? Opisthonema bulleri (Regan, 1904) .

Slender Thread Herring. To 24 cm (9.4 in) TL (Robertson and Allen 2015). Several specimens taken south-east of Punta Abreojos, southern Baja California (Jason Masters, photographs to M.L., tentatively confirmed by Ross Robertson); Gulf of California to northern Peru (Robertson and Allen 2015) . Depth: intertidal to perhaps 10 m (33 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Robertson and Allen 2015).