The Naso annulatus, commonly referred to as the Spotted Unicorn Tang, is a visually stunning species prized in the marine aquarium hobby. This extra large specimen showcases its characteristic elongated body, distinctive spotted pattern, and prominent forehead horn, making it a captivating centrepiece for large reef or fish-only marine tanks.
Care Level: Moderate to advanced. Due to its size and specific husbandry needs, this species is best suited for experienced aquarists.
Temperament: Generally peaceful but can be territorial towards conspecifics or similar tang species. It coexists well with other non-aggressive tank mates.
Diet: Herbivorous. The Naso annulatus thrives on a diet rich in marine algae and seaweed. Supplement with high-quality dried seaweed sheets, spirulina, and occasional meaty foods to ensure balanced nutrition.
Minimum Tank Size: A minimum of 350 litres (approximately 90 gallons) is recommended to provide ample swimming space and maintain water quality.
Lighting Requirements: Standard reef lighting is suitable, especially if housed in a reef environment with live corals.
Water Flow: Moderate water movement mimicking natural reef currents is ideal to promote health and activity.
Placement: Provide plenty of open swimming areas along with live rock for grazing and shelter. Avoid overcrowding to reduce stress.
Origin: Not Provided.
Maximum Size: Can grow up to 45 cm (18 inches) in length, necessitating a large aquarium setup.
Reef Safe: With Caution. While generally reef compatible, the Naso annulatus may nip at certain sessile invertebrates or delicate corals, so monitoring is advised.
Overall, the Naso annulatus is a spectacular addition to a large marine aquarium, combining beauty with active behaviour. Proper care and environment will ensure this extra large tang thrives and becomes a highlight of your collection.


