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  3. Long-tailed Macaque

One of the 6 macaques on WAnimals

Long-tailed Macaque (Macaca fascicularis)

Mammals · Primates · Cercopithecidae

Long-tailed Macaque

Macaca fascicularis

Endangered

At very high risk of extinction in the wild in the near future.

Spotted something wrong?

It is the non-human primate most used in biomedical and pharmacological research in the world.

Weight

2.7 kg – 8.6 kg

Size

38 cm – 55 cm

Life expectancy

25 years

Diet

Omnivore

Combines animal and plant food depending on availability.

Activity

Diurnal

Active mainly during the day.

Social structure

Herd

Lives in large groups as a strategy against predators.

Rainforest
13countries14parks44same family

AI-generated images: illustrations, not photographs.

Fun facts

  • It is the only Old World monkey recorded using stone tools in its everyday foraging.
  • It eats fruit, seeds, invertebrates, small vertebrates and crabs, which is where its common name comes from.
  • It lives in secondary forest, mangrove and land near human settlements across South-East Asia.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat and environment
Secondary forest, mangrove and land near human settlements across South-East Asia
Birth weight
Born precocial, clinging to its mother's fur
Size at birth
Born precocial
Sexual maturity
~4 years
Gestation / incubation
162-193 days (~5.5-6.5 months)
Litter / clutch size
1 young per birth
Life expectancy in captivity
Documented record of up to 37.1-37.6 years

Sources consulted: A-Z Animals · IUCN GISD · Wikipedia (Macaca fascicularis) · Columbia University Invasion Biology · CABI Compendium

Where to find it

Loading map…

The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented — showing 10 of 14.

Related species

Other species in the catalogue with the most in common with Long-tailed Macaque — same habitat, park, country, tags or family.

Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family
Same taxonomic family

How to help

The long-tailed macaque is classified as endangered. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

It's documented in 8 protected areas — one reason why protecting these places matters for its conservation.

Related guides

Keep exploring

Based on what we already know about long-tailed macaque.

Share an experience, a fun fact or a tip for seeing the long-tailed macaque.
See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano
See its range on the interactive map→
KomodoIndonesia
Gunung LeuserIndonesia
BokorCambodia
Ulu TemburongBrunei
Bukit Timah Nature ReserveSingapore
Nino Konis Santana National ParkTimor-Leste
BakoMalaysia
Bromo Tengger SemeruIndonesia
Ujung KulonIndonesia
Cat TienVietnam
See all 14 parks
Endangered

Southern Pig-tailed Macaque

Macaca nemestrina

Endangered

Javan Surili

Presbytis comata

Endangered

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Trachypithecus phayrei

Proboscis MonkeyEndangered

Proboscis Monkey

Nasalis larvatus

Rhesus MonkeyLeast Concern

Rhesus Monkey

Macaca mulatta

Vulnerable

Thomas's Langur

Presbytis thomasi

Where to see Long-tailed Macaque14 places
CountriesIndonesia
ParksKomodoIndonesia
TagsOmnivore
Omnivore
Diurnal
In herds
Endangered
Rainforest
Mammal
Indonesia
Vietnam
Brunei
Cambodia
Malaysia
Philippines
Brunei
Cambodia
China
Indonesia
Laos
Malaysia
Myanmar
Philippines
Singapore
Taiwan
Thailand
Timor-Leste
Vietnam