Caspian Sea
The sea has a surface area of 371,000 km (143,200 sq mi) (not including the detached lagoon of Garabogazköl) and a volume of 78,200 km(18,800 cu mi). It has a salinity of approximately 1.2% (12 g/l), about a third of the salinity of most seawater.
Salmo ciscaucasicus
Salmo ciscaucasicus or the Caspian salmon is a salmonid fish endemic to the Caspian Sea and inflowing rivers . It was described in 1967 originally as a subspecies of "Salmo trutta". "S. ciscaucasicus" lives on the western shore of the lake from northern Azerbaijan to the Ural River, while the main breeding river is Terek. It lives at depths down to 50 metres. Males can reach a maximum standard length of 130 centimetres.