Riddles about turtles

I live in a hotel, on the land or in the sea, whatever could I be?

Armored but not a knight, snapping but not a twig, and always at home, even on the move. What am I?

What kind of animal lives longest in zoos?

I have four legs and a tail. I have no teeth. I can swim and dive underwater. I carry my house around with me. I am a...