Answer:
I can 'fly' underwater and have eight arms. What am I?
I'm a large animal with a hump on my back. I'm used for transport in the desert. What am I?
The ones in the sea are prickly, but the ones on the street might pickpocket you.
I have a shell and move very slowly but I don't live in the sea. What am I?
A spent round or a slimy critter.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?