Torat was a scientist from the Delta Quadrant. He was from a humanoid species of amphibian appearance. Their nostrils were located below their eyes and the skin around them inflated to signify emotion. Their ships were powered by a fluidic alloy that was difficult to find.
In 2375, when Captain Kathryn Janeway of the USS Voyager had agreed to transport a group of telepaths wanted by the Devore Imperium to shelter, she contacted Torat. An expert in wormholes, he provided Janeway with research on a randomly appearing wormhole. In return, Janeway provided him with mercurium isochromate to power his ship. By using Torat's information and calculations, Janeway was able to locate the wormhole's next appearance and transport the telepaths through it to safety. (VOY: "Counterpoint")