Thanks for your support, a rear commodity on this forum.
(OK, I admit I do deliberately provoke at times, but it is NOT TROLLING)
As for pickled fish, I assume you mean "Gravlax"? There is also the pickled herring, which is more of a Dutch speciality.
I assume you have not been introduced to "Rakørret", another traditional specially. (Fermented Trout) All of which is fine with me, but the last only at X-mas.
PS> The Swedes have a specialty that stinks even more, "Sur Strømning"
"Oh Durian, oh Durian, you smell like hell, but taste like heaven".
Yes I eat them, but out of season when I was in Singapore a couple of months earlier this year. I only had it once, imported from Thailand, I believe. An acquired taste for sure.