CATDOLL : CATDOLL: Related species of Yangtze River whitebait

1. Related species of Yangtze River whitebait

Neosalanx taihuensis belongs to the order Salmoniformes, family Gnaphalidae, genus Neosalanx. Common name: small icefish. English name: Taihu lake icefish. The body is slender, slightly cylindrical, with a relatively flattened posterior section; the head is flat and triangular. The snout is short. The mouth is small, with a row of fine teeth on each of the upper and lower jaws, no teeth on the mouth cover, and no canine teeth at the front of the lower jaw. The pectoral fins are small and have a muscle base. There is a small and transparent adipose fin behind the dorsal fin. The body is scaleless, and the male fish has a row of larger scales on each side of the base of the anal fin. When alive, the whole body is transparent, and the shape of the brain can be clearly seen from the back of the head. After death, the whole body is milky white. Each fin is relatively transparent and colorless, and there is a row of small black spots on the ventral side of each side of the body. Taihu lake icefish is a pure freshwater species, living in lakes for life, floating in the middle and lower layers of the water, feeding mainly on zooplankton, and also eating a small amount of shrimp and fish fry. It reaches sexual maturity in half a year, and the broodstock can reproduce after one winter. The spawning period is April-May, and the broodstock dies soon after reproduction. It is distributed in the affiliated lakes of the middle and lower reaches of the Yangtze River. The individual is small, and the largest individual is only 80 mm long, but there are a lot of them, especially those produced in Taihu Lake are the most famous. The production area is mostly made into dried fish, and the commercial name is "Fen Tiao", which tastes very delicious and sells well both at home and abroad. The texture of small silverfish is better than that of larger silverfish, so Li Shizhen said: "They especially value the small ones, dry them in the sun and sell them everywhere, and they have eggs before Qingming Festival, which are very delicious to eat." In addition, the small silverfish produced in Wuhu Lake, Xinzhou County, Hubei Province is also known as one of the three famous and precious aquatic products in Hubei Province.

The nutritional content and medicinal value of Taihu whitebait are similar to those of Yangtze River whitebait. Every 100 grams of fresh whitebait contains 8.2 grams of protein, 0.3 grams of fat, 1.4 grams of carbohydrates, 258 milligrams of calcium, 102 milligrams of scales, 0.5 milligrams of iron, 0.01 milligrams of thiamine, 0.05 milligrams of riboflavin, and 0.2 milligrams of niacin; dried whitebait contains 72.1 grams of protein, 13 grams of fat, 0.5 grams of carbohydrates, 761 milligrams of calcium, 1154 milligrams of phosphorus, and 7.5 milligrams of iron. The whole fish can be used as medicine. Its meat is sweet and flat in nature. It has the effects of nourishing the kidney, strengthening the stomach, replenishing deficiency, benefiting the lungs, and promoting diuresis. It can be used to treat spleen deficiency diarrhea, nutritional deficiencies, indigestion, and malnutrition in children. "Sui Xi Ju Diet" believes that it "nourishes stomach yin, harmonizes the meridians, and the small ones are better and can be dried."

2. Is whitebait an eel fry?

No. Whitebait and eel fry are two different products, so they are not. Whitebait, also known as silver bar fish and noodle fish, is distributed along the coast from Shandong to Zhejiang in my country. It is a fish that is rich in calcium, high in protein and low in fat.

3. Where can I buy fish fry wholesale in Chengdu?

① Qingshi Bridge ② There is a flower, bird, insect and fish market on the west line of Sha that sells fish fry wholesale

They are basically useless, just ornamental fish

4. High-end freshwater fish breeding varieties, which freshwater fish are easy to raise

High-end freshwater fish farming varieties mainly include Taihu whitebait, Yellow River carp, Dinggui fish, pliers, Wuchang fish, green bamboo fish and other species. 1. Taihu whitebait: Because of its delicate meat and rich nutrition, it is also called fish ginseng. 2. Yellow River carp: It is one of the four famous fishes in my country. It has bright color, plump body, thick meat and rich nutrition. 3. Dinggui fish: Its meat is tender and delicious, and its nutritional value is also high. It is called the royal pet fish. 4. Pliers: It is not only a large warm-water freshwater fish, but also a world-famous farming variety. It has thick meat and no bones. It is a bottom-dwelling fish.

1. High-end freshwater fish farming varieties

1. Taihu whitebait

(1) Taihu whitebait is called whitebait because it is round in shape, transparent in color, somewhat similar to silver, and has no bones.

