Water monitor
For the Australian species with a similar common name, see Mertens' Water Monitor
Mertens' Water Monitor
Mertens’ Water Monitor , often misspelled Merten’s Water Monitor, is a member of the monitor lizard family found in northern Australia, and is a wide-ranging, active foraging, opportunistic predator of aquatic and riparian habitats. It is named after German herpetologist Robert...


The Water monitor, (Varanus salvator) is a large species of monitor lizard
Monitor lizard
Monitor lizards are usually large reptiles, although some can be as small as in length. They have long necks, powerful tails and claws, and well-developed limbs. Most species are terrestrial, but arboreal and semiaquatic monitors are also known...

 capable of growing to 3.21 metres (10.5 ft) in length, with the average size of most adults at 1.5 metres (4.9 ft) long. Maximum weight of Varanus salvator can be over 25 kilograms (55.1 lb), but most are half that size.