Amazing update brother and great job raising him, I really like the way his hump getting bigger and bigger brother but looks like the color kinda lacking off maybe because you put off the back ground.
Try to put on sum back ground (colorful or reef) and then put sum under gravel (small rocks with natural color). Hopefully the color will getting better and better brother. Hopefully you don't mad at me brother since I believe you will be so happy if his color getting crazy plus the head size...GBU
best regards,
jonz88