A Tygarian male
The Tygarians are an Alpha Quadrant species. In 2370, they were one of the first to explore the Gamma Quadrant.
Li Nalas attempted to disguise himself as a crewmember of the Tygarian freighter Nanut. He was discovered by first officer Romah Doek, who promptly reported him to Benjamin Sisko. (DS9: "The Homecoming")