Family Urolophidae - round stingrays

These small to medium size rays have a tail about the length of the disc bearing a serrated spine or spines.. The caudal fin is well developed. All species are marine living on the bottom in relatively shallow water.

Round stingray- Urolophus halleri

Remarks: Rare in Humboldt Bay. Most common in southern California, where they may be potentially dangerous to bathers in the shallow waters.

Identification: A small, obviously round stingray. A long, slender sting is found at the base of the tail. Maximum length ia around 55cm.

Range: Panama north to Humboldt Bay, including the Gulf of California, usually more common from southern California.