Orange Shoulder Tang – Acanthurus olivaceus – Small Adult

As a juvenile, the Orange Shoulder Tang (Acanthurus olivaceus) is yellow-green and a faint orange marking behind the gill. As the fish matures, its yellow coloration fades to gray-olive, darker in the back and lighter in the front. A larger, more vibrant orange marking with blue edges becomes visible behind the eye running down the side of the fish.

Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although \