The Srivani are a race of humanoids native to the Delta Quadrant.
In 2374, the USS Voyager encountered a group of Srivani scientists that were performing scientific experiments on the Voyager crew without their knowledge. (VOY episode: "Scientific Method", VOY - Section 31 novel: Shadow)
In 2376, Julian Bashir listed the Srivani, along with the Hirogen, Species 8472 and the Vaadwaur, as species native to the Delta Quadrant that could be a potential threat to the Federation. Bashir had been studying information gathered by the Pathfinder Project. (DS9 - Section 31 novel: Abyss)