Their presence has enraged shellfish divers who see the marine ... Chase Dekker/Getty Images The apparent all-or-nothing battle lines between otters and shellfish is more complex than it first ...

The term "Haenyeo," or "sea women," refers to women who use free-diving techniques to retrieve shell fish from the sea floor. CREDIT: Ed Jones/AFP via Getty Images. Get the Popular Science daily ...

“Why these images are so spectacular and so popular is they’re so otherworldly,” underwater diver Ned DeLoach told the New York Times. “People have never imagined that creatures like this ...

“We are worried about the numbers of shellfish, especially scallops and lobsters, which are being taken by recreational divers,” said Julie Hatcher, the trust’s marine awareness officer.

The Everett, Wash., company captured detailed sonar images of the 697-foot wreck, which lures divers with the promise of underwater adventure but also holds considerable peril. The images ...