Skin Issue?

[Sky Diamond]

Is this a possible skin issue on my new axolotl's side or is it just normal?
Sorry the image has been flipped onto its side. Wouldn't allow me to turn it the right way around. :/

Thanks.

 

[Kaysie]

I'm not sure what you're referring to. Could you be more specific?

 

[Sky Diamond]

The greyish white stuff on the side of his stomach.