Squill
From Wookieepedia, the Star Wars wiki.
The squill was a large carnivorous creature native to the planet of Tatooine. The creature averaged 2.5 meters tall and often bore a greenish color to its leathery hide. The squills, with the exception of those in scattered nests, lived in the infamous Squill Cave, a large cavern located in the middle of the desert. The cave housed multiple different subspecies of squill, including desert squills, mountain squills, festering squills, noxious squills, and malignant squills.
The squills were an aggressive species and could easily outrun any Human. The cave attracted adventurers looking to clear the cave and recover the priceless hides. However, many bold mercenaries lost their way in the twisting tunnels of the cave and suffered painful deaths. Common rumors stated that an elderly hermit resided deep in the cave's recesses. There is also a group of squills in the desert region, Salma, on Endor.
