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.

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.

What do fleas look like? Fleas are reddish-brown and about 2 to 4 mm long. They’re oval-shaped, but thin and flat, which makes it easy for them to move quickly through animal fur and escape ...