wat behavour shoul i look for?

[slof]

came home today after college and he was rite down the bottem of his viv and had gone a rellie dark brown/ blck couler n e ideas why and is there any thing in his behovour i should look for so i no if its to hot /cold or any thing like that thanks

 

[BocaJan]

https://www.chameleonforums.com/how-ask-help-66/ Please answer these questions. It is the information that our experienced folks need to answer your questions. Also, pictures would be very very helpful.

BTW, are you from the US?