"iucn3.1" . "NE" . . . "* Neogobius bathybius (Kessler, 1877)" . "Ponticola bathybius is a species of goby endemic to the Caspian Sea, where it occurs in depths down to 200 metres (660 ft). It is strictly confined to the brackish-water basin and does not enter fresh waters. It can grow up to a length of 25 centimetres (9.8 in) TL.The species was transferred to the genus Ponticola from Neogobius on the basis of relationship revealed in molecular investigations."@en . . "Ponticola bathybius"@en . . . . . . "* Gobius bathybius (Kessler, 1877)" . . . . "* Chasar bathybius (Kessler, 1877)" .