The smiling whale shark :)

The whale shark (Rhincodon typus) is the largest fish on Earth. They spend most of their lives in the deep water up to 200 meters or more, but swim up to the surface to gather food and warm their bodies. In Kwatisore—located in Cenderawasih Bay National Park, Papua, Indonesia—they interact with bagans (fishing platforms on the water's surface), which provide ikan puri (anchovy), a staple in their diet. Swimming with the gentle giants is an exhilarating and deeply rewarding experience.