Sael II

Description of Site
Deep underground, where neither light nor transporters can penetrate, dwells a strange species of feline. These unusual cats have a usual habit - they collect shiny objects, including, notably, deposits of Seralium. The size of the deposits represents hundreds, even thousands, of years of collecting. Giant echolocating spiders inhabit the same deep tunnels as the Seralium-collecting felines. The cats take advantage of the spiders, building lairs near them and relying on them to intimidate would-be attackers. The mining colony uses a similar arrangement and convinces the cats to bring their shiny crystals to colony collection points by mimicking the vibrations and scents of the giant spiders to attract the cats. Discovered by the Seleya in 2321.Q2.M1.

Other Notes
But no one asked, what “would-be attackers” are the spiders guarding the cats from? Sael II has an ecosystem that would make a Yan-Ros smile indulgently, and the "mining colony” is mostly a fortified camp from which you do not venture without arms and armor. On the plus side, the cats have proven amenable to being tamed and there is even potential for domestication.