Because of its high nutritional value, it is called "ginseng in water". It is rumored that its cholesterol is too high and its gums are too greasy. Most people can't eat after a few bites, and it takes several laps to absorb. So many people catch and fish eels, but it is difficult to catch them. Because eels have a keen sense of smell, once they find danger, they will evacuate quickly and even bite people with sharp teeth.
Characteristics of river eel
1. Appearance: slender figure, cylindrical front, medium-sized head, small eyes, sharp and flat mouth, lower jaw slightly longer than upper jaw, two stools and plough bones, only fine teeth.
2, fish scales: fish scales are very small, buried under the skin, arranged in a pattern.
3. Fin: The dorsal fin begins at the back of the head, and it is connected with the dorsal fin, the anal fin and the caudal fin, and has a pectoral fin, which is small and round and has no ventral fin.
4, color: the back of the body is gray and black, and the abdomen is white.