Hi steemians
It's important not to eat gmo foods. They are modified primarily for corporate profits.
This article relies heavily on the integrity of your local market. Just because they have a dedicated fish market in store does not prove their integrity. You need to develop your own trust in the ability of any store or individual to provide you with what you think you are getting.
https://cban.ca/gmos/products/ge-animals/ge-fish/how-to-avoid-eating-gm-salmon/
You will arm yourself with some information to know how to protect yourself at any given market.