Answer:
When I am caught I am thrown away. When I escape you itch all day.
When you stop and look you can always see me. If you try to touch you cannot feel me. I cannot move but as you near me I will move away from you.
I have a head tail but no arms and legs.
I stink in living but when dead smells good.
I am all around, yet to me you are half blind. Sunlight makes me invisible and difficult to find. What am I?
Often cooked as fillet, this meat comes from an animal that swims underwater.