How to raise map fish, which is a large tropical fish with both ornamental and ornamental functions?

Map fish, also known as tail fish, pig larvae, etc., belong to the order Perciformes, Cichthylidae, star fish genus. Native to the Amazon River and Guyana in South America. Introduced into China in the 1970s, it not only has a lovely appearance, but also has a delicious meat taste, which is comparable to that of grouper. Map fish is a kind of large tropical fish which is both edible and ornamental, especially as a high-grade tropical ornamental fish, it is loved and favored by people, so it has a broad development prospect in our country. So how to raise map fish? Next, the editor of Tuliu.com will take you to see it.

I. Water quality management

1. When most fish fry can swim horizontally, the nest can be taken out, and the inflatable capacity should be small when the water level is controlled at the left side of the 25cm. Absorb sewage once at 7:00 every morning, and change the water 5cm each time. The water for replacement should be treated, and when changing water, let the water flow slowly along the cylinder wall.

2. The amount of inflation should be adjusted to the maximum and keep running water as far as possible. Pollutant discharge depends on the situation, you can wash the pool about twice a week, do not scrub hard when washing the pool, just wash away the dirt at the bottom of the pool, and you can not wash all the moss. The water level is controlled around 50cm. Moisturizing measures should be taken when the water temperature is lower than 22C, and the fish can also be transferred to the heat preservation pond or fish house.

3. The quality of water for reproduction should be softer, which is more conducive to spawning, fertilization and hatching.

2. Raising seedlings and nurturance

The main results are as follows: 1. The newly hatched larvae can be fed with paramecium, gradually changed to harvest worms after 7 days, soft pellet feed and red worms gradually after 15 days, and can be reared in cement ponds at the right time after 25 days. 2.5.2 raising in cement ponds

2. The cement pool should be washed with a bleached water brush, and the influent should be strictly filtered, and the water level is about 50cm. Sprinkle the 5mg/L bleach after entering the water. After 4 or 5 days, the fish fry can be released after the toxicity disappears. There should be a sunshade net above the cement pool, and if thousands of stones should be put in the cement pool, the amount of air can be adjusted to the maximum. Set up a feed table every 2m along the pool wall.

3. Feed twice a day, once at 9:00 and 16:00 respectively, and the appropriate amount of feed should be eaten by 15min after feeding.

III. Selection and cultivation of backup parent fish

The main results are as follows: 1. After 1 month of feeding, the backup parent fish can be selected, and the standard is better growth, larger body size, better body color and so on.

2. Selection and cultivation of commercial fish after selecting the backup parent fish, add coloring substances to the feed to make the fish body color bright, which can be sold as commercial fish at this time.

IV. Disease prevention and control

1. In the cement pool of bacterial Gill rot disease, Erao hydantoin with concentration of 0.3mg/L can be sprinkled in the whole pool and spilled again every other day. Special drugs for aquarium can be used for prevention and treatment in the aquarium.

2. Body damage is the most common disease, which mainly occurs in aquarium shops and consumers' homes, due to damage to fish during transportation and operation, as well as poor water quality management. There are two kinds of pathogens, parasites or bacteria, which can be treated with aquarium-specific drugs, but this drug is often a prohibited drug for eating fish, so use it carefully and observe the fish carefully. It is best to soak in 4mg/L potassium permanganate + 0.3% salt water for one day, add allicin to the feed, and control the temperature at about 30C.

3. Rotifer disease can be sprinkled with 0.5mg/L, a mixture of copper sulfate and ferrous sulfate, and then sprinkled with dibromohydantoin 0.3mg/L the next day. If raised in the aquarium, some aquarium-specific drugs can be used.

At present, there is a trend of increasing diseases in map fish raised in aquarium shops and consumers' homes. This is mainly because the technology in the aquarium shop is not handled properly, laying hidden dangers, and many consumers do not take proper management measures when raising them at home. The symptoms of fish disease show. All right, that's how to raise the map fish brought by the editor of Tuliu.com. Friends who like it welcome to follow Tuliu.com. I'll see you next time.