The Savalai hairtail, Lepturacanthus savala, also known as small-head hairtail, is a species of cutlassfish native to the Indian Ocean and into the west Pacific Ocean as far east as Australia. They inhabit deep waters at depths from 100m (300feet). The maximum length is 100cm (00inches), and weight reaches 11kg (24lb). The fish comes to the surface of the water at night to catch small fish, and crustaceans, especially prawns.