Interesting, I didn't realize that fur could do that. Thanks for the info, I appreciate it.
There are a few companies that make biodegradable fishing line, though I personally haven't had the chance to use them yet since I mainly fish braided on my caster. I realize that it might not be completely avoidable, but I really just want to minimize the amount of garbage I'm putting into the river, especially after reading about all the microplastics we have in our waterways.