Rangiroa is a laid-back island paradise full of underwater wonders, including abundant sharks. It's the largest coral atoll ...

Sharks are found in every ocean on Earth, in habitats ranging from ... Two shark species live at Kavachi, an undersea volcano in the South Pacific, earning it the nickname "Sharkano." ...

Pacific sleeper shark photographed at 3,125 feet depth by ... it plays a vital role in global ocean circulation. Formed at the convergent boundary where the Pacific Plate subducts beneath the ...