Is the grouper a marine fish or a freshwater fish?
Grouper, also known as black fish, ball fish, black stick, raw fish, snakehead fish, filial piety fish, cuttlehead fish and so on, is a kind of fish with high protein content. Is it a sea fish or a freshwater fish?
Is the grouper a marine fish or a freshwater fish?
Grouper is not only a freshwater fish, but also a valuable freshwater fish with high economic value. its meat is delicious, best-selling at home and abroad, and the price is expensive, so it is one of the important aquatic products exported by our country.
Second, how to raise grouper?
1. Prepare for
The water depth of the aquaculture pond is about 2 meters, and the ridge of the pond is 50 centimeters above the surface of the water. Bamboo fences or nets are used as anti-escape walls around the pond. The water source should be adequate, the water quality should be fresh, and the water quality should be fresh. Half a month before the fish is released, the pond is thoroughly cleaned and disinfected with quicklime. After an interval of 3 days, fresh water is injected into the fish with a depth of 1.0 meters. After the toxicity disappears, the fish can be put into the water.
two。 Density
The culture density of black fish depends on the size of the fish species. Generally, 6, 000 to 10, 000 3-5cm long fish species, or 5, 000 10-15cm long fish species, or about 2, 000 20cm long fish species can be kept in a 660 square meter pond.
3. Feed
Black fish feed is divided into two kinds, one is the fresh animal feed based on small wild miscellaneous fish, and the other is artificial formula feed: floating pellets, hard granules and powdered ingredients.
4. Administration and Management
Pay attention to observe the feeding, activity, incidence trend and environmental changes of black fish. Change the water of the pond every week in spring, change every 3 days in high temperature season, change every 7 days, enter and drain to catch the escape net, and the ridge of the pond is more than 50 cm above the water surface. For the discharged sewage, the necessary sewage treatment should be carried out.
As a valuable economic freshwater fish, grouper is a famous soup ingredient in Guangdong. Interested friends might as well try to travel.
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