Koas

The Koa were a sentient species resembling spiders with tentacles on their head. They had shrunk there world and placed it in a pyramid to escape their home system and travel to Federation space. The planet's original size was restored in the Mu Arae system with the help of the U.S.S. da Vinci. (CoE: Small World)

The joined the Federation in 2360. Caliph Sicarios became their first councilor. (Articles of the Federation)