Full-grown adult Hutts were very large creatures, boasting a total body-weight as much as a metric ton. Perhaps unsurprisingly, they were often semi-sedentary, spending their days lounging lazily, and traveling on repulsorlift sleds or palanquins borne by teams of slaves. Most of their bulk rested in their bulging belly and thick, slug-like tail, adding to their impression of bloated corruption. In Hutt society, weight was equated with power and status, so thin Hutts were derided as weak and unworthy. In terms of physiology, the Hutts were known to be an anomaly as they possessed traits from many different species. Similar to sea mammals, their nostrils close and their large lungs allowed them to stay submerged underwater for hours at a time. The female Hutts possessed traits like marsupials as they bore their young one at a time who were nourished in a brood pouch in the body. They were also able to open their mouths to incredible lengths allowing them to swallow almost anything. Despite these many characteristics, they were generally classified as gastropods by scientists due to the slithering, slug-like manner of their movement. Their slimy hides were typically hairless though an exceptionally rare number were known to grow both locks and beards due to the presence of a recessive genetic trait. While this made them distinctive to non-Hutts, they were seen with distaste and considered a type of mutant among their race. In fact, a Hutt's thick, fatty hide hid a powerful musculature, allowing them to move with surprising speed on the single muscular "foot" formed by the base of their tail and belly. Their thick, sweaty skin and the heavy layer of fat beneath it served an evolutionary role, maintaining their body temperature. A Hutt's hide was sufficiently thick enough to take several blaster shots before vital organs were reached, permitting the Hutt ample time to pulverize would-be assassins who came unprepared to deal with such a fleshy obstacle. The slimy coating of sweat and mucus protected them from burns. Hutts were also indigestible, a feature that saved Zorba the Hutt from being eaten by the Sarlacc on Tatooine. They were also immune to many otherwise lethal chemicals, and could strike lethal blows with their tails. The Hutts were also completely immune to Force mind tricks, owing to a natural resistance possessed by the species. Although very rare, Hutts were able to be Force-sensitive. They had the ability to see ultraviolet light and other frequencies not seen by the Human eye. Often, wealthy Hutts lit their palaces in these spectra of light, giving intruders, or at least those without similar abilities or compensating equipment, a false sense of stealth. Hutt skin color varied; while Jabba the Hutt had green, oily skin, Durga the Hutt had orange, and Borvo the Hutt had blue. Throughout the years, Hutts have been known for having quite different skin colors from one another.