The Boslics were a non-aligned, spacefaring humanoid species. The Boslics had at least two distinct morphologies to their appearance. One type of Boslic had a smooth forehead and brow that brimmed slightly over the eyes, and meeting from both sides, together at the top of the nose. The second morphology type was characterized by ridged foreheads, wrinkled noses, and creased cheek bones.
During the 2370s, Boslic freighters frequently visited Deep Space 9. (DS9: "Babel") In 2372, a Boslic freighter was involved in a contraband smuggling operation uncovered by Klingon-turned-Bajoran officer Kurn. (DS9: "Sons of Mogh")
- ENT: "Borderland"
This species name, according to the scripts for "The Homecoming", "The Abandoned", and "Extreme Measures" was pronounced as "BOZ-lik". 
According to the novel Serpents Among the Ruins, the Boslic homeworld was named Cort, which the Romulans occupied for ten years.