flowerhorn fish-prabhu India

Question
Why My Flower Horn Fish(RD) Suddenly Changed In White Color?Even I changed water once in a week.and also can i feed gold fish for my flowerhorn.Please help me

Answer
Hi Prabhu,
A change in colour usually is caused by stress, or poor water conditions.  Make sure that you have zero ammonia, zero nitrites, and that nitrates are low.  This is very important.  It could also be that his colour is changing if he is not full grown.  Feeding him goldfish is not a good idea.  Goldfish are sometimes full of disease, and have no nutritional value.
I hope this helps
Lynda