Answer:
What is red and nailed to a wall?
What kind of pet always stays on the floor?
I open wide and tight I shut, Sharp am I and paper-cut fingers too, so do take care, I'm good and bad, so best beware.
What flies around all day but never goes anywhere?
I crawl on the earth. And rise on a pillar.
Often cooked as fillet, this meat comes from an animal that swims underwater.