unknown fish turning black

[catchndolphn]

I have an unknown fish in my tank(stepdad bought him while i was out of town) looks similiar to a clownfish, it was bright orange with one white stripe and a black stripe on each side of the white. i think it may be some kind of goby, anyways here is the problem, i have noticed that the orange on the fish is starting to turn really dark, almost black, the fish seems fine, eats normally, the only thing i see out of place is his color, any ideas what the problem could be. sorry i do not have a camera.

 

[ntswift]

It sounds like a tomato clown to me. Thats just a guess from what it sounds like to me. If it is a tomato clown then I believe it is suppose to change like that when it is a juvenile to adult. Does it look like any of these?

http://www.liveaquaria.com/product/scateg.cfm?pCatId=27

 

[roka64]

What are your water paramiters/critters/equipment/tank size?

You can updat "my info" to let everyone know.

Also do you have a pic?

 

[seaham358]

how about posting or sending a pic?? Could be a True perc. Mine were more orange when young and as they got older black filled in where the orange was. We really need a pic to ID a fish.
remember that some fish change colors as they get older, this is normal and there probably is nothing wrong with the tank.