I got him 2 weeks ago and he's been doing great. I decided to add some gravel to his tank and 2 days later, I noticed his color changed! The horizonal black spots are gone. Is he okay? Help! This is my forst flowerhorn 
This was him right when I got his gravel
This is him now... He's been eating good. Water conditions are perfect. Is this something I should worry about? How can I get him back to his old colors? Thank you!


This was him right when I got his gravel

This is him now... He's been eating good. Water conditions are perfect. Is this something I should worry about? How can I get him back to his old colors? Thank you!