What Do Fleas Look Like? Fleas are about 1/8 to 1/12 of an inch long, wingless, and brown or black in color. They have hard bodies, large hind legs, and look flat.

Take a close look at your dog's fur: Fleas are dark brown and very tiny, about 0.1 to 0.3 centimeters big, the size of a small crumb, but they're still able to be seen with the naked eye, says ...

What fleas look like Fleas are usually dark reddish-brown to black with flat, wingless bodies and needle-like mouthparts. When they bite, they penetrate the skin, causing itching and swelling.

If you share a bed with your pets, you may find black specks called "flea dirt." Learn what fleas look like, how to clean your bed, and how to prevent fleas.

Most dogs don’t have an itchy, swollen response to mosquito bites like humans do. Heartworm Unfortunately, mosquitoes carry heartworms and repeated bites increase the chances your dog or cat can ...