Common Water Monitor

Varanus salvator

The Common Water Monitor is a big lizard that loves to swim! It has a long tail and can be found near rivers and lakes. These lizards are great at catching fish and other tasty treats in the water.

Habitat: Wetlands

Appearance

The Common Water Monitor is a large lizard with a long, powerful body, typically dark grey to black with yellow or cream spots. It has a long snout, strong limbs, and a muscular tail, distinguishing it from other terrestrial monitors by its more streamlined, aquatic build.

KingdomAnimaliaPhylumChordataClassSquamataOrderLacertiliaFamilyVaranidaeGenusVaranus

Common Water Monitor

Interesting facts

Common Water Monitors are excellent at playing dead when they feel threatened!

Some have been observed to eat venomous snakes, showing incredible resilience!

Their blood circulation is super efficient, helping them stay active even in hot weather.

They are among the largest lizards in the world, often mistaken for small crocodiles.

Special abilities

Common Water Monitors can hold their breath for extended periods, which helps them hunt fish and other aquatic prey.

Common Water Monitors have a powerful, whip-like tail that helps them swim, balance, and defend against threats.

Common Water Monitors use their forked tongue to 'smell' the air, helping them locate prey from a distance.

Common Water Monitors have strong claws that help them climb trees to bask in the sun or escape from predators.

Measurements & details

Length: 150-250 cm
Weight: 5-20 kg
Lifespan: 10-15 years
Top Speed: 15 km/h
Swim Speed: 10 km/h
Clutch Size: 15-30
Incubation: 120-180 days
Maximum Depth: 20 m

Diet & Feeding

These powerful predators eat almost anything they can catch, from fish to birds and even other reptiles!

Primary Foods

Fish
Frogs
Birds
Eggs
Rodents
Carrion

Foraging Method

Ambush

Ecological connections

hunts

Brown Rat

Rattus norvegicus

A common prey item, especially in urban areas.

eaten by

Saltwater Crocodile

Crocodylus porosus

Juvenile monitors are prey for larger crocodilians.

Traits

Webbed Feet

Characterized by having toes connected by a membrane, typically aiding in swimming.

Solitary

Solitary animals live alone for most of their lives, only interacting with others for mating or parental care.

Arboreal

Arboreal animals live primarily in trees, utilizing them for shelter, food, and protection from predators.

Piscivorous

Piscivorous organisms are animals that primarily subsist on a diet of fish.

Ambush Predator

An ambush predator hunts by patiently waiting and concealing itself, then launching a sudden attack when unsuspecting prey comes within range.

Wetland

This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.