image of a turtle swimming in the ocean

underwater sea turtle galapagos islands serene marine aquatic oceanic graceful flippers coral reef currents tranquility exploration biodiversity life submerged gliding peaceful azure seagrass majestic endangered conservation seafloor seascapes sanctuary biologist seahorse algae seashells seafaring submersible ecosystem seafolk seashore seagulls seamount seashell collection meadow mapping adventure crafts tales jewelry restoration folklore image swimming ocean explores depths