size: Approximately 15 cm (6 inches).
Reef Safety: With Caution. While generally reef safe, this species may nip at some sessile invertebrates or coral polyps.
Overall, the Acanthurus guttatus is a rewarding addition for marine aquarists seeking a tang with unique markings and active behaviour. Ensure proper tank conditions and compatible tank mates for optimal health and longevity.



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