By Sarah Griffiths - Daily Mail
Space may be the final frontier, but there is still an vast expanse of uncharted territory deep beneath the sea on our own planet.
But this could be about to change thanks to an unlikely new aid to explorers and scientists: a giant robotic crab.
Makers of the monstrous machine claim that it's the world’s largest and deepest underwater walking robot.
Weighing in at 1,400lbs (635kg), Crabster CR200 is designed to scuttle along the sea floor like a real crustacean and uses complex mechanics to stabilise itself.
It is envisioned that the robot could be used in scientific exploration projects as well as fixing structures far beneath the waves such as pipes used to carry oil and gas.
In a concept video, the team imagines that robot might be able to pick up objects and stow them in a compartment that looks a bit like a mouth, although the real version does not have these features.
Because of its size and weight, the robot could also be used instead of a scuba diver in strong underwater currents.