What about his ring?

I know it was just an instant reaction and they were thinking about the photos and stuff, but they probably just killed that little whale. I highly doubt it's digestive system can handle lures and spinners and weights and stuff.

Leave it there, my ass...get the hell away from my halibut!

Don't leave it there. Yank it out, pull the hook, and then give it back to him.

*nsfw

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The only issue would likely be if the hook(s) got caught in it's intestines. With any luck, they would be degraded enough by stomach acid that they would break if caught. Consider the size of the animal, a piece of wire and a few beads and/or spoons would pass right through, probably un-noticed. Even the lead shouldn't be a problem. These animals eat full size seals, with sharp heavy bones all the time, and they do just fine. That said, it would have been the right thing to do to remove the tackle before feeding the whales.
Now, when this happens salmon fishing it's usually a seal stealing the fish, and they often just bite the body off so they don't eat the hooks. The whale likely didn't get the whole fish (since it was still attached to the line and being pulled) so tackle may not be an issue at all.

A bigger MAMMAL than expected. Wait... not a fish but a mammal... no, no -- a thing that's bigger than another thing which was expected but this was not... expected. A bigger flipper than -- no, no, flipper was a dolphin, but was a mammal. Definitely definitely too small. This was BIG.

Yeah I've had this happen several times up here. You really have no choice but to jump down onto the back of the orca and hit him repeatedly with the fish club.

I wonder if he did that ring thing to prove to his wife it was really him. Maybe last time he showed her something like this she was all, "Yeah, yeah, yeah, I saw that shit on YouTube last week."

Accuracy is key.