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To put it simply, zebrafish.
It is the best fish in the tropical fish species and the most cold-tolerant fish in the tropical fish, but it is still a tropical fish after all, as long as it is not less than 20 degrees, add a filter pump to the fish tank, as long as he gives him something to eat, he can live brilliantly!
If you want to raise it for a long time and grow fast, the temperature is best around 26-28 degrees, as long as you can eat enough, it will grow quickly!
Let's talk about more details: zebra fish (zebra fish), also known as blue striped fish, flower fish, zebra tani. It is not difficult to distinguish between male and female zebrafish:
The male zebrafish has a slender body, large fins, yellowish body color, brownish-yellow anal fin, and prominent stripes; The female fish has a fatter body, a lighter body color, a bluish tinge, a pale yellow anal fin, and an obvious abdominal expansion during the egg-bearing stage. Zebrafish is an oviparous fish that enters sexual maturity at the age of 4 months, and generally reproduces well with 5-month-old fish. It is relatively easy for zebrafish to reproduce.
Water requirements for reproduction, hardness 6-8, water temperature 25-26 degrees Celsius.
Zebrafish prefer to eat their eggs on their own, so small stones and aquatic plants are laid in the breeding tank to facilitate the attachment of eggs. When breeding, it can be prevented from entering the breeding tank according to the ratio of 1:2 between male and female, and it is generally prevented from entering the first night, and the eggs can be spawned and fertilized at noon the next morning.
After sovvulation, the breeding fish should be fished out and raised. A female can ovulate between 300 and 1000 eggs at a time. The fertilized eggs can hatch larvae after 2-3 days, and then the larvae begin to swim and forage after 2 days, and they can be fed with "water" at first, and after 10 days, they can be fed other small fish and insects.
The breeding cycle of zebrafish is about 7 days, and it can reproduce continuously 6-7 times a year, and the spawning is high. It is highly fertile, making it the preferred breed for beginners in tropical fish.
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The temperature of the feeding water should be kept between 25 and 26 degrees;
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Good to raise
Zebrafish are easy to raise, they do not have high requirements for the environment, and their adaptability to the environment is relatively strong, compared with other tropical fish, it is a kind of low difficulty to raise. And they are more resistant to cold and can also live in poor water quality. When they are bred in captivity, as long as the water temperature and water quality of their life can be guaranteed, they can survive normally.
But for a breeder to keep zebrafish well, it's best to control the environment in which they live according to their habits.
Zebrafish have a good adaptability, and many people try to feed zebrafish well with tap water. The life span of zebrafish is not very long, if you can raise zebrafish for a long time, you need to work the way of feeding, although the water temperature requirements will not be too good, it is still very good to master a certain proportion of zebrafish.
The lifespan of a zebrafishGenerally speaking, under normal circumstances, the lifespan of zebrafish is about two to three years, which refers to the normal time, excluding the conditions for zebrafish to be infected with diseases and unnatural death, but in fact, the average person can raise zebrafish for 2 or 3 years is very little, because the size of zebrafish is petite.
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Zebrafish will die in winter if they are not heated.
Zebrafish will die if they are not heated in winter, but when the temperature is extremely low in winter and the water temperature is already below 11 degrees, it needs to be heated with a heating rod, otherwise the zebrafish will get sick or even die. In addition, the water temperature received by zebrafish should not be too high or too low, and if the water temperature is higher than 35 fingers, then they will also die.
Zebrafish's water requirements
1. Raise zebrafish should not change the water frequently, zebrafish is more sensitive to changes in water temperature, so only one-third of the water in the tank can be replaced each time to prevent the temperature difference from affecting the growth and development of zebrafish.
2. When raising zebrafish, neutral water needs to be used, and the water quality needs to be clean and thorough. Soft water is recommended during the breeding period of zebrafish, which is more conducive to spawning and hatching.
3. Zebrafish is a tropical fish, and the water temperature needs to be controlled at 20 23 when breeding.
Habitat
Zebrafish mainly inhabit streams, ponds, and rivers where the water flows slowly. They prefer to feed in upper waters, but they also tend to be active in flowing waters with dense silt and vegetation, and more zebrafish can be found close to rice paddies.
Most of the spotted horsefish live in relatively clear waters, and a small number live in murky waters. The temperature range for zebrafish is generally considered to be the optimal temperature for zebrafish to grow and reproduce, and their optimal pH is.
