What kinds of fish fry do you have? How to choose high-quality fish fry?

Fish fry, also known as "fish flower", refers to the hatching of young fish, generally 6-9 mm in length. At present, there are artificially propagated fish fry and natural fry from rivers on the market. Fish is our common aquatic products in the market, the market demand is large, there are many farmers, and the benefit is considerable, and the most important thing for fish culture is to choose fish fry. So what kinds of fish fry do you have? How to choose high-quality fish fry? Next, let's have a look with the editor.

What kinds of fish fry do you have?

1. Mandarin fish fry

Mandarin fish, also known as osmanthus fish, Mandarin Fish. Ferocious sex, prey on other small fish, like to gang up. The meat is of good quality and is a valuable breed. The mandarin fish in March of the lunar calendar is the most delicious, with the poem "Peach Blossom and running Water mandarin Fish Fertilizer".

2. Grass carp fry

Grass carp is also known as mackerel, grass root, mixer. Herbivorous, fast-growing, is the first of the four major domestic fish (grass green silver carp and bighead carp). Known as a "pioneer" because it can effectively remove weeds in the water, there have been examples of grass carp weeding and opening up wasteland in China since ancient times.

3. Mackerel fry

The fish is also known as the Liaohe River. Fish, which are endemic to China, are mainly distributed in lakes on both sides of the Yangtze River. Russia and North Korea also have a small amount of distribution. Megalobrama amblycephala (Wuchang fish) is also a kind of bream. Besides for consumption, it has the medicinal value of tonifying deficiency, dispelling wind and invigorating the stomach.

4. Silver carp fry

Silver carp is also known as silver carp, jumping silver carp, silver carp, bamboo leaf silver carp. The body color is white, the shape is very similar to the bighead carp, impatient, like to jump mainly filter diatoms, green algae and other food. Bighead carp, on the other hand, are docile, slow-moving and do not like to jump.

5. Crucian carp fry

Crucian carp is also known as crucian carp melon seeds, moon crucian carp, soil crucian carp, carp. It originated in China and has been farmed all over the world. Compared with the four big fish, crucian carp is smaller. Goldfish is a kind of ornamental fish artificially selected by crucian carp.

6. Carp fry

Carp has always been a well-known freshwater fish, but it is not one of the four major fish. The reason is that in the Tang Dynasty, the royal family surnamed Li, the breeding, fishing and sale of carp were banned by the state. Fishermen can only raise other species, which excludes carp that we are very familiar with from the big four.

8. Moustache catfish seedlings

Moustache catfish, also known as pond fish, soil fish. Like to eat in groups, very gluttonous, mainly to insects, small fish for food. Because like to eat blood (slaughtered pig blood into the pond), feces, can live in a dirty environment, so it is considered relatively dirty, there are parasites and so on.

9. Short cover fat carp seedlings

Short cover fat carp, also known as freshwater white Pomfret, double-toothed giant fat carp, piranha. Originally from the Amazon River, it was introduced into Taiwan in 1982 and China in 1985. It is widely cultivated for its miscellaneous food, fast growth, large size, thick meat and delicious taste.

10. Tilapia fry

Tilapia is also known as African crucian carp, tilapia, southern crucian carp and tilapia. Originated in Africa and other places, it was introduced to China in 1978. Widely salty fish can survive in both sea water and fresh water, can endure hypoxia environment, have excellent adaptability and strong fecundity.

Second, how to select high quality fish fry?

1. Body color

High-quality fish fry, the group pigment is the same, there is no white dead fry, the body is clean, slightly yellowish; inferior fry, the group pigment is inconsistent, it is "flower-colored fry", there are white dead fry, the body is dragged with sludge, and the body color is black and gray.

2. Swimming situation

High-quality fry, in the container, stir the water to produce a whirlpool, and the fry swim against the water at the edge of the whirlpool; inferior fry, most of the fry are involved in the whirlpool.

3. Sampling inspection

High-quality fry in the white porcelain plate, the mouth blows on the water, and the fry swims against the current. After pouring out the water, the fry struggles violently at the bottom of the basin, and the head bends in a circle; the inferior fry, in the white porcelain plate, blows the water, and the fry swims along the water. After pouring the water, the fry struggles weakly at the bottom of the basin, and the head position can only twist.

The above is the introduction of fish fry, fish fry is relatively delicate, there are many farmers in the purchase of fish fry, but also need to transport fish fry. In the transport of fish fry on the way, it is also easy to cause the death of fish fry, fish fry transport arrived at the destination, should be timely into the pond, careful operation, to prevent too many, too serious injury to fish, and pay attention to the water temperature difference is not too large (less than 5 ℃).

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