Blue Caribbean Tang - Acanthurus Coeruleus Royalty-Free Stock Photography

THe Blue Caribbean Tang, also known as the Atlantic Blue Tang, Blue Tang Surgeonfish, and simply the Blue Tang, has an oval body with bold markings that change as the fish matures from juvenile to adult. A juvenile is bright yellow with two blue bands at the eyes, and additional blue markings at the fringes of the dorsal and caudal fins. When mature, the blue will become even brighter with markings running horizontally along the entire body. It may have a yellow tail.