This medium to large python can be any were from 5-9’ based on the origin of the founding stock. The smallest specimens are found along the west coast and the largest specimens are found in the eastern portion of their range. This species is found along the northern third of Australia as well as a population that extends down along the coast from the Kimberley and into the Pilbara region of West Australia. Coloration like size varies across its range but all specimens have the Jet Black head that gives the species its common name. Background colors vary widely with white, brown, yellow-orange, or cream being fairly common. The contrasting bands appear in shades of Black, reddish-orange, and or dark brown. This species displays some very interesting behaviors along with a neat appearance making it highly sought after by python aficionados.