hematophagia

he·ma·to·pha·gi·a

(hē'mă-tō-fā'jē-ă, hem'ă-),
Living on the blood of another animal, as does the vampire bat or a leech.
Synonym(s): hemophagia
[hemato- + G. phagō, to eat]

hematophagia

/he·ma·to·pha·gia/ (-fa´jah)
1. blood drinking.
2. subsisting on blood.hematoph´agous