A dolphin, equipped with what is believed to be the world's first artificial fin, demonstrated her swimming and jumping skills to celebrate her recovery at a Japanese aquarium.

The dolphin, named Fuji, carried a message in a case with her mouth, splashed the water with a giant jump and climbed onto a stage in front of 750 spectators at the Churaumi Aquarium on the sub-tropical island of Okinawa.

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