Terebra hoaraui is a species of sea snail, a marine gastropod mollusc in the family Terebridae, the auger snails. These snails are known for their long, slender shells that look like tiny drills or augers. Terebra hoaraui is a marine species, meaning it lives in the ocean. It was first described by French scientist Bratcher in 1981. Just like other auger snails, it is a carnivorous species, usually preying on small marine worms by injecting venom through a specialised tooth.