Mentawai langur
Presbytis potenziani (Bonaparte, 1856)
CRCritically Endangeredprimates
The mentawai langur (Presbytis potenziani) is a species in the family Cercopithecidae, order Primates. Recorded adults weigh 5.94 kg to 6.45 kg. Its IUCN Red List status is Critically Endangered.
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Quick facts about the mentawai langur
- Weight
- 5.94 kg – 6.45 kgsrc for Weight
- Length
- Not recorded
- Lifespan
- Not recorded
- Diet
- Herbivoresrc for Diet
- Main food
- Not recorded
- Habitat
- Not recorded
- Young per litter or clutch
- 1.01src for Young per litter or clutch
- Active
- By day (diurnal)src for Active
- Lifestyle
- Arborealsrc for Lifestyle
- Conservation status
- Critically Endangered (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the mentawai langur live?
Not recorded
What is the mentawai langur?
The Mentawai langur (Presbytis potenziani) is a species of primate in the family Cercopithecidae. It is endemic to the Mentawai Islands in Indonesia. Its natural habitat is subtropical or tropical dry forests. The Siberut langur (P. siberu) was formerly considered a subspecies of the Mentawai langur.
From the Wikipedia article “Mentawai langur” (en.wikipedia.org/w/index.php?title=Mentawai_langur&oldid=1356937106), 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 mentawai langur endangered?
The mentawai langur is listed as Critically Endangered on the IUCN Red List: it faces an extremely high risk of extinction in the wild.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Critically Endangered species. What the categories mean.
How is the mentawai langur classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderPrimates
- familyCercopithecidae
- genusPresbytis
- SpeciesPresbytis potenziani (Bonaparte, 1856)
Synonyms Presbytis chrysogaster, Semnopithecus chrysogaster, Semnopithecus chrysogaster, Semnopithecus potenziani
Other names and names in other languages (9)
- Golden-bellied Mentawai island langurEnglish
- Golden-bellied Mentawai island langurEnglish
- Long-tailed langurEnglish
- Long-tailed langurEnglish
- Mentawai leaf monkeyEnglish
- Mentawai leaf monkeyEnglish
- Langur ColilargoSpanish
- Langur De MentawiSpanish
- Semnopithèque de MentawiFrench
Relatives of the mentawai langur
Other species in the same genus Presbytis.

Raffles' banded langur
Presbytis femoralis

Hose's langur
Presbytis hosei

Black-crested Sumatran langur
Presbytis melalophos

Thomas's langur
Presbytis thomasi

Maroon leaf monkey
Presbytis rubicunda

Javan surili
Presbytis comata
CompareMentawai langur vs Raffles' banded langurMentawai langur vs Hose's langurMentawai langur vs Black-crested Sumatran langurMentawai langur vs Thomas's langur
Common questions
Answered only where our data holds the answer.
How big is the mentawai langur?
An adult mentawai langur weighs 5.94 kg – 6.45 kg, according to values recorded on Wikidata.
Is the mentawai langur endangered?
The mentawai langur is listed as Critically Endangered on the IUCN Red List, meaning it faces an extremely high risk of extinction in the wild.
What kind of animal is the mentawai langur?
The mentawai langur (Presbytis potenziani) belongs to the family Cercopithecidae in the order Primates.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Mentawai langur (Presbytis potenziani). Retrieved from https://creaturedata.com/animals/mentawai-langur
“Mentawai langur (Presbytis potenziani).” CreatureData, 2026, https://creaturedata.com/animals/mentawai-langur.
@misc{mentawai_langur_2026,
title = {Mentawai langur (Presbytis potenziani)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/mentawai-langur},
note = {Data as of 2026-11-11}
}