The blue ring angelfish (Pomacanthus annularis) picture was taken inside a cave. Adults can reach 45 cm in length, but mostly seen at around 20 cm. . . . Taken by #Underwaterphotographer #DanielSasse #yourshotphotographer #Scubadiving #Aonang #Krabi #photooftheday #Marinelifeprotection #Ouroceans #Underwaterphotography #natgeo #nature #uwpic #Savetheoceans #Marineconservation #Oceandefender #Saveourseas #underwaterlife #fish #ecowarrior #natgeowild