The Acanthurus guttatus, or Spotted Surgeonfish, is a visually captivating tang featuring a unique spotted pattern across its body. This medium-sized marine fish is a popular choice for hobbyists seeking an active and hardy species for their reef or fish-only aquariums.
Care Level: Moderate. This species requires stable water parameters and a well-maintained environment.
Temperament: Generally peaceful but can be territorial towards conspecifics or similar tang species. Best kept singly or in a large tank with ample swimming space.
Diet: Primarily herbivorous. Provide a varied diet rich in marine algae, seaweed sheets (nori), and high-quality herbivore pellets or flakes. Occasional meaty foods can be offered to supplement nutrition.
Minimum Tank Size: 120 litres (approximately 30 gallons) to allow sufficient swimming room and territory establishment.
Reef Compatibility: Yes, with caution. Generally reef safe but may nip at certain sessile invertebrates or soft corals. Monitor behaviour closely in reef setups.
Lighting and Water Flow: Standard reef lighting and moderate water flow are suitable to mimic natural conditions and support algal growth for grazing.
Placement: Mid to upper water column. Provide plenty of live rock for grazing and hiding spots.
Origin: Indo-Pacific region.
Maximum Size: Up to 20 cm (8 inches) in length.
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