Lion-tailed Macaque vs Proboscis Monkey
How does the Lion-tailed Macaque compare to the Proboscis Monkey? They are both members of the Cercopithecidae family. Below we put their classification, habitat, diet, size, and conservation status side by side — and settle who would win in a fight.


Side-by-side comparison
- Scientific name
- Macaca silenus
- Nasalis larvatus
- Classification
- Mammal
- Mammal
- Family
- Cercopithecidae
- Cercopithecidae
- Habitat
- Tropical rainforest
- Mangrove forests, riverine forests, and lowland rainforests
- Diet
- Omnivore
- Herbivore
- Conservation status
- Endangered
- Endangered
- Lifespan
- 20-30 years
- 15-20 years
- Weight
- 2-10 kg
- 16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females
Lion-tailed Macaque vs Proboscis Monkey: who would win?

Lion-tailed Macaque
2-10 kg

Proboscis Monkey
16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females
Proboscis Monkey wins high confidence
Proboscis Monkey is substantially heavier (16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females vs 2-10 kg). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
Similarities
- Both are mammals.
- Both belong to the Cercopithecidae family.
- Both are listed as Endangered.
Differences
- Habitat: Tropical rainforest vs Mangrove forests, riverine forests, and lowland rainforests.
- Diet: omnivore vs herbivore.
- Weight: 2-10 kg vs 16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females.
Lion-tailed Macaque vs Proboscis Monkey: FAQ
Who would win in a fight, a Lion-tailed Macaque or a Proboscis Monkey?
Proboscis Monkey wins. Proboscis Monkey is substantially heavier (16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females vs 2-10 kg). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
What is the difference between a Lion-tailed Macaque and a Proboscis Monkey?
Lion-tailed Macaque and Proboscis Monkey differ in several ways — habitat: tropical rainforest vs mangrove forests, riverine forests, and lowland rainforests. diet: omnivore vs herbivore. weight: 2-10 kg vs 16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females.
Do Lion-tailed Macaque and Proboscis Monkey live in the same habitat?
No — Lion-tailed Macaque lives in tropical rainforest, while Proboscis Monkey is found in mangrove forests, riverine forests, and lowland rainforests.
What do Lion-tailed Macaque and Proboscis Monkey eat?
Lion-tailed Macaque has a omnivore diet, while Proboscis Monkey has a herbivore diet.
Which is more endangered, the Lion-tailed Macaque or the Proboscis Monkey?
Lion-tailed Macaque is listed as Endangered, while Proboscis Monkey is listed as Endangered.
How big are Lion-tailed Macaque and Proboscis Monkey?
Lion-tailed Macaque weighs around 2-10 kg, while Proboscis Monkey weighs around 16-22 kg (35-50 lbs) for males; 7-12 kg (15-26 lbs) for females.

Full profile
Lion-tailed Macaque

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Proboscis Monkey







