The Maryland researchers concluded that while many fish launch out of the water into the air to capture prey, migrate, or avoid predators, the guppies have a different evolutionary motive: to reach all the available habitat in Trinidad's mountain streams.

CNN: After a swimming start, guppies jump, researchers find

Fothergill and Linfield used state-of-the-art camera technology to capture nature's predator-prey interplay from great distances without disrupting the hunt.

CNN: 'Earth' takes viewers on 'breathtaking' global journey