The Acanthurus nigricauda, commonly known as the Blacktail Surgeonfish, is a captivating tang species prized for its distinctive black tail and elegant body shape. This large marine fish is a peaceful addition to well-established reef or fish-only aquariums, provided its care requirements are met.
Temperament and Compatibility: Generally peaceful, the Blacktail Surgeonfish can coexist with other tangs and similarly sized fish but may show territorial behaviour towards conspecifics or closely related species. It is best housed singly or in a large tank with ample swimming space to reduce aggression.
Diet: Primarily herbivorous, this species thrives on a diet rich in marine algae and seaweed. Supplement with high-quality herbivore flakes, pellets, and occasional meaty foods to ensure balanced nutrition.
Tank Requirements: Due to its active swimming nature and potential size, a minimum tank size of 180 litres (approximately 50 gallons) is recommended. Provide plenty of live rock for grazing and hiding spots. Stable water parameters and good filtration are essential for optimal health.
Reef Compatibility: With Caution. While generally reef safe, the Blacktail Surgeonfish may nip at certain corals or sessile invertebrates, especially if underfed or stressed.
Origin: Not Provided.
Maximum Size: Approximately 30 cm (12 inches).
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