CATDOLL : CATDOLL: What is the difference between conger eel and river eel?

What is the difference between conger eel and river eel?

Eel is a general term for river eels, sea eels, and eels. It is a fish, similar to snakes, but without scales. It is generally found in the sea area where salt water and fresh water meet. Eel has the effects of nourishing blood, removing dampness, and resisting tuberculosis. It is a good nutritional product for patients with long-term illness, weakness, anemia, tuberculosis, etc. However, the nutritional value and taste of river eels and sea eels are different. How to distinguish river eels from sea eels?

Different appearances of river eels: The appearance is basically black, except for the white part of the abdomen. The appearance is relatively medium to large, with a slender body, a cylindrical front, small eyes, a pointed and flat mouth, and the lower jaw is slightly longer than the upper jaw. There are only fine teeth on the stools and vomer. And its scales are small and buried under the skin, belonging to a texture arrangement shape. At the same time, its dorsal fin starts behind the head, and the dorsal fin, anal fin and tail fin are connected. There are pectoral fins, and the pectoral fins are small and round, and there are no pelvic fins.

Conger eel: The back of the conger eel is dark gray, and the belly is grayish white. Most of them are yellow with a little black and white. The body is long and nearly cylindrical, with a flat back end and a pointed and long head. The head, mouth and eyes are relatively large. There are sharp and large canine teeth at the front of the upper and lower jaws, and the upper jaw is slightly longer than the lower jaw. Compared with river eels, conger eels do not have fish scales. At the same time, its dorsal fin starts above the gills, the anal fin and the tail fin are connected, the pectoral fins are wide, and there are no pelvic fins.

Different prices for river eels: Generally, the price of eels on the market is about 20-30 yuan per catty, but if it is wild river eels, the price may be relatively more expensive, usually around 100 yuan.

Conger eel: The price of conger eel is related to the processing method. Fresh conger eel is 15-16 yuan per catty, dried conger eel is 24-25 yuan per catty, and small deep-sea conger eel is about 14 yuan.

Different living environments River eels: Most of them grow in places where freshwater and saltwater meet. River eels are mainly distributed in the Yangtze River, Pearl River Basin, Minjiang River, Hainan Island and rivers and lakes in China. They are a kind of freshwater fish.

Conger eel: Conger eel is mainly distributed in the coastal waters of the Yangtze River Estuary. Conger eel is a warm-water bottom-dwelling fish, and there are eurythermal conger eels and euryhaline conger eels.

Conger eels live in the sea, while river eels usually live in rivers and can also be artificially bred. Since conger eels have a poorer taste, river eels are the first choice for making eel rice. Wild eels have smaller bones and the meat is very firm and chewy.

They are both eels, but their growth environments are different. The cholesterol and fat content in conger eels is lower than that in river eels, so it is generally believed that conger eels are better than river eels. However, the meat of river eels is more tender than that of conger eels. Conger eels have small thorns, while river eels have less meat.

River eel: Relatively slender body, medium-sized head, small eyes, pointed and flat mouth with scales. Pectoral fins are small and round, the appearance is basically gray-black, and the abdomen is white.

Conger eel: The head is longer and more pointed than that of river eel, the mouth and eyes are larger, there are no scales, and there is a lateral line. The pectoral fins are relatively wide, the appearance is mostly yellow with black spots, and the abdomen is grayish white.

Compared with river eels, sea eels have much lower fat and cholesterol. River eels are rich in fat and carbohydrates, which is the highest among all fish. River eels are also called whitehead fish. They are characterized by high fat content and high cholesterol.

How long is an eel? How many eggs does it lay at a time? In which month does it lay the most eggs? How much does an eel eat in a day?

Wild eels are about 60-90 cm long and weigh about one kilogram. They can grow up to 130 cm and weigh about five kilograms. However, the Japanese white eels we usually eat are mostly farmed adult eels, usually about 40-50 cm long.

Eels mate only once in their lifetime, and the weight of the eggs they lay each time varies depending on their body shape and size, and is about 1/3 of their body weight.

Eggs are usually laid from June to August.

How much eels eat varies depending on their developmental state. You can refer to Baidu Encyclopedia's article on eel farming for detailed instructions.

Eel photo