Is the river eel delicious or the sea eel delicious? Each has its own advantages. River eel and sea eel belong to the same kind of eel. Although they grow in different environments, they also have high nutritional value. Judging from the nutritional composition of food, the fat and cholesterol content of sea eel is much less than that of river eel, so sea eel is healthier than river eel. Edible taste, sea eel contains small thorns, and the meat quality is not as tender as river eel. But eels have less meat. From this point of view, it is obvious that the river eel is slightly better. Other differences: 1, different morphology: river eel: relatively slender, with a medium-sized head, small eyes, a pointed and flat mouth with scales, but smaller, buried under the skin and arranged in patterns. The pectoral fin is smaller and rounder than the moray eel, with a gray-black appearance and a white abdomen. Eel: The head is sharper and longer than the river eel, the mouth and eyes are bigger, the appearance is scaleless, and there are lateral lines. The pectoral fin is wide, the appearance is mostly yellow with black spots, and the abdomen is gray. 2. Eels with different prices: Generally, eels on the market are around 20-30 yuan per catty. In addition, a catty of wild eels 100 yuan. Eel: The price also fluctuates according to different varieties. A kilo of fresh eel 15- 16 yuan, a kilo of dried eel (24-25 yuan) and a kilo of small deep sea eel 14 yuan. 3. Different distribution areas: River eel: Usually, river eel grows at the junction of salt and fresh water. Mainly distributed in the Yangtze River, Pearl River Basin, Minjiang River, Hainan Island and rivers and lakes in China, belonging to freshwater fish. Sea eel: mainly distributed in the coastal waters of the Yangtze River estuary. It belongs to warm-water near-bottom fish. Wide-temperature sea eel and wide-salt sea eel.