In AO, trapars are not very abandunt in the atmosphere and have to be mined from Scub Coral remains. Ao utilizes his ability to see trapars to pilot the Nirvash Neo by following their flow. Also, the fact that the main difference between Ao and humans is his ability to see the Infrared and Ultraviolet spectrums; puts trapars somewhere in either of the two light spectrums (likely being in the Ultraviolet spectrum as it has a higher energy level than infrared.) Also in Eureka Seven: AO, it is revealed that trapar is a danger to the well-being of a Human-Coralian hybrid and is even fatal to the hybrid in dense quantities; seen when it was revealed that Renton and Eureka's daughter turned to stone and died three months after birth due to the Human and Coralian cells rejecting each other becaus