GEORGETTE DOUWMA / SCIENCE PHOTO LIBRARY GEORGETTE DOUWMA / SCIENCE PHOTO LIBRARY
Powder blue surgeonfish, or tang (Acanthurus leucosternon), in front of a pink soft coral. This fish inhabits coral reefs in the tropical Indo- Pacific region. It is usually solitary, but occasionally forms large feeding groups. It can reach a length of over 50 centimetres. Photographed in the Andaman Sea, Thailand.
Model release not required. Property release not required.