The black-bodied robot fish is about four feet long, and resembles a real fish in both shape and movement. The robot is controlled remotely with a palm-sized control pad. It also has automatic navigation controls and swims at about four kilometers per hour for up to three hours.
The robofish from China is described as being "flexible in action, easy to operate and makes little disturbance to surrounding environment." It has been tested in an underwater search of a sunken warship last August.
This sophisticated robot might be the direct ancestor of the Mitsubishi turbot, the robofish that is the star of Michael Swanwick's 2002 novelette Slow Life. In the story, astronauts gamely explore Titan, one of the moons of Saturn, while doing good public relations by answering constant questions posed for them over the Web. The robofish is used to swim not just in water, but in icy lakes of methane and ammonia:
(This Science Fiction in the News story used with permission from Technovelgy.com - where science meets fiction.)