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As the saying goes, "Scale-free fish hook is an old disease". What is scale-free fish?
There are many kinds of fish. Scaleless fish is a kind of natural scaleless fish. Monopterus albus, octopus, dolphins, sharks and whales are common in the daytime. Scaly fish, people eat grass carp and snakehead most. Eels also often appear on people's dining tables.

1. What is a scaleless fish? Scaleless fish refers to fish without scales and small scales, not fish without scales. Most of the scaleless fish in the sea live in the deep sea above 500 meters, mainly eels. Freshwater scaleless fish include loach, yellow croaker, mackerel and whitebait. Scaleless fish contains high cholesterol, so the elderly and obese people should eat as little as possible.

Second, the difference between scaleless fish and scaleless fish The cholesterol contained in scaleless fish is high, such as eel and squid, but the cholesterol content of scaleless fish such as mackerel that we often eat is not high, even lower than that of scaleless fish. In other words, scaleless fish have high cholesterol fish and low cholesterol fish, and scaly fish also have high cholesterol fish. In order to reduce cholesterol intake, it is not correct to choose only scaly fish. Seafood food in traditional Chinese medicine belongs to hair. People who are sick will aggravate their illness or induce the occurrence of existing diseases. Scaleless fish are warmer than scaly fish. People with hot constitution are very prone to get angry, dry mouth and constipation, and warn others to eat less scaly fish. Otherwise, good. Most scaleless fish will produce a substance called histidine when they come into contact with air after death. This substance is allergic. When fish is not fresh, combined with the action of bacteria, it will gather a lot of toxins and cause poisoning symptoms after meals. Seafood food in traditional Chinese medicine belongs to hair. People who are sick will aggravate their illness or induce the occurrence of existing diseases. Scaleless fish are warmer than scaly fish.

To sum up, there is a great difference between scaleless fish and scaly fish. The cholesterol in scaleless fish is high, and the nutritional value of scaleless fish is high. Most scaleless fish come into contact with air after death, which will produce some harmful substances. They should not be eaten after the scaly fish has gone bad.