Optivus

Optivus is a fish genus from the family Trachichthyidae found from near the surface to depths of 320 m in the southwest Pacific Ocean off Australia (O. agastos and O. agrammus) and New Zealand (O. elongatus).

Species
The currently recognized species in this genus are:
 * Optivus agastos M. F. Gomon, 2004 (violet roughy)
 * Optivus agrammus M. F. Gomon, 2004 (western roughy)
 * Optivus elongatus (Günther, 1859) (slender roughy)