Swimming through seaweed along the ocean floor

seaweed ocean ocean floor sea bed reef sea sponge underwater underwater video underwater photo scuba scuba diver pacific ocean sea grass ocean rubbish enviroment global warming sea level coral bleaching climate change eco ocean conservation marine park marine biology study pollution fish nature animals food vegetation asia sea vegetables china eat kelp plants inhabit algae turtles marine plant aquarium habitat biogeoscience ecosystems ocean plants marine animals aquatic plants sand mangroves