How Does a Hermit Crab Change Shells? In the Most Remarkable Way!
Sunday, 23 August 2020
Hermit crabs use sea shells as their homes but as the crab grows they need to move on and move up the property ladder. You might think that they simply find a bigger shell and slip in to that but the process can be rather more extraordinary.
As humans we often form chains in order for many people to move at once. It is the same for the hermit crab with a number of crabs lining up to exchange – in strict order of size. Of course the odd bit of gazumping goes on, as you can see in this fascinating footage narrated by David Attenborough.
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