I had been wanting to film Eunice aphroditois, a Bobbit worm, for years. It’s a giant carnivorous worm that can grow over a metre long. With dagger sharp jaws and lightning fast reactions ...

If you haven't seen a Bobbit worm yet - stick around ... You'd think 30-metre long threads containing stinging cells which could kill a human would be enough to put you off swimming near a ...

David Attenborough introduced us all to a nightmarish creature known as the bobbit, a metre-long worm with jaws as sharp as daggers – and we're not likely to forget about it any time soon.