Aerial view of the Great Barrier Reef in Australia. Photo courtesy of Tobias Begemann.
Great Barrier Reef coral. Photo courtesy of Shwollo from Wikimedia Commons.
Lionfish, photo courtesy of Pxfuel.
Coral bleaching, photo courtesy of James Gilmour, Australian Institute of Marine Science.
A blue clam at the Great Barrier Reef. Photo courtesy of csharker, from Pixabay.
A shark roams the Great Barrier Reef. Photo courtesy of bluegroper, from Pixabay.