Urotrygon chilensis (Günther, 1872) .

Blotched Stingray or Chilean Round Ray. To at least 41.9 cm (16.5 in) TL (McEachran in Fischer et al. 1995), and perhaps to 33 cm (13 in) DW (Bizzarro et al. 2009). Bahía Magdalena, southern Baja California (De La Cruz-Agüero et al. 1994) to Chile (Chirichigno and Vélez 1998), including Gulf of California (McEachran in Fischer et al. 1995). Benthic; depth: 1–60 m (3–197 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Robertson and Allen 2002). Ehemann et al. (2021) note that this species may be limited to the Southern Hemisphere and that specimens taken in the Northern Hemisphere may represent another species.