Acanthurus tennentii, commonly known as Tennent’s Surgeonfish, is a visually stunning tang species renowned for its distinctive blue and yellow markings and bold patterning. This Extra Large specimen is ideal for experienced marine aquarists seeking a showpiece fish for a spacious reef or fish-only aquarium.
Care Level: Moderate to advanced care is recommended due to its size and specific dietary needs.
Temperament: Generally semi-aggressive; may show territorial behaviour especially towards other surgeonfish. 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 specialised tang pellets. Occasional meaty foods can be offered to supplement nutrition.
Minimum Tank Size: At least 250 litres (approximately 65 gallons) to accommodate its active swimming and territorial nature.
Reef Safety: With Caution. May nip at coral polyps or clam mantles; monitor closely in reef setups.
Lighting and Water Flow: Standard reef lighting and moderate water flow are suitable, replicating natural reef conditions.
Placement: Provide plenty of live rock for grazing and hiding spots. Ensure open swimming areas to support its active behaviour.
Origin: Not Provided.
Maximum Size: Up to 35 cm (14 inches) in length.
Due to its size and temperament, Acanthurus tennentii Extra Large is best suited for advanced hobbyists with established marine systems. Regular water quality monitoring and a balanced diet will ensure optimal health and vibrant colours.
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