Their vaguely humanoid-shaped bodies' surfaces are porous, peppered with large holes, to the extent that there's about 1/4 to 1/3 of their outsides that isn't technically 'surface' but empty space leading in. The cavities interconnect inside in a...
Aliens, Insects, Xenomorphology
Tarsials live on a planet with deep, wide oceans, a fairly porous soil and dense forests of towering arboreal life, the circumstances of which make the redundancies built into their sleek, aerodynamic physiology uniquely adapted to.
Tarsials have...
Aliens, Fins, Hybrid, Plant, Wings, Worm, Xenomorphology