Caspian Sea is the biggest enclosed body of water on Earth with the surface area of 371,000 km. It is considered as the largest lake on Earth which is located between Europe and Asia. Apart from having valuable natural resources such as oil and gas, being the habitat of the precious species of sturgeon and their yield roe or eggs that are processed into caviar, increases the importance of this lake. There are also various kinds of life from a large number of animals and aquatics to tiny benthic microorganisms. Benthic Foraminifera are one of these groups that can be used as valuable...