The South Australian Island Horned Toad inhabits mountainous streams in humid subtropical evergreen broad-leaved forests at an altitude of 50-500 meters. It is commonly found on the forest floor, litter layer or nearby bushes.
The skin on the back of the toad is rough, scattered with small particles and tumor-like protrusions; there are large warts on the sides of the body; the angular protrusions on the outer edges of the eyelids are not obvious; the skin on the abdomen is smooth, with small warts on the throat and chest, the back of the abdomen and the ventral side of the thighs The warts are denser; the thymus is small and close to the axilla; there is a retrofemoral gland. The back is grey-brown or dark olive; there is an incomplete triangular spot between the eyes; there is an obvious black diagonal band on the forearm; there are black horizontal stripes on the back of the hind limbs; the snout is dark brown; there is a vertical dark brown stripe under the eye; the temporal fold The color is light; the throat, chest and front side of the abdomen are grey-brown, scattered with small white spots; the ventral surfaces of the limbs are grey-white, the palms, metatarsals and internal and external plantar processes are grey-white; the thymus and posterior femoral glands are white; the pupils are black and the iris is brown.
This wild animal is a national second-level protected wild animal.