Asphyxians
Asphyxians are a fictional sapient species commonly depicted in science fiction. They are described as native to worlds with dense, high-pressure atmospheres and environments with reduced oxygen levels, where natural selection favors adaptations that maximize gas exchange efficiency and pressure tolerance.
Physiologically, Asphyxians are typically portrayed as humanoid in form but with specialized lungs and a network
Habitat stories place Asphyxians on large moonlets or the upper layers of gas giants, where settlements are
Society and culture portray Asphyxians as meritocratic and guild-based, prioritizing engineering, atmospheric science, and acoustics. Education
Technology and relations describe a focus on life-support systems, atmospheric processing, and advanced materials that resist