Minced fish is not ground at all, and is not permitted.
Includes- fish cakes, patties, cakes.
Minced fish+ removed by mechanical means and is not ground at all. The anisakis are whole insects.
NOTE: There may be other mistakes as well.
For some reason the CRC Hisachdus- Brooklyn, Volover, Tartikuv MC, Kcl, Star-k, etc among many others are not concerned about the Anisakis worm.
See תשובות והנהגות חלק ו re: the Anisakis in the USA.
NOTE: No one has any issue with the anisakis in herring