Gigantactis microdontis Bertelsen, Pietsch, & Lavenberg, 1981 .

To 31 cm (12.2 in) SL (Pietsch 2009). Western Pacific (Prokofiev and Pietsch 2019); Oregon (43°31’N, 124°54’W) (Personal communication: University of Washington, Burke Museum of Natural History and Culture Fish Collection, Seattle, Washington) to southern California (Bertelsen et al. 1981); Isla Guadalupe, central Baja California (Personal communication: Los Angeles County Museum of Natural History Fish Collection, Los Angeles, California); Peru (Bertelsen et al. 1981) . Mesopelagic to bathypelagic; depth: taken in open nets fished above 1,200 m (3,937 ft) (Bertelsen et al. 1981).