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achilles x A. nigricans
Acanthurus achilles x
Juvenile, Puako, Hawaii, 25 feet
HYBRID ACHILLES' x WHITECHEEK SURGEONFISH
One of the few reef fishes known to hybridize in Hawaii;
rarely seen. Head and mid-body of Achilles'
Tang. Posterior half of body like Whitecheek
Surgeonfish. Tail is similar to an Achilles' but the orange bar is pale.