"In the lagoon of Mayotte, ... Photograph by Gabriel Barathieu, UPY 2017. PHOTOGRAPHY; ... These images will help you see coral reefs in a whole new way. ANIMALS.

A vibrant and striking photo of an octopus spreading its tentacles in an Indian Ocean tide pool won diver Gabriel Barathieu the title of Underwater Photographer of the Year (UPY) 2017. Over just ...