The Blue Tang or Hepatus Tang (Paracanthurus hepatus)

These relatively uncommon fish with their unmistakable bright blue color are one of the most spectacular fish on the reef.
We can usually find them in certain areas, but they must be approached slowly as they quickly hide in the nearest coral as a diver gets close.

Photo by Kazuyoshi Hayashi of Sirena Marine Service - Rota Island - Northern Marianas - Micronesia

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