Microlophichthys microlophus (Regan, 1925) .

To 11.3 cm (4.4 in) SL (Poulsen 2019). Circumglobal; well off southern California (32°00’N, 136°12’W) (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California). Mesopelagic and bathypelagic; depth: taken as deep as 2,200 m (7,216 ft) or more (Pietsch 2009), and perhaps to 4,000 m (13,123 ft) (Moore et al. 2003).