Yesterday I was finally able to photograph the beautiful Phestilla melanobrachia aeolid. It has both black and bright orange-yellow colour forms. Happy I caught the black one, the colour matching the colour of the dendrophylliid coral (Tubastrea, Dendrophyllia) on which specimens are feeding. . . Taken by #Underwaterphotographer #DanielSasse #yourshotphotographer #Scubadiving #Aonang #Krabi #photooftheday #Marinelifeprotection #Ouroceans #Underwaterphotography #natgeo #nature #uwpic #Savetheoceans #Marineconservation #Oceandefender #Saveourseas #underwaterlife #fish #ecowarrior #natgeowild