Eels are divided into freshwater and seawater. There are about 19 species of freshwater eels in the world. They are similar in appearance. They grow up in rivers or freshwater and migrate to the sea only when they lay eggs. Academically speaking, eels refer to creatures within the Muraenesocidae family, but because the public often interprets them as "eels in the sea", the eels in our population have expanded from eels to fish that swim in the sea as long as they look long. But in fact, the eel family is not a narrowly recognized eel in academia.
Eel is rich in vitamin A and E, which are 60 and 9 times higher than that of common fish, respectively. Vitamin A is 100 times as much as beef and 300 times as much as pork. Rich vitamin A, vitamin E, for the prevention of visual deterioration, protection of the liver, restore energy has great benefits. Other vitamins such as vitamin B1 and vitamin B2 are also abundant. Eel meat is rich in high-quality protein and various essential amino acids for human body.
鳗鱼分为淡水和海水。世界上大约有19种淡水鳗鱼。它们的外观相似。它们生长在河流或淡水中，只有产卵后才移居大海。从学术上讲，鳗鱼是指Muraneocidae家族中的生物，但由于公众经常把它们解释为“海洋中的鳗鱼”，所以我们人类中的鳗鱼从鳗鱼扩展到了在海洋中游泳的鱼，只要它们看起来很长。但事实上，在学术界，鳗鱼家族并不是一个狭隘的认可鳗鱼。
刘泽群
谭金凤
首都医科大学附属北京儿童医院
北京协和医院
贵州省第二人民医院
