My absolute fave fave fave!
Here is a short history from this site:
Of course they always get stuck in my teeth but they are just delightful!
In 1958, Malaco, a Swedish confectionery manufacturer, decided to expand its business by exporting a few of their products to North America. Allsort Licorice, Ribbons and Laces candy were the first products to be exported to North America.
The Malaco exporting business grew and in late 1960's and early 1970's Swedish Fish and Swedish Berries were developed specifically for the North American market. As you have probably already guessed, it was named Swedish Fish because it was developed in Sweden.
Today this product is made in both Sweden and Canada.
And here's Wiki's version of the history