[header] How to store fresh fish [title] Fill an insulated cooler with water and ice. [step] If you are a fisherman, you need to start thinking about flavor preservation and storage temperature as soon as you get the fish into your boat. You have two options for maximum freshness. 
First, you can keep the fish alive in a live tank well onboard your boat and deal with the rest when you get back to shore. [substeps] The second option is to immediately kill the fish and put it into an insulated bin filled with a little water and a lot of ice.