Cooked Prime Fish Meat is a less common food source in Ark Survival Evolved. It spoils more slowly than Cooked Prime Meat and is also used in some of the Rockwell Recipes.
To produce Cooked Prime Fish Meat you need to cook Raw Prime Fish Meat in either the Campfire or the Industrial Grill. The Industrial Grill is the best way to produce Cooked Prime Fish Meat as it cooks up to 13 pieces at a time and cooks much faster than the Campfire.
Preserving Cooked Prime Fish Meat is as simple as putting it in a working Preserving Bin or Refrigerator. This meat is also used in some of the Rockwell Recipes and can be used in Custom Recipes.