On sunny days, temperatures above 15 ° C. But in water it is 8-9 ° C. The various bacteria that grow in the cold water that are harmful to the body of the fish, that is, they make wounds in the body of the fish. Various poisons are applied to prevent the wound from forming. Which keeps the fish safe. Good morning, hope you guys also safe :D
Here, today we have just 10° but its sunny Day!