Paracanthurus hepatus, commonly known as Blue Tang, or Dory from the Disney film Finding Nemo, is a species of Indo-Pacific surgeonfish that can be found in coral reefs of East Africa, Japan, Samoa, New Caledonia, and the Great Barrier Reef. Popular in aquaria around the world, it is another organism which depends in part on the health of coral reefs. This specimen was photographed in San Francisco’s Aquarium of the Bay. You can learn more about how the world’s coral reefs are changing and adapting in vedphoto’s upcoming Reactive Reefs exhibition at www.vedphoto.com/reactive-reefs