Orange Shoulder Tang (Acanthurus olivaceus) starfish Lower to mid areas of

Lower to mid areas of the aquarium

Reef-safe (will not harm corals or most invertebrates)

provide ample space for branching expansion and avoid direct contact with aggressive coralsTemperature: 76–80°F (24–27°C)Salinity: 1

DC 600: up to 600 L

Orange Shoulder Tang (Acanthurus olivaceus) starfish Lower to mid areas ofAcanthurus olivaceus, commonly known as the Orange Shoulder Tang, is a large and visually distinctive surgeonfish known for its dramatic color transformation as it matures. Juveniles display a bright yellow body, while adults develop a more subdued grey to olive coloration with a striking orange patch on the shoulder, creating a bold contrast and a unique visual progression within reef aquariums. Its size, presence, and constant grazing behavior make