Answer:
What jumps when it walks and sits when it stands?
I'm a red creature from the sea with large claws, or pincers, and I'm often boiled and served as an expensive dish at seafood restaurants.
What do tigers have that no other animal can have?
When it was young, it had a tail. When it grew up, it had knees
The ones in the sea are prickly, but the ones on the street might pickpocket you.
What is always coming but never arrives?