The Syrman goby (Ponticola syrman) is a species of goby native to marine, brackish and probably fresh waters of the Black Sea, the Sea of Azov and the Caspian Sea basins. They inhabit inshore waters with substrates composed of shell fragments, sand, mud or muddy sand. This species can reach a length of 24.5 centimetres (9.6 in) TL.[2]