Fanged deer may refer to several deer and deer-like ruminants with downward-pointing canine teeth or tusks, including: Cervidae (true deer) Muntjacs (14 species, genus Muntiacus), native to South Asia and Southeast Asia; with the Reeves's muntjac an invasive species in the United Kingdom and Japan Water deer (one species, Hydropotes inermis), native to China and Korea, and introduced to Europe Tufted deer (one species, Elaphodus cephalophus), a close relative of the muntjacs native to central China and northeastern Myanmar Moschidae Musk deer (seven species, genus Moschus), inhabiting South Asia, East Asia, and Siberia Tragulidae Chevrotains or mouse-deer (10 species), native to primarily South and Southeast Asia; with the water chevrotain found in Central and West Africa