Microgobius cyclolepis Gilbert, 1890 .

Roundscale Goby. To 7 cm (2.8 in) TL (Robertson and Allen 2008). Punta Pequena (26°14’N, 112°32’W), southern Baja California (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California) to Colombia (Allen and Robertson 2015). Benthic; marine and brackish waters (Fricke et al. 2020); depth: 2–36 m (5–118 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California).