hello i have a seabae anome that was redish brown when i got it 4 months ago and now has turned all white completly. i feed him whole silversides and scollops. tank is a 50 breeder with 150 watt halide and 120watt pc he is not directly under the light but gets a good amount of light where he is settled. could he be getting to little light or mayby to much could it be the food? he is hosted by a pair of clarki clowns.