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#1629 · 🦎 reptiles

Common Water Monitor

🇳🇱 Watervaraan ·Varanus salvator

LCleast concern 🦎 Reptiles 📍 outside Europe
Common Water Monitor, photo 1 of 10
1/10 © Stephen John Davies · CC BY-NC 4.0

what is it?

Varanus salvator , commonly known as the water monitor or common water monitor , is a large lizard native to South and Southeast Asia. Water monitors are one of the most common monitor lizards found throughout Asia. They range from Sri Lanka and coastal northeast India to Indochina, the Malay Peninsula, and various islands of Indonesia, living in areas close to water. The Asian water monitor was described by Laurenti in 1768 and is among the largest squamate...

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 31,127iNaturalist observations
  • weight 2.3 kgadult, up to
  • length 54 cmadult, up to
  • threat LCleast concern

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 31,127 observations worldwide on iNaturalist.
  • Weighs up to about 2.3 kg.
  • About 54 cm long.
  • Scientifically named by Josephus Nicolaus Laurenti in 1768 (258 years ago).

fact sheet

English
Common Water Monitor
Nederlands
Watervaraan
scientific name
Varanus salvator
class
Reptilia
order
Squamata
family
Varanidae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
31,127
GBIF records in NL
0
weight
2.3 kg
length
54 cm
lifespan
—
named
1768 by Josephus Nicolaus Laurenti

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Varanidae

Sources: iNaturalist taxon 114891, Wikidata Q655616, GBIF 2470685, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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