This hidden canyon in the Mediterranean teems with whales and dolphins. But it’s under threat

Eight photos: Saving the vast underwater valley beneath the Mediterranean 8 photos Caprera Canyon is a biodiversty hotspot off the coast of Sardinia, Italy. The striped dolphin is one of the most frequently spotted species there. Researchers say dolphins rely on this submarine canyon for breeding and feeding. One Ocean Foundation Eight photos: Saving the vast underwater valley beneath the Mediterranean

Caprera Canyon is a biodiversty hotspot off the coast of Sardinia, Italy. The striped dolphin is one of the most frequently spotted species there. Researchers say dolphins rely on this submarine canyon for breeding and feeding. One Ocean Foundation

Its strong currents attract many marine animals, such as the loggerhead turtle, seen at the surface. One Ocean Foundation

Caprera