Scopeloberyx robustus (Günther, 1887) .

Longjaw Bigscale. To 22 cm (8.7 in) SL (Porteiro et al. 2017). Circumglobal (Fricke et al. 2020); western Pacific Ocean north to Japan (Fujii in Masuda et al. 1984), Kuril Islands (Savinykh and Tuponogov 2004), and Sea of Okhotsk across subarctic North Pacific to Chile (Pequeño 1989). Mesopelagic and bathypelagic; depth: 500–4,500 m (1,640 –14,760 ft) (min.: Kamikawa 2016; max.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California); juveniles shallower, as shallow as 190 m (623 ft) (Personal communication: Los Angeles County Museum of Natural History Fish Collection, Los Angeles, California). The deepest record was based on the maximum depth fished by a bottom trawl and may represent a catch shallower than the maximum depth.