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The army of giant crabs invades the ocean floor 6/20/2016 •

Have you ever seen crab migration? Yep, you've probably seen. This time we're gonna show you something completely different.


A spectacular migration of crabs usually starts at the beginning of the wet season (October/November). However, behaviour of Japanese spider crabs deviates from the behaviour of other crab species. At the middle of June, giant crabs begin to shed their shells, then becoming vulnerable to predators.

This is how crab moulting looks:

Luckily, these creatures have found the way to keep themself safe and it does look impressive! Scientists call it "Safety in numbers".

Enjoy more with QuizzClub:

Does it look creepy? Have you ever witnessed giant crabs' migration? Please, share your experience in the comments below!

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