Crab-eating Macaque (Macaca fascicularis) — Least Concern Mammalia

Crab-eating Macaque

Macaca fascicularis

Conservation Status

Least Concern

Mammalia · Primates · Cercopithecidae

About

The crab-eating macaque, also known as the long-tailed macaque or cynomolgus macaque, is a cercopithecine primate native to Southeast Asia. As a synanthropic species, the crab-eating macaque thrives near human settlements and in secondary forests. The crab-eating macaque has developed attributes and roles assigned to them by humans, ranging from cultural perceptions as being smart and adaptive, to being sacred animals, being regarded as vermin and pests, and becoming resources in modern biomedical research. It has been described as a species on the edge, living on the edge of forests, rivers, and seas, at the edge of human settlements, and perhaps on the edge of rapid extinction.

Fun Fact

Crab-eating macaques on certain Thai islands have entered their own Stone Age — they use stone tools to crack open shellfish and nuts, and tool techniques vary between island populations like cultural traditions.

Quick Facts

Habitat

Forests and mangroves

Diet

Omnivore

Lifespan

25-30 years

Threats

  • Illegal Logging
  • Deforestation

External Data Sources

Recent sightings on iNaturalist IUCN Red List profile

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