Symphurus williamsi Jordan & Culver, 1895 .

Williams’ Tonguefish or Yellow Tonguefish. To 11.9 cm (4.7 in) SL (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California). Bahía Santa Maria (24°41.3’N, 112°10.4’W), southern Baja California (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California) to northern Peru (Chirichigno and Vélez 1998), and Gulf of California (Munroe et al. in Fischer et al. 1995). Benthic; marine and brackish waters (Fricke et al. 2020); depth: 0.6–118 m (2–387 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Vargas et al. 2020).