Thresher shark turning over coral reef with blue ocean in background

thresher shark fox shark alpias pelagicus pelagic shark predator elasmobranch cartilaginous evolution blue malaspcua philippines shark dive schark diving scuba scuba diving scuba divers aqua aquatic water saltwater saltwater animal saltwater fish marine animal marine species marine lifem marine critter creature indopacific tropical exotic vacation holiday environment habitat ocean oceanic sea sealife sea life outdoor outdoors vulnerable endangered fish species swimming close upapproach pov tail malapascua