Scopas TangThe Scopas Tang, also known as the Brown Scopas Tang is yellow, dorsally, and brown, ventrally. These colors gradually get darker from front to back. The body is covered with fine, intricate, light blue markings. The tail is a solid brown color. Juveniles are a little more attractive, with larger dorsal and anal fins and a slightly purplish body color. A 125 gallon or larger aquarium is necessary to provide plenty of swimming room. It is aggressive