Will Robot Spider Crab Be Able To Protect Crab From Stingray

Spider crabs rise up from the abyss in their thousands to shed their protective shells but, as our Spy Crab soon discovers, this makes them an easy target for hunting stingrays. But there’s protection in numbers & those still with armoured shells form a crustacean fortress that protects the vulnerable crabs inside. Spy Crab finds itself alone & unprotected and an easy target for the rays. Clip taken from episode 3 'Deep Relationships' of our series Spy in the Ocean. Spy in the Ocean is available on iPlayer in the UK & will be available on PBS in the US in the autumn. You can watch it now in the UK on BBCiPlayer: In this episode our Spies reveal the extraordinary relationships that exist among the creatures of the ocean. Sharks have a reputation for being solitary killers, but when Spy Hammerhead joins a huge gathering of hammerhead sharks it discovers they can be surprisin