Polyspondylogobius sinensis

Polyspondylogobius sinensis is a species of goby native to the Pacific coast of China where it is only known to occur in marine and brackish waters in Guangdong and Guangxi provinces. This species occurs in shallow bays, around river mouths and in tide pools. This species grows to a length of 4.9 centimetres (1.9 in) SL. This species is the only known member of its genus.