Symphurus prolatinaris Munroe, Nizinski, & Mahadeva, 1991. Halfstriped Tonguefish. To 17 cm (6.7 in) (Robertson and Allen 2008). Southern Baja California (about 24°19’N, 111°46’W) (Munroe et al. 1991) to central Peru (Munroe et al. 1991), including lower Gulf of California (Munroe et al. in Fischer et al. 1995). Benthic; depth: 9–162 m (30–531 ft) (Munroe et al. 1991).