It may weigh 200 pounds. They possess a pelvic girdle and vestigial limbs. Both lungs are functional. Pythons have a supra-orbital bone and premaxillary teeth. The teeth, which may number over 100, are recurved, long and sharp.
Body is slender with black lines edged with yellow crossing the dark brown ground color.
A narrow black line extends from the snout to the neck. Immediately after shedding, this snake has a blue iridescent sheen. Behavior Pythons are equally at home in the trees, water, or on the ground. They are usually solitary and generally nocturnal, but it is not uncommon to find them abroad during the day. Usually most active in the evening or at night.