CreatureData

Water deer

Hydropotes inermis Swinhoe, 1870

VUVulnerablemammals

The water deer (Hydropotes inermis), also called Vampire deer or Chinese water deer, is a mammal in the family Cervidae, subfamily Capreolinae, order Artiodactyla. It is a medium-sized, terrestrial herbivore of forest habitat, with adults weighing 14 kg and a cathemeral activity pattern.

Water deer (Hydropotes inermis)
Photo: Altaileopard · Public domain · Wikimedia Commons

Quick facts about the water deer

Gestation lasts 190 days, with reported values from 180 to 210 days, litters hold 3 young, and sexual maturity comes at 213.1 days. The IUCN Red List assesses the water deer as Vulnerable, a threatened category, and its lifespan is 12.95 years, with values up to 13.92 years.

Weight
12.8 kg – 14 kgsrc for Weight
Length
Not recorded
Lifespan
13 years – 13.9 yearssrc for Lifespan
Diet
Herbivoresrc for Diet
Main food
Not recorded
Habitat
forestsrc for Habitat
Gestation
180 days – 210 dayssrc for Gestation
Young per litter or clutch
3src for Young per litter or clutch
Age at maturity
7 monthssrc for Age at maturity
Active
Day and night (cathemeral)src for Active
Lifestyle
Terrestrialsrc for Lifestyle
Conservation status
Vulnerable (IUCN)src for Conservation status
Countries on record
Not recorded

Photos of the water deer

Only freely licensed photos are shown. Each carries its creator and licence.

Where does the water deer live?

Not recorded

What is the water deer?

Quoted from WikipediaCC BY-SA 4.0

The water deer (Hydropotes inermis) is a small deer species native to Korea and China. It has prominent tusks, unlike all other living true deer. It was first described to the Western world by Robert Swinhoe in 1870.

From the Wikipedia article “Water deer” (en.wikipedia.org/w/index.php?title=Water_deer&oldid=1380778353), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.

Is the water deer endangered?

The water deer is listed as Vulnerable on the IUCN Red List: it faces a high risk of extinction in the wild.

  1. LCLeast Concern
  2. NTNear Threatened
  3. VUVulnerable
  4. ENEndangered
  5. CRCritically Endangered
  6. EWExtinct in the Wild
  7. EXExtinct

Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Vulnerable species.

How is the water deer classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classMammalia
  4. orderArtiodactyla
  5. familyCervidae
  6. genusHydropotes
  7. SpeciesHydropotes inermis Swinhoe, 1870

Synonyms Hydropotes affinis, Hydropotes inermis argyropus, Hydropotes kreyenbergi

Other names and names in other languages (45)
  • Chinese water deerEnglish
  • Vampire deerEnglish
  • WaterhertAfrikaans
  • Sjinese WaterhertAfrikaans
  • أيل الماءArabic
  • أيل الماء الصينيArabic
  • أيل مصاص الدماءArabic
  • venáu acuáticuAsturian
  • Carw DwrWelsh
  • Ceirw DwrWelsh
  • VandrådyrDanish
  • WasserehGerman
  • Chinesisches WasserrehGerman
  • WasserrehGerman
  • Κινέζικο Ελάφι του έλουςGreek
  • Ciervo acuático chinoSpanish
  • Venado acuático chinoSpanish
  • VesihirvEstonian
  • vesikaurisFinnish
  • HydropoteFrench
  • Cerf d'eauFrench
  • Chevreuil des maraisFrench
  • Hydropote chinoisFrench
  • Cervo acuáticoGalician
  • Capriolo d'acquaItalian
  • キバノロJapanese
  • 고라니Korean
  • 보노루Korean
  • 복작노루Korean
  • vannrådyrNorwegian Bokmål
  • WaterreeDutch
  • Chinese WaterreeDutch
  • jelonkowiec błotnyPolish
  • HidrópotePortuguese
  • Водяной оленьRussian
  • kitajski močvirski srnjakSlovenian
  • vattenrådjurSwedish
  • Su GeyiğiTurkish
  • Водяний олень китайськийUkrainian
  • 獐Chinese
  • 水鹿Chinese
  • 河麂Chinese
  • 牙獐Chinese
  • 麕Chinese
  • 麞Chinese

Catalogue of LifeWikipediaiNaturalistTAXREFWikidataIUCN Red List

Relatives of the water deer

Other species in the same family Cervidae.

LC, Least Concern
Moose (Alces alces)

Moose

Alces alces

Cervidae

VU, Vulnerable
Reindeer (Rangifer tarandus)

Reindeer

Rangifer tarandus

Cervidae

LC, Least Concern
Red deer (Cervus elaphus)

Red deer

Cervus elaphus

Cervidae

LC, Least Concern
Roe deer (Capreolus capreolus)

Roe deer

Capreolus capreolus

Cervidae

LC, Least Concern
Elk (Cervus canadensis)

Elk

Cervus canadensis

Cervidae

CompareWater deer vs MooseWater deer vs ReindeerWater deer vs Red deerWater deer vs Roe deer

Common questions

Each answer is written from the sourced facts on this page, and only where they hold the answer.

What kind of animal is the water deer?

The water deer is a mammal in the deer family Cervidae, order Artiodactyla. It belongs to the subfamily Capreolinae and the genus Hydropotes.

How heavy is a water deer?

An adult Water deer weighs 14 kg, which places it in the medium size class.

What does the water deer eat?

The water deer is a herbivore.

What habitat does the water deer live in?

The water deer lives in forest habitat and is terrestrial.

Is the water deer endangered?

The water deer is listed as Vulnerable on the IUCN Red List, which is a threatened category.

How long does a water deer live?

The water deer has a lifespan of 12.95 years, with values up to 13.92 years reported.

How many young does a water deer have?

A water deer has 3 young per litter, after a gestation of 190 days.

Who named the water deer?

The water deer was named Hydropotes inermis by Swinhoe, 1870.

Sources and how to cite this page

Data as of 2026-11-11. How this page is put together.

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APA

CreatureData. (2026). Water deer (Hydropotes inermis). Retrieved from https://creaturedata.com/animals/water-deer

MLA

“Water deer (Hydropotes inermis).” CreatureData, 2026, https://creaturedata.com/animals/water-deer.

BibTeX
@misc{water_deer_2026,
  title = {Water deer (Hydropotes inermis)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/water-deer},
  note = {Data as of 2026-11-11}
}