What size aquarium is suitable for raising Japanese koi? What about

What size aquarium is suitable for raising Japanese koi?

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Japanese koi is a kind of ornamental fish that modern people are very fond of. It is a high-end ornamental fish that is popular all over the world. It has the reputation of "living jewel in water". More and more fishermen plan to raise Japanese koi, but as friends who raise Japanese koi for the first time, they really don't know what big tank to use to raise Japanese koi!

Japanese koi have many different body colors, have very high ornamental and feeding value, and Japanese koi belong to large ornamental fish. Many Japanese koi can reach more than 1 meter in length, while some ordinary koi have a body length of tens of centimeters. Even very small carps will grow up slowly later. As a breeder, you must prepare a fish tank big enough to raise Japanese koi.

So, how big a fish tank does it take to raise Japanese koi? This needs to be decided according to the actual situation of breeding. The most basic principle is to ensure that the Japanese koi can move freely in the fish tank. If you only raise some small koi, then the size of the fish tank should be determined according to the number of fish raised. Generally 1.2-1.5 meters above the cylinder, the depth of 0.8-1 meters can meet the needs of raising small koi. However, if the koi you raise are very large, you should pay attention to the free movement of the koi when determining the size of the fish tank.

Please do not ignore the damage caused by chemicals in water to Japanese koi. The main factors affecting chemical and toxic substances in water are biological activities, water sources, sediment and climate changes. For example, the fish pond is not clean for a long time, so that the residual bait of fish accumulates too much organic matter. In the process of microbial decomposition, on the one hand, a large amount of dissolved oxygen in the pond water is consumed, and at the same time, toxic gases such as hydrogen sulfide, biogas and carbonate gas are released. When these gases accumulate to a certain amount, they affect the water quality, which is not only not conducive to the growth of fish, but also conducive to the reproduction of pathogenic microorganisms, endangering fish.

Some algae, such as Microcystis aeruginosa, consume oxygen at night to reduce dissolved oxygen in the water, and when these algae die, they can decompose and produce toxins that make fish sick. In some places, the content of heavy metal salts such as lead and mercury in the soil of fish ponds is high, and it is easy to cause bends when fry and fry live in this environment for a long time. In some places, the water sources used are polluted, or factory waste water is directly discharged into rivers, reservoirs and lakes, bringing varying degrees of pollution to the water body. the various toxic substances in these waste water lead to the deterioration of fish meat, disease and even death of fish. and destroy the basis of fish bait, and then threaten fishery production.

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