Tastes like prime beef tenderloin with a faint component of clean fish. Not available where I live and very expensive by mail order. Might as well just buy tenderloin, which ain’t cheap, either.
Mahi-mahi sashimi tastes even more like beef, with no fish element.
The Norwegians could have developed methods of outdoor freezing to preserve cod, instead of the lye method. But maybe it doesn’t get THAT reliably cold for long enough.
I think another Nordic country also has a *fermented* fish that has been buried for long enough to rot. So did the Inuit, but they had a natural deep freeze, so it must just be a cultural preference some places.
I have always found it amusing that every culture on earth, from savages in the Amazon jungles to the Inuit of Alaska and the Mongols of Asia and the Pygmies of Africa ALL have a way to make some form of alcohol...................