Hamster small black spots?

[harryhausen]

My Syrian hamster has lots of long hair and is very fluffy. Today I've noticed his skin is covered in tiny black spots and certain parts of his hair seem thinner but not bald. He seems happy in himself, eating and playing fine.

Anyone know what this may be? Mites? Is there anything I can buy from the pet shop or is it a vet job?

We had a Chinese hamster who had mites, once. He had to go to the vets for some injections, the first one didn't work and his fur started to fall out behind his head. He was old though.

Oh dear. That doesn't sound good.