Ponticola bathybius

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.

Ponticola bathybius

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.