Robot fish "The Living Ocean and Coast" South Korea [16-May-12 © PressTV]

An international techno expo in South Korea is featuring the latest in ocean technology including robotic fishes.

"The Living Ocean and Coast" is the theme of the 2012 event, which is billed as the biggest gathering of robots of its kind. Robots on display here are pre-programmed to collect data from particular parts of the deep ocean. Many are built to blend with the environment in the shapes of sea creatures, like crabs or starfishes. Some are equipped with lasers to detect and analyze underwater riches.