Certonardoa semiregularis

Certonardoa semiregularis is a species of sea star in the family Ophidiasteridae. This species has five, slender, tapering arms. There are regular, longitudinal and transverse rows on the dorsal side. The ventral side is paler than the dorsal side. This species is found in the East China Sea, in Japan, in particular, Honshu Island, Kyushu.