Answer:
Hold the tail, while I fish for you.
What turns from red to black as soon as it touches water?
What flares up and does a lot of good, and when it dies is just a piece of wood?
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
Without a bridle, or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see.
My days are numbered.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?