Yellow watchman goby Not yellow?

[DVeit]

I purchased a YWG from petco about a month ago and he's been in QT ever since. I put him in my DT last weekend and he is not at all yellow. He is a gray/white color with a black head but still has his blue spots. Are there ywg this color or is it possibly because he was in QT with no light or substrate? When I bought him he was a faded yellow. He's only about an inch long. Any ideas?

 

[Almonds]

There is a possibility that he could be a Blue Spotted Watchman Goby. I personally have one that is completely dark grey, but based on some pictures I have seen, they can be tinged yellow as well.

 

[footballdude2k3]

What did you feed him? IME, fish start to lose their color if they are not eating properly, like when tangs do not eat algae.

I had a friend lose a YWG in his overflow for 18 months, when it came out, the color sucked, so that might have been because it had a bad diet living in the overflow.

 

[DVeit]

He eats frozen mysis, LRS reef frenzy, and NLS theraA pellets. Although anytime I do see him eat it's one or two pellets, or one little mysis shrimp. He doesn't eat much.