(2) There are four main species of Taihu whitebait, namely, Taihu shortnose whitebait, oligodont shortnose whitebait, big whitebait and Lei's whitebait. Because of its delicate, white and tender meat and rich nutrition, Taihu whitebait is also called fish ginseng.

2. Yellow River Carp

(1) The Yellow River carp is one of the four famous fishes in my country, along with the Songjiang perch, the Xingkai Lake fish, and the Songhua River salmon. It has bright color, tender and delicious meat, a fragrant smell, and is rich in nutrients. It is a precious fish resource in my country.

(2) The scales on the sides of the Yellow River carp are golden yellow, the back is darker, the abdomen is lighter, and the color is also whiter. However, its body is usually plump and the meat is thicker.

3. Dinggui Fish

(1) In Europe, the tench is known as the royal pet fish. Its body color is green, yellow, blue and white. Its meat is tender and delicious, and has extremely high nutritional value. Therefore, it is also one of the main freshwater economic fish aquacultured in European countries.

(2) Dinggui fish is a freshwater bottom-dwelling fish that often lives in still water with lots of aquatic plants. It also lives in slow-flowing water with muddy bottoms. In winter, Dinggui fish lives in deep water areas. It has strong cold resistance and is a wide-temperature fish.

4. Clamp fish

(1) The body of the pliers fish is relatively long, and the front part is usually wider than the back part. Its body surface is smooth and scaleless, with rich mucus, thick meat and no bones. In addition, it has extremely high nutritional value, so it is deeply loved by consumers.

(2) The snapper is a bottom-dwelling fish that usually lives in the gravel and stone bottom of lakes and rivers. It has the habit of hiding during the day and coming out at night to feed. It has strong adaptability, grows fast, and is easy to raise and catch. It is a large warm-water freshwater fish and a world-famous farmed variety.

5. Wuchang Fish

(1) Wuchang fish is a freshwater fish that mainly lives in the middle and lower layers of the water body and in the still water areas of lakes and reservoirs. It mainly feeds on aquatic vascular plants and periphyton, but also eats ceratosaurus, copepods, and midge larvae.

(2) Wuchang fish is an important herbivorous economic fish in my country. It can usually spawn and reproduce in ponds. It has a high survival rate, grows relatively fast, has a high meat content, and is easy to raise and catch. Therefore, it is popular among most consumers.

6. Green Bamboo Fish

(1) The green bamboo fish is one of the most valuable economic fish. It has a clear green body color and likes to move in deep water bodies with fresh and flowing water. It does not like to swim on the water surface or in shallow water. It often lives in fast-flowing rivers or mountain streams.

(2) The diet of green bamboo fish is quite varied. It likes to eat duckweed, vegetables, young leaves and artificial compound feed. It has strong disease resistance, high breeding efficiency and plump meat, which is tender and smooth. It is an excellent raw material for making sashimi and braised fish.

2. Which freshwater fish is easy to raise?

1. Easy-to-raise fish

Among freshwater fish, grass carp is generally easier to raise. It is not only one of my country's four major carps, but also an important freshwater farmed fish in my country. Its output value and output are among the highest in the world's freshwater farmed fish.

2. Key points of breeding technology

(1) When breeding grass carp, it is necessary to build a pond of appropriate size with a flat bottom and no low-lying areas. At the same time, ensure that there is sufficient water in the pond and the water quality is good. The pond should be cleaned and disinfected before stocking the fry to ensure a suitable growth environment.

(2) You need to select fish fry that are healthy, lively and strong, and release them when the weather is clear and windless. Pay attention to controlling the release density to ensure that the grass carp have enough growth space. It should be noted that before releasing the fish fry, the fish bodies need to be disinfected before release.

(3) The feed is generally pelleted feed, with a protein content of about 28-32%, and supplemented with green feed. It is usually fed twice a day, and the amount of feed should be such that the grass carp can finish eating it within 2 hours and eat 80% full. It should be noted that after feeding pellets for a period of time, it is necessary to stop feeding pellets for 1 week, and feed raw grain feed during the interval. At the same time, food residues should be removed in time to ensure the cleanliness of the water.

(4) Inspect the fish pond regularly and observe the condition of grass carp. If hypoxia is found, turn on the aerator in time to increase oxygen to ensure that there is enough oxygen in the water. Especially on rainy days, you should pay more attention to replenishing oxygen. You should also change the water and disinfect it regularly to ensure the water quality is clean and pay attention to preventing and treating fish diseases to ensure that grass carp has a suitable growth environment.

(5) The pH value of the pool water should be between 7.5 and 8.5, the transparency of the pool water should be around 30 cm, and the dissolved oxygen content can be maintained at around 20 mg/L.