Reptiles Most Australian reptiles live on land but some are aquatic animals.photo_cameraOpen description A pale-headed snake (hoplocephalus bitorquatus) sticks out its tongue in Pilliga West State Forest closeClose descriptionImage Credit: Jake Hansen/DCCEEW Freshwater turtles Freshwater turtles are reptiles with hard shells that protect them from predators. They spend most of their life in the water, only coming on land to migrate between water bodies or to nest. east Snakes Australia has around 140 species of land snake and 32 recorded species of sea snake.east