Opistognathus rhomaleus Jordan & Gilbert, 1882 .

Giant Jawfish. To more than 50.8 cm (20.3 in) TL (Thomson et al. 1979). Bahía Ballenas, southern Baja California (Watson in Moser 1996) into northern Gulf of California to west Panama (Robertson and Allen 2008), and Islas Revillagigedo. Benthic; depth: 3–70 m (10–230 ft) (Robertson and Allen 2015). The correct date for the species name is 1882 (Eschmeyer 1998), not 1881 as seen elsewhere.