Blacktip reef #shark (Carcharhinus melanopterus). Sharks need protection due to overfishing and bad media image. We need sharks. A healthy reef has sharks. You should be worried if you don’t see any sharks anymore on a reef! Taken by #Underwaterphotographer #DanielSasse #yourshotphotographer #Scubadiving #Aonang #Krabi #instadive #Marinelifeprotection #Ouroceans #Underwaterphotography #natgeo #nature #uwpic #Savetheoceans #Marineconservation #Oceandefender #Saveourseas #underwaterlife #fish #ecowarrior #natgeowild #blueplanet #scubashooter