Jungle rancor The jungle rancor was a subspecies of the reptilian , semi - sentient rancor species native to the planet Felucia . Biology and appearance . An enormous subspecies of the reptilian , semi - sentient rancor species , jungle rancors had clearly defined shells and proportions resembling that of a turtle , with larger heads relative to the rest of their bodies . Orange and gray spines that ran along their bodies and the sides of their tongue s . They had brightly colored blue and gray skin , a pair of eye s with black pupils , brown irises , and yellow sclerae , beaked mouth s , and webbed hands and feet . Jungle rancors in the galaxy . Though native to the jungle s of the planet Felucia , where they lived in herds and co - existed in relative harmony with the local Felucian farmer s , jungle rancors could also be found on the planet Teth . In the year 22 BBY , a jungle rancor was held captive in an abandoned B ' omarr Order Monastery on Teth . During the Battle of Teth , Jedi Knight Anakin Skywalker and his Padawan Ahsoka Tano dueled Sith apprentice Asajj Ventress in the monastery ' s rancor pit . Skywalker ordered Tano to escape with Rotta , the son of Hutt crime lord Jabba Desilijic Tiure , who Ventress was attempting to retrieve to convince Jabba to side with the Confederacy of Independent Systems . However , as Tano opened a large door on the side of the room on her way out , she accidentally set the jungle rancor loose . Skywalker and Ventress leaped onto the creature ' s back and continued their duel , and the creature rounded on Tano and the Huttlet . Seeing this , Skywalker slashed at the rancor ' s back , causing it to violently buck . Tano attacked the rancor , stabbing it in the foot , and the rancor threw the two duelists from its back . The creature rounded on Tano ; however , as it leaned toward her , Tano brought up her lightsaber and drove the weapon into its nose . The rancor fell back in pain and sat on Ventress , allowing the Jedi to escape with the Huttlet . As Ventress ignited one of her lightsabers into the rancor ' s rear , the creature reared up and clung to the ceiling , freeing the Sith apprentice . In 21 BBY , Anakin Skywalker , Obi - Wan Kenobi , and Ahsoka Tano encountered a herd of jungle rancors on Felucia , which they were careful not to startle . Behind the scenes . The jungle rancor was originally developed for the , where it was set to appear in a scene set during the Battle of Teth where a dramatic lightsaber duel between Anakin Skywalker and Asajj Ventress was staged on top of it , though it was ultimately cut from the final film . Despite this , it eventually appeared in " Bounty Hunters , " the seventeenth episode of the canon animated series " " , which originally aired on April 2 , 2010 . The jungle rancor began as a cartoon version of the classic rancor from , but at Dave Filoni ' s suggestion , lead artist Kilian Plunkett gave it a horny shell , developing the creature into a new breed resembling , a - like . Plunkett brought in a to give Tim Brock , " The Clone Wars " lead texture artist , ideas for texture , so it would be similar to what you would see in nature . The had several names before jungle rancor was decided upon , including " snapper rancor , " " sea rancor , " " swamp rancor , " " ranc - turtle , " and " turt - ancor . "