The Tuchanq are Quadruped/biped humanoids with short torsos and elongated skull and limbs. Their skeletal and muscular systems alter according to difference in weight distribution between the two positions. When on all fours, knees slide toward the belly and elbows point toward the knees. With arms and legs the same length, a Tuchanq is level with the ground on two or four limbs. Their long muscular limb give them the ability to leap as high as two meters. Their height ranges from two meters to three and a half meters when bipedal. The Tuchanq metabolic rate is very high, giving them an emaciated appearance. Sexual organs are not pronounced. Skin coloration ranges from bright canary yellow to dark brown. Tuchanq have abdominal pouches.