Yes I’m fully aware of what Costal Transport do and the rules that classify their vessels as “fishing vessels”, although the are actually freighters.
The title of the thread says “Working Boats” , which I take to including vessels that actually catch fish.
Here is another video about an American fishing vessel at work in Alaska:
A Factory trawler in this case:
Northern Eagle was built in 1967 at Trinity Beaumont Shipyard as container vessel Hawaiian Princess. Converted to a Factory trawler by Ulstein Hatlø in 1987: