This video is from Europe, but the same thing goes on in the US.
In fact, things here are much, much worse because standards are even lower and corruption higher.
Garbage fish waste - valued at 15 cents per kilo - is converted to processed food "fish" dishes like cheap fish sticks, fish balls, and mixed dishes that have "some" fish in them.
Bottom line advice:
If you can't see the actual fish fillet on your plate, you might well be eating fish pulp that used to be garbage.
One out of three pre-prepared processed fish dishes are mislabeled.
Believe it or not - credit where credit is due - McDonald's Fish Fillet is made of 100% certified ocean-caught Alaskan Pollock.