Green sea turtle (Chelonia mydas), with snorkeler near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

chelonia mydas snorkeler caye caulker belize marine life underwater snorkeling tropical ocean wildlife nature conservation swimming adventure ecology aquatic reef coral experience biodiversity exploration animal interaction ecosystem turquoise water fish coastal environment observation oceanic habitat world tourism trip sea turtles animals formations turtle sighting