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grey, ~10 long thin dark barsC straight/slightly concave, blunt, rear edge not whiteAcanthurus chirurgus, the Doctorfish
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blue, + thin wavy lines on sidejuv: yellow/blue/ blue + yellow tailAcanthurus coeruleus, Blue tang surgeonfish
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grey + 2 white bars + dense white dots
C black & whiteAcanthurus guttatus, Spotted surgeonfish, Whitespotted surgeonfish, Mustard tang -
body yellow-brown
behind pectoral: orange bar
dark face maskfins dark, C edge yellowJuv yellowAcanthurus pyroferus, Chocolate surgeonfish, Mimic surgeonfish -
grey; upper head & body + thin black stripes
D,A & C black + blue edges
behind pectoral: yellow blotchtail spine orangeAcanthurus sohal, Sohal surgeonfish, Red sea surgeonfish