_ What kind of fish is fish? _ Fish is a long kiss _, Shanghai is called _ mouse, Sichuan is called Jiangtuan, and Guizhou is called the Western Regions. It is a unique and precious freshwater fish for developing water conservancy economy in China. _ Fish, puffer fish, swordfish and shad are also called "Four Seasons of the Yangtze River", which means that their fat used to be used for sacrifice. After drying, it becomes a precious fish belly, which looks like the Bijia Mountain in Shishou City, so it is famous for its Bijia fish belly. So _ How much is a catty of fish?

Poor 1, different families and genera: all belong to Siluriformes, but _ fish belongs to families and genera, and catfish belongs to Siluridae and genera.

Difference two, the body surface is different: they have no scales on their body surface, but the head of fish is relatively small, with two dorsal fins and a forked tail; Catfish has a big head, only one dorsal fin, a fan-shaped tail and a lot of mucus on its body surface.

Difference 3. Different body colors: _ The body color of fish is pink, the back is slightly gray, the abdomen is white, and the fins are gray-black; Catfish are usually dark brown or gray-black, with dark cloud patches.

Difference 4, different habits: all belong to fierce carnivorous bottom fish, all of which are Nocturnal Animals, but _ fish reach sexual maturity at the young age of 3 years, and have a long life span, at the age of 22 years; Catfish generally mature sexually at the age of one and live for more than 70 years.

Difference 5, different ways to eat: _ Fish can be steamed with chopped pepper, steamed with soy sauce, braised with soy sauce, braised with soy sauce, baked with soy sauce, etc. Its meat is tender and delicious, without fine spines, and the swim bladder is very fat; Catfish can be steamed, stewed, boiled in soup, braised in brown sauce, and made into meatballs. And the meat is tender and has few thorns.

Difference 6, different effects: _ Fish is a high-protein and low-fat food, which has the effects of nourishing liver and enriching blood, lowering cholesterol, protecting cardiovascular system and enhancing immunity; Catfish contains a large amount of protein and fat, and has the effects of nourishing yin and enriching blood, invigorating middle qi, stimulating appetite, promoting diuresis and promoting lactation.