2. Mites: Mites are tiny, spider-like creatures that live on the skin of animals. There are many different types of mites, and some of them can cause skin problems in guinea pigs. Mites can cause itching, redness, and hair loss.
3. Lice: Lice are small, wingless insects that live on the skin of animals. They feed on the blood of their host, and they can cause irritation and itching. Lice can also transmit diseases.
4. Ticks: Ticks are small, parasitic creatures that feed on the blood of animals. They are often found in grassy or wooded areas, and they can attach to guinea pigs that have been in these areas. Ticks can cause irritation and itching, and they can also transmit diseases.
5. Dirt or debris: Sometimes, tiny black specks on guinea pigs can be caused by dirt or debris. This is especially common if the guinea pig has been playing in a dirty environment.
6. Dandruff: Dandruff is a common skin condition that can affect guinea pigs. It is caused by the shedding of dead skin cells. Dandruff can appear as tiny black specks on the guinea pig's skin.
7. Pigmentation: Some guinea pigs have black pigmentation on their skin. This is a normal variation and is not a cause for concern.