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.
Caspian seal
Caspian seals are primarily piscivorous. They eat a variety of food depending on season and availability. A typical diet for Caspian seals found in the northern Caspian sea consists of crustaceans and various fish species, such as "Clupeonella engrauliformis", "C. grimmi", "C. delicate caspia", Gobiidae, "Rutilus rutilus caspicus", "Atherina mochon pontica", and "Lucioperca lucioperca". Caspian seal adults eat about of fish a day and almost a metric ton of fish per year.