Can slaughtered river eel be kept and eaten the next day?

Generally speaking, whether slaughtered freshwater eel can be saved for consumption the next day depends on the storage method. If promptly placed in a sealed container and refrigerated or frozen, it is usually safe to eat; however, if left at room temperature, especially in a warm environment, it is not recommended for consumption the next day.

Slaughtered freshwater eel is rich in protein. At room temperature, bacteria multiply rapidly, and after more than two hours of storage, bacterial counts increase significantly, which may lead to spoilage. Consuming spoiled eel can easily cause discomfort such as abdominal pain and diarrhea, making it unsafe. Therefore, eel stored at room temperature should not be kept for the next day.

If immediately placed in a clean, sealed container and refrigerated after slaughter, bacterial growth can be slowed, allowing safe consumption the next day after thorough reheating. For long-term storage, freezing is preferable. Simply thaw naturally before use and reheat thoroughly. This low-temperature storage method helps preserve the eel's quality and reduces the risk of spoilage.

To ensure both safety and optimal taste, it is best to consume slaughtered eel on the same day. If storage is necessary, prompt refrigeration or freezing in a sealed container is essential. Before eating the next day, always reheat thoroughly and check for signs of spoilage such as an off odor or slimy texture—discard if any abnormalities are present.