To date, sapientologists have cataloged over 180 sexes of X'dec, each being so different from the others that, when the great sapientologist Randamar Parl contacted the Xi'Dec, he thought he had discovered a world teeming with a multitude of intelligent species.
The most common Xi'Dec sex, the Xi'Alpha (commonly referred to as "Stictex"), comprises almost six percent of the population. Xi'Alpha have eight legs, any two of which they can stand upon while using the other six as arms and hands. A shiny carapace covers the back of the cylindrical Xi'Alpha bodies, and lacy wings project from slots in the carapaces. A dozen optic organs on short, prehensile stalks protrude from their heads, and six four-centimeter slits serve as olfactory openings, while articulated mandibles flank the jagged maws.
Xi'Dec are rare in the galaxy, and , due to the diversity of their appearances, are even more rarely identified as such. Occassionally, small (10-20 member) family units will be encountered, but it is not clear whether these groups are touring the galaxy, or searching for new sexes to add to their family unit. | 
