The Paracanthurus hepatus, commonly referred to as the Blue Tang or Palette Surgeonfish, is a stunning addition to any marine aquarium. This small variant is prized for its vibrant blue body contrasted with black markings and a bright yellow tail. Known for its active swimming behaviour and peaceful temperament, it is a popular choice among marine fish enthusiasts.
Care Level: Moderate to advanced. This species requires stable water conditions and a well-established tank.
Temperament: Generally peaceful but may show territorial behaviour towards conspecifics or similar tang species. Best kept singly or in a large tank with ample space.
Diet: Primarily herbivorous. Provide a varied diet rich in marine algae, seaweed sheets (nori), and specialised herbivore pellets. Supplement with occasional meaty foods such as mysis or brine shrimp to ensure balanced nutrition.
Minimum Tank Size: At least 100 litres (approximately 26 gallons) to allow sufficient swimming space and reduce territorial stress.
Reef Safety: Yes. Compatible with reef environments and generally safe with corals and invertebrates.
Lighting Requirements: Standard marine aquarium lighting suitable for reef tanks.
Water Flow: Moderate to strong flow mimicking natural reef currents.
Placement: Mid to upper levels of the aquarium where it can swim freely and graze on algae.
Origin: Indo-Pacific region.
Maximum Size: Up to 25 cm (10 inches) in captivity.
Regular water changes and stable water parameters are essential to maintain health. Avoid sudden changes in water chemistry and ensure the tank is mature with plenty of live rock for grazing.
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