Want to know how long koi fish can live?

Koi fish can live for about 60 to 70 years.

Koi fish's life span is very long, generally around 60~70 years, but there are also legends that koi fish can live to 200 years old, but it depends on the specific farming methods.

Although koi fish has good adaptability, we should also pay attention to the change of domestic water temperature. The most suitable domestic water temperature is 20-25 degrees, so as to avoid the fluctuation of water temperature, which will lead to koi fish's illness and even death.

Male and female identification in koi fish;

1, anus

Male anal invagination is relatively small. Women's anus is flat and wide.

2. Body shape

Judging by observing the body shape, men are longer and thinner, and women's abdomen is bigger and fatter.

Step 3 worship

Idolization refers to the reproductive tumor that grows on the pectoral fin and head when the male is about to expel sperm. Gently press the abdomen of mature male fish, and white semen will flow out. There will also be rough horny protrusions on the fins. Women don't have these.