Flagellostomias boureei (Zugmayer, 1913) .

Threadbeard Dragonfish. To 37.5 cm (14.6 in) SL (Roberts et al. 2015). Circumglobal; western Pacific Ocean north to Japan (Fujii in Masuda et al. 1984); off Point Conception (Berry and Perkins 1966) and southern California (32°18’N, 121°44’W) (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California) to southern Baja California (25°30’N, 116°W) (Parin and Scherbachev 1998). Depth: 0–1,825 m (5,986 ft) (min.: Porteiro et al. 2017; max.: Morrow and Gibbs 1964).