Liasis – Water & olive pythons

A group of nonvenomous pythons found in Australasia, including Australia, New Guinea, and nearby islands. These snakes are known for their adaptability and wide range of habitats, which include rainforests, wetlands, savannas, and even arid regions. Members of this genus are generally medium to large in size, with some species, like the olive python (Liasis olivaceus), reaching lengths of over 4 meters (13 feet), making it one of the largest snakes in Australia.

One of the most recognized members of this genus is the water python (Liasis fuscus), which is often found near water sources such as rivers, swamps, and lagoons. This species is particularly notable for its iridescent scales that shimmer in the light, giving it a striking appearance. The genus also includes the Savu python (Liasis savuensis), a smaller and more localized species with a distinct copper-colored appearance as a juvenile, which darkens with age.

Liasis snakes are opportunistic predators, feeding on a wide variety of prey, including mammals, birds, reptiles, and even amphibians. Their strong constriction abilities allow them to subdue prey effectively, and their semi-aquatic nature in some species, such as the water python, enables them to hunt both on land and in water. These pythons are non-aggressive and generally avoid confrontations with humans, though they may bite defensively if threatened.

Behaviorally, Liasis pythons are typically nocturnal, though they may also be active during the day in cooler seasons. They are highly adaptable and can thrive in various ecosystems, which has contributed to their stable populations in most regions. However, some species face threats from habitat destruction, climate change, and human activities.