Rhencus macracanthus (Günther, 1864) .

Bigspine Grunt or Longspine Grunt. To 46.4 cm (18.3 in) TL (Hernández-Padilla et al. 2020). Boca Soledad (25°23’N, 112°06’W), southern Baja California (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California) to Ecuador (Béarez 1996), including Gulf of California (Robertson and Allen 2002). Marine, brackish, and fresh waters (Fricke et al. 2020); depth: 0–59 m (192 ft) (min.: Robertson and Allen 2002; max.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California). We follow Tavera et al. (2018) in moving Pomadasys macracanthus (Günther, 1864) to the genus Rhencus .