Urobatis halleri (Cooper, 1863) .

Round Ray or Round Stingray. To 58 cm (22 in) TL (Eschmeyer and Herald 1983), 33 cm (13.1 in) DW (Lyons and Lowe 2013). Humboldt Bay, northern California (Miller and Lea 1972) to Panama (Lyons et al. 2015), and possibly Peru (Robertson and Allen 2015), including Gulf of California (McEachran in Fischer et al. 1995). Benthic; depth: 0.3–91 m (1–298 ft) (min.; M.L., pers. obs.; max.: Ebert 2003). Recently as Urolophus halleri Cooper, 1863 .