The main reasons why koi fish are inactive during the day include the followin...
The red tail of koi fish is usually caused by water quality problems, bacteria...
The main reasons for the appearance of red spots on the belly of koi fish are ...
The main reasons for the swollen belly of koi fish are as follows: Overeatin...
Koi fish generally stop growing significantly when they are 2 to 3 years old. ...
Koi fish start to change their colors when they are half a month old. Usually,...
The Concentration Range of Salt for Koi Fish The concentration range of salt...
The main reasons why koi don't eat are as follows: Unsuitable water temperat...
The main reasons why koi don't compete for food are as follows: Unsuitable w...
Koi can be raised without oxygenation under certain conditions. When there is ...