Crepusculan

The Crepusculans are a non-humanoid species from an unnamed world in the Alpha Quadrant that made its first appearance in Star Trek: Discovery.

Physiology
The Crepusculans possess six limbs, two which end in three tendrils. The Crepusculans young grew in eggs.

History
The Crepusculan were a primitive species, and were at near extinction, as their water supply was nearly depleted and were facing a sever drought. However the species may survive after intervention of the USS Shenzhou.

Source

 * Star Trek Discovery: The Vulcan Hello