What kind of fish is river fish? Does river fish eat garbage?

River grouper mainly feeds on aquatic insects and their larvae, crustaceans, small mollusks and small fish. River grouper mostly hides at the bottom of the water or in the cracks of rocks during the day and goes out to look for food at night. And when looking for food, it also moves in the middle and lower layers of the water body. Some friends are concerned about whether river grouper eats garbage? Let's take a look at the following article in detail!

Contents of this article

1. What kind of fish is Jiangtuanyu?

2. Does river fish eat garbage?

3. How to cook river fish

What kind of fish is Jiangtuan fish

Belongs to the order Siluriformes, family Catfish, genus Catfish, also known as catfish. Catfish has different names in different places, such as "catfish mouse" in Shanghai, "jiangtuan" in Sichuan, and "xiyu" in Guizhou. The long snout catfish has a long body, a conical snout, and protrudes forward significantly. The mouth is inferior, crescent-shaped, with thick lips and small eyes. There are 4 pairs of small whiskers. It is scaleless, with serrations on the back edge of the hard spines of the dorsal and pectoral fins, a thick adipose fin, and a deeply forked caudal fin. The body color is pink, with a slightly gray back, a white abdomen, and gray-black fins.

Does river fish eat garbage?

River grouper is not a garbage eater.

The river grouper mainly feeds on aquatic insects and their larvae, crustaceans, small mollusks and small fish. The river grouper usually hides at the bottom of the water or in the cracks of rocks during the day and goes out to look for food at night. When looking for food, it also moves in the middle and lower layers of the water.

River catfish is a bottom fish. It often lives in river bends with slow currents, deep water and many rocks. River catfish is a warm-water fish. Its survival temperature is 0-38℃, its growth temperature is 15-30℃, its pH range is 6.5-9.0, and its optimum pH is 7.0-8.4. It is not tolerant to low oxygen. When the dissolved oxygen in the pond water is as low as 2.5 mg/L, it will float. Long-snout catfish lives on the bottom, likes to gather in groups, and is afraid of light.

How to cook river fish

1. After cleaning the river fish, cut it into slices. Add salt, white pepper, cornstarch, sugar, beer, and ground ginger to the fish slices and knead them evenly.

2. Pour oil into the pot and add star anise, cinnamon, bay leaves and chili peppers to stir-fry.

3. After the aroma comes out, remove and discard the fish head, fish tail and fish bones into the pan and fry them.

4. Then put the onion, ginger, garlic and scallion into the pot and stir-fry until fragrant, then add the sauerkraut and stir-fry.

5. Finally, pour in boiling water and hot pot base, bring to a boil over high heat and cook for five minutes, then turn to low heat and cook for five minutes.

6. Put the marinated fish fillets into the pot and boil for two minutes.

7. The nutritious and delicious river fish can be served and eaten.