Crab-eating Macaque
Crab-eating MacaqueCrab-eating MacaqueCrab-eating MacaqueCrab-eating Macaque

Crab-eating Macaque

Macaca fascicularis

Silhouette: Jamie Whitehouse · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~50% · Likely
at Bali Barat National Park
39 Verified sightings at Bali Barat National Park From 2019 to 2026
1,256 Verified sightings across all 16 parks From 2019 to 2026
July Best month highest sighting rate
🌅 Crepuscular When it's spotted at dawn and dusk

About the Crab-eating Macaque

Macaca fascicularis, variously known by common names such as crab-eating macaque, long-tailed macaque, or cynomolgus monkey, is a macaque species 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 a variety of cultural perceptions, from being smart and adaptive, to being sacred, to even being pests in some cases.

The crab-eating macaque is omnivorous and frugivorous. It lives in matrilineal groups ranging from 10 to 85 individuals, with groups exhibiting female philopatry and males emigrating from natal group at puberty. The crab-eating macaque is the only old-world monkey known to use stone tools in their daily foraging, and it engages in a robbing and bartering behavior in some tourist locations.

The crab-eating macaque is the most traded primate species and also the most popular species used in scientific research. Due to these threats, the crab-eating macaque was listed as Endangered on the IUCN Red List in 2022.

Macaca comes from the Portuguese word macaco, which was derived from makaku, a word in Ibinda, a language of Central Africa (kaku means... Wikipedia →

Closest Relatives at Bali Barat National Park

Javan Lutung
VU

Javan Lutung

🌅 Crepuscular Mammal

Trachypithecus auratus

Daily sighting probability ~40% · Likely

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
~80%
2 Khao Sok National Park 🇹🇭 Thailand
~80%
3 Tanjung Puting National Park 🇮🇩 Indonesia
~80%
4 Gunung Leuser National Park 🇮🇩 Indonesia
~70%
5 Komodo National Park 🇮🇩 Indonesia
~60%
6 Way Kambas National Park 🇮🇩 Indonesia
~60%
7 Bako National Park 🇲🇾 Malaysia
~60%
8 Bali Barat National Park 🇮🇩 Indonesia
~50%
9 Cat Tien National Park 🇻🇳 Vietnam
~40%
10 Taman Negara National Park 🇲🇾 Malaysia
~40%
11 Danum Valley Conservation Area 🇲🇾 Malaysia
~30%
12 Sepilok 🇲🇾 Malaysia
~30%
13 Khao Yai National Park 🇹🇭 Thailand
~20%
14 Kerinci Seblat National Park 🇮🇩 Indonesia
~20%
15 Kinabalu Park 🇲🇾 Malaysia
~10%
16 Kaeng Krachan National Park 🇹🇭 Thailand
Insufficient data

Quick answers

What are the chances of seeing a Crab-eating Macaque in Bali Barat National Park?

About 50% of wildlife watchers report a Crab-eating Macaque sighting in Bali Barat National Park, based on 39 verified sightings from GBIF citizen-science data.

When is the best time to see Crab-eating Macaque in Bali Barat National Park?

July has the highest sighting rate for Crab-eating Macaque in Bali Barat National Park in our monthly data.

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