Too much info to answer. Hit the library for 2 books. One for freezing, and one for canning
You are best off freezing it.
Chilling or freezing any fish prevents it from going bad.
You put it in the freezer and wait.
you cook them
Freezing in a freezer or refrigerating.
Salting, Freezing, And Covering etc...
Most fruits or vegetables can be processed by canning, freezing, or drying.
Freezing and thawing can destroy the cells, and this is not a processed used to preserve them. They can be preserved by cryopreservation by lowering the temperature to -196F.
Try it and see. It should work. At least it should be better than NOT freezing it.
Freezing can affect the texture and flavor of certain foods. Water expands when frozen, which can lead to changes in texture for some foods, especially fruits and vegetables. However, freezing is a great way to preserve the nutrients in food and prevent spoilage. It is important to properly package and store food in the freezer to maintain quality.
Ice and snow were used to preserve food when they were available