darkening

It has been a month since I have got his. He had good Red colour. Now he had turned REALLY DARK, I assume it is because for the inappropriate WATER TEMPERATURE. I have bought a Thermometer from the Local Fish Store and was using it, the water was cold (an approx of 23c or less) I blindly trusted...

My flowerhorn is about 3 inches now. It will be 3 months old this coming Nov. 10. I transferred it to a bigger tank two weeks ago. Since then, its color turns darker and darker everyday. He is very aggressive though as always. Eats a lot as always. And plays around the tank (goes up and down and...

My flowerhorn is about 3 inches now. It will be 3 months old this coming Nov. 10. I transferred it to a bigger tank two weeks ago. Since then, its color turns darker and darker everyday. He is very aggressive though as always. Eats a lot as always. And plays around the tank (goes up and down and...