Earlier quoted context omitted.
You are welcome to have ALL of mine. I've had Swedish fermented herring, and not only did it smell awful, but I became disgusted with the Ammonia and H2S smell in my own mouth. The friend who had conned me into trying it then dumped it in the trash and his Swedish wife got upset because of the stench and made him take the entire bag of trash out at night when it was unpleasantly cold, wet, and windy. Turns out she's…
Fish sauce is another kind of fermented fish. While it is definitely pungent and is disliked or an acquired taste for some, it isn't nearly as intense as what you describe and is loved by many. Southeast-asian-style fish sauce does not have an ammonia smell. Perhaps not all fermented fish is the same. I doubt the Japanese one discussed here is similar to that Swedish dish, or has an ammonia smell. > Fish sauce is a l…
As author of the parent comment, I like both of those sauces and cook with them... but fermented whole fish (herring) is another kettle of fish entirely!