An organism that feeds on blood.

Mammals (2)

Desmodontinae (Subfamily) Bonaparte, 1845 - vampire bats

Desmodus rotundus (É. Geoffroy Saint-Hilaire, 1810) - common vampire bat

Fishes (2)

Photocorynus spiniceps Regan, 1925

†Priscomyzon riniensis 2006

Crustaceans (2)

Argulus (Genus) Müller, 1785

Riggia paranensis Szidat, 1948

Annelids (1)

Ozobranchus branchiatus (Menzies, 1791)