"I prithee, let me bring thee where crabs grow; and I with my long nails will dig thee pignuts"

Hermit crabs, of course, did not grow their own shells; they took over occupancy of deserted shells formed by other creatures.

Q: How do crabs grow?

As the hermit crab grows in size, it has to find a larger shell and abandon the previous one.

As hermit crabs grow they require larger shells.

I said to Dan: 'The crabs have grown larger, much larger.

As the hermit crab grows, an overly snug shell is abandoned in favour of a larger abode.

As the hermit crabs grow, they must exchange their shell for a larger one.

The crab grows a new leg when the old one is torn from its flesh.

As the hermit crab grows in size, it must find a larger shell.