Surgeonfishes phylogeny Moorish idol Bluespine unicornfish Barcheek unicornfish Short-nosed unicorn Bignose unicornfish Palette surgeonfish Sailfin tang Yellow tang Tangs Black-barred Surgeonfish Black surgeonfish Powderblue surgeonfish Achilles surgeonfish Whitecheek surgeonfish Ring-tailed lemur Brown Tang Lined surgeonfish Chocolate surgeonfish Fine-line bristletooth Yellow-tip bristletooth Yelloweye tang Sohal surgeonfish Orange-shoulder Surgeonfish Blackstreak surgeonfish Ring-tailed lemur Eyestripe or Hawaiian Surgeonfish Yellowfin surgeonfish Elongate surgeonfish