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Keep the fish on ice—even in the refrigerator. It is no coincidence that fish is displayed on crushed ice in the markets. Fish rots quickly, even in the fridge, unless it is iced. Fish usually swim in water that is colder than air, sometimes a lot colder. They have evolved to survive in water that is just above freezing. Warm air increases the speed at which they spoil. more
Here's what to do when you bring your fish home: [links]
The best method for storing fresh fish in the refrigerator requires a cooling rack that fits inside a large shallow container such as a roasting pan. The cooling rack should be a grid or mesh design with many openings. If the rack doesn't have legs, find a way to elevate it inside the large container. If you don't have a cooling rack, you can use another container, but punch several holes in it so the fish can drain. [links]
Between the time you bring whole fish or filleted fish home from the market and eat it, store it properly in the refrigerator. Doing it right is not difficult, but it is best done with a little extra equipment. If you don't plan to eat the fish within a couple of days of purchase, freeze it. more
Once in the freezer fish can generally last up to 4 months – if you haven’t eaten it before! This is a guideline for best quality only; frozen fish should be safe to eat even after this limit, but the quality might not be the same. more
Freezing time limits can vary depending on the type of fish, how it’s packed and the original condition and freshness. Here is an extract of a helpful infographic created by Freezing Labels. You can also view the full infographic for guidelines on time limits for different types of food. [links]
Cooked fish has the same storage guidelines as raw fish. In general, if in the freezer, the quality should be preserved up to 4 months after the freezing date. This means you can prepare meals such as fish pies, fish stews or risottos and freeze your leftovers. You can then defrost them easily and enjoy the dish with the same freshness! [links]
In general, raw fish should be kept in the fridge 1 or 2 days maximum. If you are not going to eat the fish immediately, you can freeze it. It is best to freeze fish immediately to preserve freshness. more
Place the fresh mussels in the fridge. It is highly advisable to store fresh mussels at the bottom of the fridge, usually at the back area. This is where the temperatures of the fridge are really constant.
In order to keep fresh mussels in the fridge for 2 to 3 days you have to start by placing the fresh mussels in a bowl. You can pile them in the bowl nothing bad will happen to them. If you have a colander then you can place the fresh mussels in a colander but make sure you place a dish at the bottom of the colander. The dish will help to catch any liquid produced by the fresh mussels.
Once you have placed the fresh mussels in the bowl or colander you have to take a wet paper towel or cloth. Place it on top of the fresh mussels, this will help to ensure that the mussels remain fresh.
The best method of thawing fresh mussels is to transfer them from the freezer into the fridge. The process can take a number of hours therefore, you need to be someone who plans ahead when using this method. The other method that you can use to thaw fresh mussels is to thaw the fresh mussels in a bowl of cold water. The process can take you about an hour. Once you have thawed your mussels you have to cook them. This helps to reduce the risk of food poisoning. here