Are Black Flecks On My Cat Flea Eggs. Black specks in your cat's fur most often indicate a flea infestation, and are actually flea feces. Dandruff is a separate issue that can be caused by overactive oil glands in the skin or by ringworm, a fungus.
Dandruff is a separate issue that can be caused by overactive oil glands in the skin or by ringworm, a fungus. Comb some of these specks off the cat with a cat flea comb, collect it on a tissue or paper towel, and then add a drop or two of water. If you observe your cat scratching and aren't sure if fleas are the cause, you can certainly try to use a flea comb on your cat and observe if tiny black dots are present.