Answer:
What is long and slim, works in light. Has but one eye, and an awful bite?
When it is alive we sing, when it is dead we clap our hands. What is it?
It's in your hand though you can not feel it. Only you and time can reveal it.
What force and strength cannot get through. I, with a gentle touch, can do. Many in the street would stand. Were I not a friend at hand.
Add a T and I shoot through the sky. Then add an S and I multiply. What word is it?
Often cooked as fillet, this meat comes from an animal that swims underwater.