Quietula y-cauda (Jenkins & Evermann, 1889). Shadow Goby. To 7 cm (2.8 in) TL (Miller and Lea 1972). Morro Bay, central California to Gulf of California (Miller and Lea 1972). Benthic; marine and brackish waters (Fricke et al. 2020); depth: intertidal to 6 m (20 ft) (min.: Allen 1999; max.: Robertson and Allen 2002).