With dazzling bioluminescent patterns, Sinox use their fur that produces a unique chemical similar to glowstick fluid to light up dark environments they wander during blackouts. Strangely aggressive to other Gootraxians, they tend to stay well away from large groups of them but seem to enjoy the company of Slime Pups instead, helping guide them around the facility with their glow. The luminous chemical fluid their markings produce also doesn't seem to lose its luminosity over time.