Lace Monitor vs Merten’s Water Monitor
How does the Lace Monitor compare to the Merten’s Water Monitor? They are both members of the Varanidae 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
- Varanus varius
- Varanus mertensi
- Classification
- Reptile
- Reptile
- Family
- Varanidae
- Varanidae
- Habitat
- Forests and woodlands
- Freshwater rivers, billabongs, and wetlands
- Diet
- Carnivore
- Carnivore
- Conservation status
- Least Concern
- Near Threatened
- Lifespan
- 15-20 years
- 8-15 years
- Weight
- 6-14 kg
- 1.0–2.5 kg
Lace Monitor vs Merten’s Water Monitor: who would win?

Lace Monitor
6-14 kg

Merten’s Water Monitor
1.0–2.5 kg
Lace Monitor wins high confidence
Lace Monitor is substantially heavier (6-14 kg vs 1.0–2.5 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 reptiles.
- Both belong to the Varanidae family.
- Both have a carnivore diet.
Differences
- Habitat: Forests and woodlands vs Freshwater rivers, billabongs, and wetlands.
- Conservation: Least Concern vs Near Threatened.
- Weight: 6-14 kg vs 1.0–2.5 kg.
Lace Monitor vs Merten’s Water Monitor: FAQ
Who would win in a fight, a Lace Monitor or a Merten’s Water Monitor?
Lace Monitor wins. Lace Monitor is substantially heavier (6-14 kg vs 1.0–2.5 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 Lace Monitor and a Merten’s Water Monitor?
Lace Monitor and Merten’s Water Monitor differ in several ways — habitat: forests and woodlands vs freshwater rivers, billabongs, and wetlands. conservation: least concern vs near threatened. weight: 6-14 kg vs 1.0–2.5 kg.
Do Lace Monitor and Merten’s Water Monitor live in the same habitat?
No — Lace Monitor lives in forests and woodlands, while Merten’s Water Monitor is found in freshwater rivers, billabongs, and wetlands.
What do Lace Monitor and Merten’s Water Monitor eat?
Both Lace Monitor and Merten’s Water Monitor have a carnivore diet.
Which is more endangered, the Lace Monitor or the Merten’s Water Monitor?
Lace Monitor is listed as Least Concern, while Merten’s Water Monitor is listed as Near Threatened.
How big are Lace Monitor and Merten’s Water Monitor?
Lace Monitor weighs around 6-14 kg, while Merten’s Water Monitor weighs around 1.0–2.5 kg.

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Lace Monitor

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Merten’s Water Monitor







