Ancylostoma tubaeforme is a hookworm that infects cats. Infection can occur by penetration of the skin, eating other hosts such as birds, or by directly consuming the organism. This hookworm can also infect humans, causing a dermatitis. Ancylostoma tubaeforme along with Ancylostoma braziliense are the two most common hookworms to infect cats, causing anemia and also compromising the immune system.