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claws
Crabs, lobsters and shrimps have been the masters of our seas since before the age of the dinosaurs.
Discover how they have colonised the world's oceans - from rockpools to deep-sea trenches - and come face to face with some of the strangest species.
Learn all about these amazing armour-plated creatures and encounter everything from comical cleaner shrimps and hermit crabs to giant spider crabs and ancient lobsters - there's event one species of crab that likes dressing up!