Answer:
Only two backbones and thousands of ribs.
What gets closer when you blink?
Voiceless it cries, wingless flutters, toothless bites, mouthless mutters.
What comes once in a minute, twice in a moment, but never in a thousand years?
What two things can always see what the other sees, but can never see each other?
you hold my tail while I fish for you
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?