Answer:
When they are caught, they are thrown away. When they escape, you itch all day.
It can be white or blue or black, Humped or have a horn. And when it talks it sings its menuets, as it's travelling the depths.
I have a shell and live in the sea. I move slowly and can hide in my shell. What am I?
They're actually great swimmers now, but later they will become excellent hoppers.
Edible beach crawler served at seafood restaurants, similar to a lobster, but quite different.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?