Opisthonema medirastre Berry & Barrett, 1963 .

Middling Thread Herring. To 30 cm (11.8 in) TL (Jiménez Prado and Béarez 2004). Redondo Beach, southern California (Miller and Lea 1972) to Huacho, Peru (Chirichigno and Vélez 1998), including Gulf of California (Whitehead and Rodríguez-Sánchez in Fischer et al. 1995). Depth: surface (nightlight: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California), intertidal to 10 m (33 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Robertson and Allen 2008).