The Ctenochaetus striatus, or Striated Surgeonfish, is a popular choice among marine aquarists seeking a peaceful, algae-grazing tang. This small variant is well-suited for established reef tanks and contributes to natural algae control, helping maintain a healthy aquarium environment.
Temperament and Compatibility: Generally peaceful, the Striated Surgeonfish coexists well with other non-aggressive fish species. It may show territorial behaviour towards conspecifics or similar tang species, so it is best kept singly or in a large tank with ample space.
Diet: Primarily herbivorous, this species thrives on a diet rich in marine algae and seaweed. Supplement with high-quality spirulina flakes, nori sheets, and occasional meaty foods to ensure balanced nutrition.
Tank Requirements: A minimum tank size of 120 litres (approximately 30 gallons) is recommended to provide sufficient swimming space and grazing surfaces. Stable water parameters with regular maintenance are essential for optimal health.
Reef Compatibility: Reef safe with caution; generally compatible with corals but may nip at certain soft corals or polyps. Monitor behaviour closely when introducing to reef setups.
Care Level: Moderate. Requires stable water conditions, a varied diet, and a well-established aquarium with plenty of live rock for grazing.



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