Answer:
I am the kind of fish that chases a mouse.
My geometry is lost in the night to be found in daylight's break. The rigors of time have torn me to shreds, yet I stand to protect that which lies within. What am I?
What is easy to get into but hard to get out of?
I go up and never come down no matter how hard you wish. As I get higher, more wrinkles crawl on to the face. What am I?
The more you have me, the less you see. Shine a light on me and I flee. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.