Tagged Animal “Army” to Help Map Ocean, Experts Say

Equipped with high-tech data-collection tags, a veritable army of marine animals is being prepped to swarm the North Pacific Ocean on a reconnaissance mission of epic proportions. Their mandate is simple: Live a normal life.

The tags collect data on the behavior and environmental preferences of these animals, helping researchers create interactive, three-dimensional portraits of the inner workings of what may be Earth’s last great unknown, the ocean.