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Hyemoschus aquaticus

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Mammalia
Subclassis: Theria
Infraclassis: Placentalia
Superordo: Cetartiodactyla
Ordo: Artiodactyla
Subordo: Ruminantia
Familia: Tragulidae
Genus: Hyemoschus
Species: Hyemoschus aquaticus


Hyemoschus aquaticus (Ogilby, 1841)

Vernacular names
Ελληνικά : Υαίμοσχος ο υδρόβιος
Polski: Kanczyl afrykański


* Hyemoschus aquaticus on Mammal Species of the World.
* Don E. Wilson & DeeAnn M. Reeder (editors). 2005. Mammal Species of the World : A Taxonomic and Geographic Reference, 2-volume set(3rd ed).


The water chevrotain (Hyemoschus aquaticus), also known as the fanged deer, is a small ruminant found in tropical Africa. It is the largest of the ten species of chevrotains, evolutionarily primitive even-toed ungulates which are similar to deer but are barely larger than small dogs. The water chevrotain is found mostly in coastal West Africa and the rainforests of central Africa.

The water chevrotain has a stocky, rounded body, thin legs with hooves, and a mouselike head. The male has tusks, which give the species the appellation "fanged deer". As its other common name suggests, the water chevrotain is a good swimmer and can dive underwater. Its nostrils are slits which it can squeeze shut to keep water out. It will never stray far from a water source, and it will retreat to water and jump in when threatened. It has a reddish brown coat with white stripes and spots. Adults average 10-12 kilograms and up to 80 centimeters in length.

Chevrotains are true ruminants, feeding mostly on a diet of plants, especially fruit. The water chevrotain is nocturnal and mainly solitary. Males' territories overlap those of females, but the males are rarely aggressive toward each other. While they do occasionally fight, using their tusks as weapons, they apparently prefer to avoid each other and keep to themselves. An estrous female will mate with the male with whom she shares a home range, and then gives birth to one precocial fawn.

The water chevrotain is a vulnerable species due to two main forces. Its tropical rainforest habitat is being rapidly consumed by humans, and the animals themselves are hunted for bushmeat.


1. ^ IUCN SSC Antelope Specialist Group (2008). Hyemoschus aquaticus. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 26 March 2009. Database entry includes a brief justification of why this species is of least concern.

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