The slender roughy (''Optivus elongatus'') is a fish of the family Trachichthyidae. Until 2004 when two new species were described, the slender roughy was believed to be the only species in the genus ''

Optivus ''Optivus'' is a fish genus from the family Trachichthyidae found from near the surface to depths of in the southwest Pacific Ocean off Australia (''O. agastos'' and ''O. agrammus'') and New Zealand New Zealand ( mi, Aotearoa ) is an ...

''. The slender roughy is found in the southwestern

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

around

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...

at depths between . Its length is up to standard length or overall total length.Roberts, C.D., Stewart, A.L. and Struthers, C.D. (eds.) 2015. The Fishes of New Zealand. Te Papa Press, Wellington. 2008 p. ol. 1: S1-S256; vol. 2: 1-576; vol. 3: 577-1152; vol. 4: 1153-1748/ref>

References

Optivus Fish described in 1859 Taxa named by Albert Günther {{Beryciformes-stub