The Cat Flea (Ctenocephalides felis), The Dog Flea (Ctenocephalides canis) and The Human Flea (Pulex irritans ) Are the three most common species.

Fleas are wingless, small insects that usually feed off the blood of mammals (including birds and humans). Their size ranges from 0.1 to 0.32 cm.

Fleas are typically brown, black, or reddish with 6 longs legs that allow them to jump.

Fleas Live as parasites on humans, mammals and birds and tend to hide in bedding, furniture, and floor cracks.

Fleas tend to spread disease more in the USA. However, In the UK fleas are not usually responsible for spreading disease. However, Fleas do bite.