The circle of life...
Those surface ones are easy, just scrape them off…
Worms scare me. I’ve seen summer YTs who have them… A lil’ black rope hanging straight out of the flash…
Anisakis simplex, those tiny curly worms that halibut often have are the ugliest.
http://en.wikipedia.org/wiki/Anisakis
I don’t know anyone who has caught more than a few halibut who likes to talk about it.
Safe handling procedure when it comes to fish parasites – thoroughly cook your fish. The safest – freeze it before eating.
If eating raw… Open up your eyes.