Ancylostoma caninum<unk> s in a dog<unk> s are intestinal, blood-feeding, parasitic roundworms that cause types of infection known as helminthiases.<unk>  infection is found in many parts of the world, and is common in areas with poor access to adequate water, sanitation, and hygiene. In humans, infections are caused by two main species of roundworm, belonging to the genera Ancylostoma and Necator. In other animals the main parasites are species of Ancylostoma.
Hookworm
Pinworm 
Mosquito
Bowl of Hygieia
Liver fluke
Schistosoma
Peruna 
Flea