How to raise anchovies

The lower edge of the male fish's tail fin extends out of the needle fin, commonly known as the sword tail, while the female fish has no sword tail. Swordtail fish is an indispensable species in aquarium. But many people don't know how to raise swordfish. Next, I will go with you to see the culture method of anchovies.

Swordfish culture

When raising red flag fish, it is best to control the water temperature at about 25 -28 degrees (buy a thermometer for fish farming and put it in a fish tank to measure the water temperature).

When the male swordfish matures, its tail will have a sword, while the female fish's tail is fan-shaped.

Prepare a fish tank, the size depends on the number of fish, try to make it bigger, so that the fish have more room to move.

When fish are deprived of oxygen, they will move near the water surface. At this time, you can turn on the oxygen generator to supply oxygen. If there is no oxygen machine, change some water for the fish, find a straw to suck out the dirty things at the bottom of the tank, and change it to 1 or half of the water. If the change is too great, the fish will not adapt. Clear water does not mean that there is oxygen in the water. Try not to touch the fish when absorbing water or adding water to avoid hurting the fish.

If you don't want to change water often, you'd better feed live fish and worms once a day.

There is also a heating pipe to be used in cold weather.

Necessary equipment for raising tropical fish

(1) Fish tank: It is the place where tropical fish grow and move. Tropical fish must be raised in a slightly larger rectangular glass fish tank.

(2) Suction tube: it is used to suck out the dirt at the bottom of the fish tank when changing water, and is formed by connecting a soft rubber tube and a glass tube. The length depends on the height of the fish tank. Generally take one meter two to one meter five.

(3) Thermometer: used to measure and adjust the water temperature of the fish tank.

(4) Fishing nets: used to catch and transfer tropical fish.

(5) Glass lamp tube: put the bulb into the glass lamp tube and sink it into the fish tank for heating and lighting. The glass lamp barrel mouth must be higher than the water surface 100MM to prevent fish from jumping in.

(6) Electric heating tube: used to raise the temperature in the fish tank in winter.

(7) Air pump: discharge the carbon dioxide in the fish tank and increase the oxygen content in the water.

(8) Filter: filter out the dirt in the fish tank, keep the water clean, and play a dual role in increasing oxygen and purifying the water.

(9) Thermostat: It is used to automatically control the temperature in the fish tank and can keep a constant temperature for a long time.

(10) Feed hopper: prevent fish food from floating on the water surface, which is beneficial to fish predation. It can also prevent fish food from falling into the bottom of the water and drilling into aquatic plants, blackening aquatic plants and sand and destroying water quality.

(1 1) Decontamination liquid: made of plastic plate. Used to scrape the dust and oil on the water surface of fish tank.

Life habits of swordfish

Red flag fish has a mild temperament, can be mixed with other tropical fish, and is usually lively and active. When the male fish is frightened, or when there is a strong airflow and there is a fight, it likes to jump. Shuttling back and forth between female fish in estrus, intercepting female fish's courtship.

Swordfish is a beautiful ornamental fish. Origin in South America. In the country of origin, this kind of fish can generally grow to 7-8CM. Under the condition of artificial feeding, the body size is large, generally around 12CM. Swordfish is strong, easy to breed and not picky about food. Omnivorous, earthworms, red worms and artificial feed can all be fed. Generally speaking, water quality can adapt to weak acidity or weak alkalinity. Good cold tolerance, the suitable growth temperature is between 20-26 degrees, and the optimum temperature is 24 degrees. The fish jumped up when it was frightened. It is best to add a cover plate at the top of the aquarium when raising it. The life span of this kind of fish is generally 5 years.

Method for cultivating swordfish

Red flag fish is strong and easy to raise, and can adapt to weak acid water or weak alkaline water. Strong cold resistance. It grows well in the water temperature of 20 degrees and is suitable for raising in the water temperature of 24~26 degrees. It likes to jump after being frightened, and its jumping ability is very strong. For safety reasons, it is best to add a cover plate at the top of the aquarium. Reproductive characteristics: Adult fish can generally reproduce in about 7 months. The male fish is slender, the tail fin forms a rod-shaped genitalia, and there is a sword connector at the top; The female fish is short and fat with fan-shaped anal fins. Living in groups, when the breeding water temperature is 20~28 degrees, several male fish chase the female fish, and the female fish eggs are fertilized in the body. Before giving birth, the female fish has obvious black fetal point in the anus, so the female fish to be given birth can be caught in the breeding pool, and the breeding method is similar to that of guppies. Because of its large size, it usually gives birth to a baby every 30~50 days. Large male fish can produce more than 200 larvae per litter, and the newborn larvae are hidden in the leaves of aquatic plants. The larvae grow to three.

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