Chaenophryne longiceps Regan, 1925 .

To 24.5 cm (10.0 in) SL (Pietsch 2009). Circumglobal; western Pacific Ocean north to northern Japan (Balanov et al. 2009); north of Clayoquot Canyon (49°03’N, 127°00’W), British Columbia (Weil et al. 2015) to Chile (23°29’S, 72°20’W) (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California). Depth: 84–1,174 m (276–3,852 ft) (min.: NWFSC-FRAM; max.: Stearn and Pietsch in Okamura et al. 1995), or perhaps to 1,800 m (5,904 ft) (Weil et al. 2015).