Look what I espied during my peninsula perambulation

[Bretrick]

Orange clawed crab - Haswell’s Shore Crab?
)

[Eliza]

You brought back a memory of going with my two older brothers to catch Crabs , they had nylon twine with a hook on the end , we sat on the Sea wall dropping it down and waiting for a catch

[butterscotch]

I watched crabs on the beach and rocks when I was young. Most were much smaller than the one in the OP.

[Chilliboot]

Ah… happy memories of using a crab line off Cromer Pier many moons ago