blacktip reef shark in blue water

adventure animals beautiful behavior biodiversity biology blacktip bleaching blue bright colony colorful colors conservation coral decay deep diver diverse diversity diving ecology ecosystem environment evolution fish habitat healthy indonesia island islands large life marine melanesia melanesian natural nature niche ocean ocellaris orange pacific reef reefscape research scenery scenic science scuba sea seascape shallow shark sharks snorkeler snorkeling solomon species swim symbiosis symbiotic tidal tide tourism travel tropical tropics underwater water wild wilderness wildlife