Isatay Operating Company LLP has stocked the Zhaiyk river with young sturgeon species
The biological diversity of the Caspian Sea and its coastal area makes this region one of the most valuable ecosystems in the world. The Caspian Sea is home to 147 species of fish, 450 species or forms of phytoplankton, 87 species of algae, and 315 species of zooplankton.