Mertens’ Water Monitor
Common Name: Mertens’ Water Monitor
Scientific Name: Varanus mertensi
Names: Neptune, Nessi & Medusa
Locations: Whitby
Diet
Mertens Water Monitors are carnivorous reptiles and primarily feed on a varied diet of fish, crustaceans, insects, small mammals, birds, and carrion.
Average lifespan
In the wild, Mertens Water Monitors typically live around 10 to 15 years, though they can live longer in captivity with proper care.
Size
Mertens Water Monitors are medium to large-sized monitors. They typically grow to lengths of about 1.2 to 1.5 meters (4 to 5 feet), although some individuals may reach lengths of up to 2 meters (6.6 feet).
Weight
Adult Mertens Water Monitors can weigh anywhere from 5 to 15 kilograms (11 to 33 pounds), with males generally being larger and heavier than females.
About
Mertens Water Monitors are native to northern Australia and are found in a variety of habitats including freshwater rivers, streams, wetlands, and coastal areas. They are excellent swimmers and are often found near water bodies where they hunt for prey and bask in the sun.
Size and behavior
Mertens Water Monitors have streamlined bodies, powerful limbs, and long tails, which make them well-adapted for an aquatic lifestyle. They are highly active and agile both on land and in water, using their strong limbs and tail to propel themselves through the water with ease.
Diet and nutrition
Mertens Water Monitors have a diverse diet consisting mainly of fish, crustaceans, insects, small mammals, birds, and carrion. They are opportunistic hunters and will consume almost anything they can overpower. In captivity, it’s important to provide a varied diet that includes a mix of whole prey items and commercially available foods to ensure they receive the necessary nutrients for growth and overall health.
Conservation status
The conservation status of Mertens Water Monitors is currently of least concern. While they may face localized threats from habitat loss, pollution, and hunting in some areas, they are still relatively abundant in their native range. However, like many reptiles, they may be impacted by habitat destruction and human encroachment in certain regions.
Fun fact
Mertens Water Monitors are skilled climbers and are known for their ability to scale trees and rocky outcrops with ease. They are also highly intelligent and curious creatures, often investigating their surroundings and manipulating objects with their dexterous forelimbs. Additionally, Mertens Water Monitors have a unique way of thermoregulating, using both terrestrial and aquatic habitats to maintain their body temperature within an optimal range.
Call or visit your local Reptilia Facility to learn how you can adopt one of these amazing reptiles.
