The nutritional value of eel and loach is not the same.

1, edible efficacy

The loach has a tonic in the qi, dehumidification of yellow, beneficial to the kidneys to help yang, to remove the wet diarrhea, warming the spleen and stomach, treatment of hemorrhoids, stopping the effect of sweating. Loach contains a variety of nutrients, protein, sugar, minerals (calcium, phosphorus, iron) vitamins (VB, VA, VC) are higher than the average fish and shrimp, lower fat content, cholesterol is less, and contains 艹carbopentenoic acid unsaturated fats, the nature of the cool.

Eel is not only a delicacy for the table, its meat, blood, head and skin have certain medicinal value. According to the Compendium of Materia Medica, eel has the effect of tonifying blood, replenishing qi, reducing inflammation, disinfecting and removing rheumatism.

2, the appearance of different

The eel body slender cylindrical snake-shaped, body length of about 20-70 cm, the longest up to 1 meter. The body is rounded in the front and flattened in the back, and the tail is pointed and thin. Body naked lubrication without scales, rich in mucus; no pectoral and ventral fins, dorsal and anal fins degraded only skin folds, no soft spines, are united with the caudal fin.

The body surface of loach is rich in mucus. The back of the body and more than 2/3 of the side of the body is gray-black, covered with black spots, and the lower half of the body is gray-white or light yellow. The body color of loaches inhabiting different environments is slightly different.　

3. Different living environments

Living in the bottom layer of water bodies, it mainly inhabits rice fields, lakes, ponds, rivers and ditches and other muddy waters, and even swamps, flooded fields or wetlands can be seen, and it likes to live in holes and caves.

In China, except for the Tibetan Plateau, except for the Tibetan Linzhi area, all over the country, rivers, ditches, paddy fields, ponds, lakes and reservoirs and other natural freshwater waters are distributed, especially in the Yangtze River and Pearl River Basin in the middle and lower reaches of the distribution of the very wide.

Baidu Encyclopedia - Eel

Baidu Encyclopedia - Mud Loach