1. Fresh sea eels should be stored in the refrigerator. Pay attention to wrap it with plastic wrap before storage to avoid the smell of sea eels in the refrigerator. Although it is fresh sea eel, don't keep it for too long. It should be eaten as soon as possible.

2. It's no problem to put fresh eel in the refrigerator for 48 hours, but it can't be stored for too long, otherwise the eel will go bad. Generally speaking, both fresh and cooked sea eels should be wrapped and sealed with plastic wrap, and then stored in the refrigerator.

3. Long-term preservation requires cleaning the fish, wrapping them in plastic bags and putting them in the freezer. Frozen sea eels must be thawed before eating next time. There are many thawing methods, generally natural thawing at room temperature, or thawing frozen sea eels with flowing water. This method is relatively fast, about 15 minutes.

4. Frozen sea eels can be thawed in the freezer, but they need to be put in the freezer the day before cooking. Before eating the eel that has been preserved for a period of time, it is necessary to observe whether the eel has deteriorated. If there is an unpleasant smell, it means that the eel may be rotten and it is not recommended to continue eating.