Giant Pacific Manta Ray, Revillagigedos Islands, Mexico

Giant Pacific Manta Ray, Roca Partida Sea Mount, Revillagigedos Islands, Mexico
(Deborah Smrekar/Nature’s Best Photography)

“Manta rays sometimes approach divers; an up-close encounter with such a huge, peaceful animal is unforgettable!” -- Nature's Best photographer, Deborah Smrekar.

See more beautiful ocean photos in our slideshow of winners from the 2010 Nature's Best Ocean Views photo contest.

Tags: Scuba diving Skates and rays