Shivolian
The Shivolians were a  species native to the Delta Quadrant. At some point the Borg encountered this species, who they designated as Species 521.

A female member of this species visited the starship  when it was docked at a Markonian outpost in 2376. Naomi Wildman pointed her out to Seven of Nine while they were in Voyagers mess hall. ()

Appendices

Appearances

Background information 
Comparing other scenes, the female in the mess hall can be seen to be a modification of the Voth make-up. This make-up can be seen in both red and green.

ja:シヴォリアン
nl:Shivolian
de:Shivolianer
Species