English: Round stingray; Haller's round ray; Little round stingray.
Region: coastal waters of the eastern Pacific Ocean.
ZoologyUrobatis halleri is a small, common ray that feeds mostly on benthic invertebrates. On the beaches of southern California, it is responsible for numerous injuries to bathers, who are stung when they accidentally step on the fish. The wound caused by its venomous spine can be painful, but is non-fatal.