Puzzled

I was resting on my boat out on the lake, when a shark came by and said, "Would you like to join me for a swim?"

I said, "No."

The shark said, "Can I rest with you on your boat then?"

I said, "Sure."

The shark climbed on the boat and lay next to me.

The shark put its fin on my hand. It was rough. I wondered how it ever became an ingredient in soup.