Originally Posted by Crazy-Cat-Lover
Dogs can get lice, lice lay nits on the hair which are visible to the naked eye. They pose no harm to any other animal, they are species specific. There is also the dreadful "walking dandruff". Yes It looks as though the dandruff is walking, unfortunately, this is caused by the movement of Cheyletiella mites motoring around under the scales.
These can only be diagnosed by a veterinarian, but dont worry, it is probably just dry skin. Does she have thickened skin? Or slight loss of hair? Is she itchy?