skin question

Hi, I'm new to owning a Sphynx. Our boy Woody is 6 months old, and lately we have noticed small light marks are appearing on his legs and side of body. Does anyone have any ideas what they may be? Thanks in advance.

I just gave Buster a bath and noticed these tiny dots on his chest/neck. They aren't red or discolored and they don't seem to bother him but I haven't noticed them before. They could be nothing but I wanted to ask just to be sure. They are hard to see but if you look carefully you can see the...