Due to the monsoon climate of the Indian subcontinent, the extent of the freshwater habitat of zebrafish varies greatly from season to season. During the dry season, they inhabit rice paddies and waterholes, where they breed and lay eggs, and after the rainy season, they return to rivers and streams. They are usually found in rice paddies and puddles, which is associated with rice cultivation.
This association with rice cultivation may be related to the use of chemical fertilizers, which promote the growth of zooplankton, the main component of the zebrafish diet. There is a low number of large predatory fish in rice paddies and shallow seasonal waters, which provides an environment for zebrafish to live.
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The lowest survival temperature of zebrafish in winter is 10 degrees, and the suitable survival temperature is about 22 to 30 degrees.
In winter, there is a large gap in temperature in various regions of China.
In the south, the temperature is relatively high, which is suitable for zebrafish to survive.
In the north, the winter temperature is mostly below freezing, and the method of raising the water temperature should be adopted to feed zebrafish.
1. The minimum temperature of zebrafish is 10 degrees in winter, and if it is lower than this degree, the zebrafish will be in danger of life.
In addition to controlling the minimum survival temperature in the winter feeding process, the temperature difference of the living water mass can not fluctuate greatly.
Zebrafish swim fast, prefer clear and mild water, have a lifespan of up to 2 to 3 years, and have a body length of about 6 cm.
Mild-tempered, lively and active, suitable for polyculture.
It is an oviparous fish, and the temperature of the water for breeding is about 25 degrees Celsius, so it can be seen that the temperature in winter is not suitable for zebra breeding.
Second, how to feed zebrafish in winter as a small tropical fish, the lower temperature in winter is obviously not suitable for zebrafish to survive, even though zebrafish are easy to raise, but in winter to hold or stool to feed zebrafish some matters still need to pay attention.
1. Temperature: In winter, when the temperature is lower than 10 degrees, the fish tank should be moved indoors in time, and there will generally be floor heating or heating indoors, and the temperature is more suitable.
If there is no underfloor heating and heating in the environment where zebrafish are raised, a heating rod will be used to warm up.
2. Feeding: Zebrafish can be fed tropical fish feed and red nematodes, which are relatively easy to obtain and will not damage the water quality.
In winter, the digestive system of zebrafish will also be relatively slowed down, it is recommended to feed once a day, do not feed too full, seven points full can be, can maintain vitality and will not lead to enteritis diseases.
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Zebrafish freeze to death in winter at low temperatures. Zebrafish can survive normally at a water temperature of around 18 to 20 degrees, but if it falls below this temperature, a heating rod is required. The zebrafish is a small tropical fish with silvery-white, dark blue, and golden-yellow stripes all over its body, similar to those on a zebra's body, hence the name zebrafish.
In winter, the temperature in our country is generally low, and the low temperature environment will freeze the fish to death. <
Zebrafish can freeze to death in winter at cooler temperatures. Freezing to death usually occurs in the north, where there are four distinct seasons and a large temperature difference between day and night in winter. Zebrafish live in water temperatures of 18 to 20 degrees Celsius, below which they may freeze to death if they are not warmed.
Zebrafish has always been considered a good fish, because zebrafish has a strong adaptability, even tap water can feed zebrafish, but it is not that zebrafish do not have precautions, such as how to feed in winter, feeders do not have some feeding knowledge, zebrafish are easy to die in winter.
1. Temperature: In winter, if the outdoor temperature is lower than 11 degrees, at this time, the zebrafish should be moved indoors to feed, if not moved indoors to feed, heating equipment needs to be used, such as heating rods, to keep the water temperature in the range of 18 to 20 degrees.
2. Change the water: For tap water, you need to expose the tap water to the sun for about 3 days, and the water temperature in the fish zebrafish tank is consistent, and the water should be poured slowly to maintain the water balance.
3. Food: Food should be fed in small quantities to avoid bacteria breeding in the water and polluting the water body if the food is not finished.
Angelfish like soft water, breeding is to maintain the pH between the level, usually to change the water once a day, a quarter to a fifth. The water temperature is controlled at around 28 degrees. Feed once in the morning and once in the evening, if there are bloodworms and bloodworms, you should fish out the food that has not been eaten.
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Find a fish tank, just have water.