What does high-protein fish black fish eat to grow up? Five differences between catfish and catfish!

Black fish, also known as mullet and snake fish, is a common edible fish in lakes and ponds. It is used as a nourishing product because of its high meat quality and higher protein content than chicken and beef. After surgery, many people like to make soup to drink, in order to achieve the effect of tonifying blood and promoting wound healing. How did the black fish grow up? What's the difference between catfish and catfish?

First, the introduction of Blackfish:

1. Where are the black fish distributed?

Black fish are distributed in freshwater areas such as Africa and Asia, and mainly in Japan and Korean Peninsula abroad. In China, blackfish are mainly distributed in western Shaanxi and western regions, among which Xi'an River Basin is the most common.

2. Is blackfish a hair product?

Black fish is a hair product. Because black fish has a certain irritation, people will have a red rash, skin itching and other allergic phenomena, but most people eat harmless to the body, so you can rest assured to eat.

Second, what do black fish eat to grow up?

Black fish is a carnivorous fish, which mainly feeds on all kinds of small fish, shrimp and earthworms, but the food eaten during each growth period is different, so we must pay attention to it when feeding.

1. Black fish fry that are not long enough to 3cm: mainly feed on all kinds of aquatic insects.

2. Black fish with body length 3~8cm: mainly feed on tadpoles, fish, shrimp and all kinds of aquatic insects.

3. Black fish with body length above 20cm: mainly feed on all kinds of small fish such as Loach, frog, crucian carp, wheat ear fish, small belt fish, tube fish, stick flower fish, red-eye trout and so on. Of course, some farmers raise earthworms, yellow powder insects, fly maggots and so on as bait in order to reduce feed costs.

4. In addition to the food above, black fish can also eat artificial feed, such as animal feed made from earthworms, fly maggots and scraps; or 70% minced fish, 20% soybean powder, 5% yeast powder and other mineral salt and antibiotics can make it grow healthily.

Generally speaking, black fish eat a lot of food, most fish can eat, black fish can eat, so it is easy to feed, but it is best to mix and feed, so that not only save feed, but also grow fast.

What's the difference between black fish and catfish?

Black fish and catfish are both called the dirtiest fish in the world, so many people think that these two kinds of fish are the same, but they are not. let's take a look at the difference between the two:

The first difference is that the families and genera are different: the black fish belongs to the snakehead of the suborder Perciformes, and the catfish belongs to the catfish of the catfish family.

Second, the appearance is different: the black fish does not need, has a small amount of mucus, looks like grass carp, the front cylinder is flattened on the back, the body color is dark gray, and there are irregular black spots on the side; the catfish juvenile has 3 pairs of whiskers, the adult fish has two pairs of four whiskers, and there is a lot of mucus on the body, which looks like a fat head, no scales on the body, no hard thorns, 4 or 6 fins, the body color is grayish brown or grayish black, and occasionally there are a few cloud-like patches on the body.

Third, the distribution range is different: blackfish are found in all major river systems in China, and abroad are mainly distributed in Japan and the Korean Peninsula; catfish are distributed all over the world.

Fourth, the efficacy is different: black fish has the effect of clearing heat, tonifying spleen and removing blood stasis, and can treat beriberi, hemorrhoids, edema, dampness arthralgia and other diseases; catfish has the effect of facilitating, invigorating qi and benefiting yang, and can treat edema and other diseases.

Fifth, the nutritional value is different: black fish is rich in protein, fat, amino acids and calcium, phosphorus, iron and other trace elements needed by the human body, including 19.8g protein, 1.4g fat, calorie 384.6kJ, calcium 57mg, phosphorus 163mg, iron 0.5mg, thiamine 0.03 mg, riboflavin 0.25mg, nicotinic acid 2.8mg, etc., especially suitable for people with weakness, anemia and spleen and stomach qi deficiency. Catfish is rich in protein and fat, in which every 100 grams of fish contains 14.4g protein, and contains a variety of minerals and trace elements, especially suitable for weak and malnourished people to eat.

Generally speaking, black fish can eat a lot of food, as long as most fish can eat, black fish can also eat, so it is good for breeding. In addition, although black fish and catfish are the dirtiest fish in the world, they have certain differences in family and genus, appearance and efficacy, so we should not confuse the two. If they do not know the difference, you can distinguish them according to the above methods.