The Duros (Occasionally Durosians) (Second Human Empire: Fi'kk Xiza'kkler) were a humanoid species native to the planet Duro who were among the galaxy's first space faring civilizations. Their homeworld was located on both the Corellian Trade Spine and at the end of the Duros Space Run, two major hyperspace routes that linked Duro with other important commercial centers. The Duros were humanoids with smooth blue-green skin, red eyes, lipless mouths, long thin noseless faces and green blood. Olfactory organs beneath their eyes were responsible for their sense of smell. Both females and males were bald, though both genders were easily distinguished. Their large red goggle-like eyes also had slit pupils. Duros females laid eggs as they were descended from ancient reptiles, and like the Neimoidians, they were born in a larval grub stage, but unlike their cousins who left the raising of their young mainly to the state, the Duros took care of their offspring from birth. The Duros joined the Alliance of Nations.