Paracanthurus hepatus, commonly referred to as the Regal Blue Tang, is a popular choice among marine aquarium hobbyists due to its vivid blue body and contrasting yellow tail. This medium-sized tang is best suited for well-established tanks with ample swimming space.
Care Level: Moderate to advanced. This species requires stable water parameters and a spacious environment.
Temperament: Generally peaceful but can be territorial towards conspecifics or similar-shaped tangs. Best kept singly or in a large tank with plenty of hiding spots.
Diet: Omnivorous with a preference for marine algae and seaweed. Supplement diet with high-quality marine flakes, pellets, and occasional meaty foods such as mysis shrimp.
Minimum Tank Size: 150 litres (approximately 40 US gallons) to provide sufficient swimming room and reduce stress.
Lighting and Water Flow: Standard reef lighting is suitable. Moderate to strong water flow mimics natural reef conditions and helps maintain fish health.
Placement: Mid to upper water column. Provide live rock for grazing and shelter.
Origin: Indo-Pacific region.
Maximum Size: Up to 30 cm (12 inches) in length.
Reef Compatibility: With caution. While generally reef safe, they may nip at certain sessile invertebrates or coral polyps.
Regular water changes and maintaining pristine water quality are essential for the health of Paracanthurus hepatus. Avoid sudden changes in water parameters and provide a varied diet to prevent nutritional deficiencies.
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