Inari

The Inari are a Human sub-species who come from the volcanic planet Inaris in the Triangulum Galaxy

Biology
The Inari are nearly indistinguishable from their Human cousins, their main distinguishing feature is their boney head ridges which hide extra nerve sensors, they are made for survival in volcanic environments and low-light environments, due to their lower amount genetic modifications, they can still interbreed with standard Humans.

History
The Inari where one of the three major post-Human species before the Fall, after the Fall, the Inari where wooed by a mysterious purple boy with a tail, which lead to a civil war which wiped out half of their population, it devastated their economy and forced them to illegally sell Ammonium Phosphate, which to Pyrians is a heavily addictive narcotic, they didn't have any contact with even one remnant of the Commonwealth until the appearance of the long lost starship Andromeda Ascendant and the reveal of their dealings during a small semi-conflict with the Pyrians.