Varanus salvator macromaculatus, a subspecies of the water monitor, is native to Southeast Asia. It thrives in mangroves, swamps, and near rivers. Distinguished by its large size, it can grow up to 3 meters. Its diet is diverse, including fish, birds, and carrion. This monitor is an adept swimmer and climber, often seen basking in the sun.

Varanus salvator macromaculatus, commonly known as the Malayan water monitor, is native to Southeast Asia. It is predominantly found in countries such as Thailand, Malaysia, Indonesia, Singapore, and the Philippines.

The Malayan water monitor typically inhabits tropical and subtropical regions characterized by warm and humid climates. It is often found in lowland areas, close to water bodies such as rivers, lakes, and swamps, which provide necessary resources for its aquatic lifestyle.

This subspecies of water monitor is an opportunistic carnivore and scavenger. It plays a crucial role in its ecosystem by helping to control populations of small animals and cleaning up carrion. Its adaptability allows it to thrive in both natural and urban environments, where it often comes into contact with human populations.