US Military has developed a spying fish called RoboTuna, a robotic tuna fish, to infiltrate the enemy territory.
Virginia Pilot said that the spying fish will keep an eye on enemies entering into the territory through water, inspecting ships and ones searching for underwater mines, the Mirror reported.
Project named as Silent Nemo will have hundred pounds of weighs and 5ft long spy fish that look like a blue fin tuna.
New robotic fish can be controlled by remote control but it can also be programmed to swim a pre-determined route.
The United States Office of Naval Research had been testing tuna for its ability and strengths.
