CATDOLL : CATDOLL: There are many types of catfish. Generally speaking, how long can they be kept in captivity?

1. There are many types of catfish. Generally speaking, how long can they be kept?

Catfish is a very common fish species that is found all over the world. They are also widely distributed in China. Catfish can live in the wild or in captivity. Under normal circumstances, catfish have a very long lifespan, and they can live to around 70 years old. Some catfish live longer, and there are many species of catfish, and some catfish stay almost the same size no matter how long they are kept. The species in most parts of China can be sold for less than a kilogram.

The reproduction cycle of catfish is about 90 days, and catfish on the market can produce two seasons a year. In Southeast Asia, the average lifespan of catfish is about 30 years, and there is a giant catfish species that can grow up to 30 years. But it is rare for catfish to live so long. Everyday catfish generally do not live so long, because there are many factors that affect the lifespan of catfish. For example, captive catfish, naturally, will not live that long. They are sold after a few years, and catfish is a common raw material. Therefore, these catfish can only live for a few years.

Catfish have a long life span in the wild, sometimes up to several decades, but there are many factors that can shorten their life span, such as unsuitable environment and human hunting, to varying degrees. Catfish are very adaptable to life, and are most active in foraging when the water temperature is between 20 and 30 degrees Celsius. Catfish have a high production rate, and can produce 40,000,000 eggs at a time. Catfish have a long life span. In natural waters, it is common to see old catfish that have grown for about 10 years, and some catfish have a life span of about 100 years. According to records, a catfish raised in captivity has lived for more than 60 years.

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It is about three to six months. The breeding time and temperature are completely different for different species. You must pay attention to the breeding density and choose high-quality feed.

Generally speaking, it can be raised for about 30 years, because catfish can live to about 70 years old, and catfish have high requirements for the growth environment, so we must pay attention to this issue when raising catfish.

Generally speaking, the longest can be 30 years, because catfish have cycles and some catfish can live for 30 years.

Generally speaking, the longest time may be 30 years, because catfish have cycles and some catfish can live for 30 years.

2. Catfish species

Qiányú (channel catfish) is a major catfish species in North America. Its official origin is in Missouri, Iowa, Nebraska, Kansas and Tennessee in the United States. Its common name is "channel cat". In the United States, 8 million people catch it every year. It is one of the most popular targets to be caught, and it is the most famous in the aquaculture industry. It is also called spotted catfish. It has thick meat without bones, smooth skin and tender meat, fat and rich taste. The nutritional value of channel catfish is extremely high. It is very fresh and tonic. It is usually used to make clay pot dishes, especially suitable for stewing with mustard tuber to bring out its freshness. When eating, channel catfish is fresh, tender and smooth, with a unique taste.

3. This is our local catfish. I don't know what species it is. The largest one is no more than one pound. We caught it last night. Who knows?

It doesn't look like the local ones~~~ It looks like six beards!!! The local ones all have two big beards and two small beards!