The US Navy is investing in drone fish and is testing a robotic tuna in the waters surrounding Joint Expeditionary Base East in Virginia Beach.

Dubbed Ghost Swimmer by the Navy, Silent Nemo is designed to look and swim like a blue fin tuna. At five feet long and around 100 pounds. Unlike a real tuna though, it is not particularly tasty.

The Navy's Rapid Innovation Cell says they've had to “take thousands of years of evolution…and try to incorporate that into a mechanical device.” According to the Navy PR they are “reverse-engineering nature,” and plan to have the drone ready for deployment within the next twelve months.

With its rubbery-looking skin and wriggling fins look an awful lot like the real thing swimming through the water – or at the very least David Hasselhoff. It is much harder to detect than a more conventional drone, although it could end up in some Japanese sushi. (What, no 'lasers attached to their heads' joke Nick? Ed)