Round Stingray

Haller's Round Ray

Urobatis Halleri

The California round ray is circular, flat, and has a short thick tail that ends with a venomous spine used for defense. Like many bottom-dwelling rays, they have eyes positioned on the top of their head, allowing them to watch for predators while remaining partially buried in the sand. Just behind the eyes are their spiracles, which are specialized openings that help them breathe by pulling water in from above while their mouth rests on the seafloor. Their gills are located on the underside of the body, protected from debris as they glide over sandy habitats. The dorsal side (top) is typically brown or tan with darker spots while their underside is a softer white color where their mouth is located. The California round ray primarily feeds on benthic invertebrates such as worms, crustaceans, and small mollusks. Reproduction happens through aplacental viviparity which involves internal fertilization and the birth of live young. They reach sexual maturity at just over two years. They have a high rate of reproduction which makes them abundant here on the California coast.

Round ray also known as urobatis halleri