English: (A): The blood-feeding Vandellia cirrhosa from the subfamily Vandelliinae after a full meal of blood and (B): while taking blood from the gills of a fish host. Note the engorged belly of the candiru after a blood meal, and blood leaking from the gill opening of the fish host. (C): The carrion-eating candiru Pareiodon microps from the family Stegophilinae. (D): A close-up of the head. Note the shape of the mouth and compare it with that of the whale candiru. (E): The whale candiru Cetopsis coecutiens from the subfamily Cetopsinae. Photos by Ivan Sazima and Jansen Zuanon (A, B) and by Jansen Zuanon and Efrem J. G. Ferreira. (C, D, E).