"Comfort zone" is 35-124"F heat. The Drakarans evolved in desert lands: the function of their colorful scales is not so much armor as to reflect heat and retain moisture. They prefer warm dry conditions that approximate the anceslral steppes of their homeworld.
Instead of suffering the more severe penalties of One Eye. Their large eye gives a -2 when firing Snap Shots (or on Vision rolls to judge distances if the Drak docs not take a second to concentrate). There is no penalty when making Aimed attacks or in melee.