Answer:
Looks like a hippo crossed with a unicorn.
The ones in the sea are prickly, but the ones on the street might pickpocket you.
I'm a lion with a human head. Guess my Riddle or you'll be dead.
What kind of fish chases a mouse?
What peels like an onion but still remains whole?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.