Quick answer
Proboscis Monkeys (Nasalis larvatus) typically live around 15–20 years in the wild. Wild averages fall when predation, disease, or habitat loss rise; managed populations can live longer with stable food and veterinary care.
Key takeaway
Proboscis Monkeys (Nasalis larvatus) typically live around 15–20 years in the wild. Wild averages fall when predation, disease, or habitat loss rise; managed populations can live longer with stable food and veterinary care.
Proboscis Monkey lifespan in the wild
Field and museum records place most proboscis monkeys near 15–20 years in the wild. That figure blends ages at death across regions, so treat it as a planning range. Body size (10–24 kg (22–53 lb); males much larger) and risk lifestyle both shape the average.
What shortens proboscis monkey lives
Predation, infectious disease, injury, food shortages, and habitat fragmentation cut survival. Roadkill and human conflict matter wherever proboscis monkeys share landscapes with people.
What helps proboscis monkeys live longer
Connected habitat, low chronic stress, and reliable food support longevity. For captive or domestic relatives, species-correct diet and veterinary screening matter more than generic “pet” advice.
Proboscis Monkey life stages
Juveniles usually face higher mortality than prime adults. Older animals may move less, show dental wear, or lose body condition — useful signs when ageing proboscis monkeys in the field.
Diet and ecological role
Proboscis Monkeys feed on herbivore — leaves, unripe fruit, seeds, and flowers. Foraging shifts with season and local abundance. As mammals, they influence food webs — controlling prey, dispersing seeds, or shaping habitat through feeding and movement.
Conservation and coexistence
Listed as Endangered on the IUCN Red List. Habitat loss, hunting, and climate change threaten many populations. Responsible ecotourism and community conservation help in parts of their range. Never approach or feed wild proboscis monkeys.
Sources
Proboscis Monkey FAQs
How long do proboscis monkeys live?
Proboscis Monkeys (Nasalis larvatus) typically live around 15–20 years in the wild. Wild averages fall when predation, disease, or habitat loss rise; managed populations can live longer with stable food and veterinary care.
What is the scientific name of the proboscis monkey?
Nasalis larvatus — used in research and conservation listings for proboscis monkeys.
What do proboscis monkeys eat?
Proboscis Monkeys eat leaves, unripe fruit, seeds, and flowers, with seasonal and regional variation in Borneo mangroves, peat swamp, and riverine forest.
Where do proboscis monkeys live?
They are associated with Borneo mangroves, peat swamp, and riverine forest. Local presence depends on food, cover, and human land use.
What is the conservation status of proboscis monkeys?
Listed in our guides as Endangered. Check the IUCN Red List and national assessments for the latest formal category.