Notarius planiceps (Jordan & Gilbert, 1882). Thicklip Sea Catfish. To at least 35 cm (13.8 in) TL (Robertson and Allen 2015). Southern Baja California to Colombia, not in Gulf of California (Robertson and Allen 2015). Marine, brackish, and fresh waters (Fricke et al. 2020); depth: 0–60 m (197 ft) (Robertson and Allen 2015).