Answer:
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find
My first is in fish but no in snail. My second is in rabbit but no in tail. My third is in up but not in down. My fourth is in tiara but not in crown. My fifth is in tree you plainly see. My whole a food for you and me.
I'm not really more than holes tied to more holes. I'm strong as good steel, though not as stiff as a pole.
A skin have I, more eyes than one. I can be very nice when I am done.
My teeth are sharp, my back is straight, to cut things up it is my fate.
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?