Ctenochaetus truncatus, commonly known as the Medium Tang, is a striking addition to any marine aquarium. Recognisable by its distinctive bristle-like teeth, this species specialises in grazing on algae and detritus, helping to maintain a clean and balanced tank environment.
Care Level: Moderate. This tang requires stable water conditions and a well-established aquarium with ample live rock for grazing.
Temperament: Generally peaceful but may show territorial behaviour towards conspecifics or similar tang species. Best kept singly or in a large tank with sufficient space.
Diet: Primarily herbivorous. Provide a diet rich in marine algae, spirulina, and specialised tang foods. Supplement with occasional meaty foods to ensure balanced nutrition.
Minimum Tank Size: 120 litres (approximately 30 gallons) to allow adequate swimming space and territory.
Reef Safety: Yes. Safe for reef aquariums as it primarily feeds on algae and does not nip at corals.
Lighting and Water Flow: Moderate lighting and moderate water flow mimic its natural reef habitat, promoting healthy grazing behaviour.
Placement: Provide plenty of live rock for grazing and hiding spots. Avoid overcrowding with other tangs to reduce territorial disputes.
Origin: Indo-Pacific region.
Maximum Size: Up to 18 cm (7 inches) in length.
With proper care, the Ctenochaetus truncatus is a valuable and visually appealing member of a marine aquarium, contributing to algae control and ecosystem balance.
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