Varanus salvator, commonly known as the Asian water monitor, is one of the largest lizard species. It inhabits wetlands, rivers, and mangroves across Southeast Asia. This carnivorous reptile is known for its swimming prowess, long forked tongue, and ability to thrive in both aquatic and terrestrial environments.

Varanus salvator, commonly known as the water monitor, is native to South and Southeast Asia. Its geographical distribution includes countries such as India, Sri Lanka, Bangladesh, Myanmar, Thailand, Malaysia, Indonesia, Vietnam, and the Philippines. This species is also found on various islands in these regions.

Water monitors typically inhabit tropical and subtropical environments. They are commonly found in lowland forests, mangrove swamps, and wetlands. These environments are characterized by warm and humid climates with abundant water sources, which are crucial for the species' thermoregulation and hunting strategies.

Varanus salvator is an opportunistic carnivore and scavenger. It occupies a vital ecological niche as both a predator and scavenger, feeding on a wide variety of prey including fish, amphibians, birds, small mammals, and carrion. Its semi-aquatic nature allows it to exploit resources in both terrestrial and aquatic environments. The species is well-adapted to its habitat with strong swimming abilities and a robust physical form that allows it to navigate and thrive in diverse environments.