[Williamhawk]

I was watching something on TV yesterday about a surfer who caught a spinner shark. He then wanted to take the hook out of its mouth and release it, except that, of course, the shark bit his hand. Thank God spinner sharks don’t have several rows of jagged teeth, but only one row of sharp pointy teeth, and the guy’s hand was not torn off. Anyways, after he got his hand out (by separating the jaws of the shark), they threw the shark back into the ocean, and the narrator said that that hook will rust off with no problem. I always thought that hooks stayed lodged in the mouth of the fish until they die.
How does it “rust off” and how does the hook “unhook” itself, and does this really happen?

I didn’t find the right solution from the internet.

References:
https://able2know.org/topic/142025-14536545

whiteboard animation

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