Far below the ocean's surface, in the dark depths of the deep sea floor ecosystem (about 3,000 feet or 1,000 meters deep), exists an entire world of deep sea creatures that humans rarely glimpse.

One new species was kept in captivity for years while another has become a local food delicacy, researchers said.

A scientist has found that 53 sea creatures previously thought to be silent can actually communicate. The creatures were sending message all along, but humans had never thought to listen to them ...