Marsh Snake
Hemiaspis signata
Mildly Venomous
Other common names: Black-bellied Swamp Snake, Swamp Snake and Grass Snake
Species Profile
Marsh Snake
Significance to Humans
Mildly Venomous
Bites from the Marsh snake have been known to cause severe local symptoms, such as pain and swelling, with additional general reactions like headaches and nausea also recorded. Any bites should be treated immediately and attended to with the correct first aid.
General Description
The Marsh snake displays a fairly uniform brown, olive, or black colouration on its upper body, complemented by a dark grey or black belly surface. Notably, two prominent narrow pale-yellowish stripes can be observed on each side of its face, one running from the snout, through the eye, and onto the neck area, and the other below the eye, running from the snout to the corner of the mouth. In juveniles, the head often appears darker than the body. Scales are smooth. Midbody scales arranged in 17 rows.
Average Length
On average, the Marsh snake measures around 50cm, although larger specimens nearing 70cm have been encountered.
Habitat in SE Qld
Commonly found in rainforests and moist, well-vegetated areas, including wet sclerophyll forests, creek margins, dams, wetlands, and low-lying seasonally flooded regions.
General habits
Primarily diurnal, but it may also become active at night during hot weather. It seeks shelter under rocks, sheets of bark, and thick debris.
Diet
Primarily consists of small frogs and lizards.
Local distribution
The Marsh snake is typically found in “moister” suburbs, usually where riparian habitats are nearby.
Around the home
Around homes, the Marsh snake may be encountered in damp or moist gardens, seeking shelter under timber, sheets of iron, and foraging amidst thick vegetation. Exercise caution when handling or encountering this snake and be mindful of its potential presence in appropriate habitats nearby.
Marsh Snake Gallery
