Rilken

The Rilkens are a sapient species that appear in S.L. Viehl's Stardoc Series.

Biology
The Rilkens are half a meter tall aliens with viscous skins.

Culture
A few appear to work as mercenaries or go between with the Hsktskt.

Source

 * Stardoc (Stardoc #1) by S.L. Viehl
 * 'Stardoc (Stardoc #3) by S.L. Viehl