Ship: It is usually a migratory fish that comes to the shores of Iran by spawning and lays eggs in the Caspian Sea rivers. It has a lifespan equivalent to 30 years, is light weight, and benefits from a small number. From the point of view of value, it ranks fourth. With a length of more than 1 meter and a light weight, it matures between the ages of ten and 14 and reaches the age of laying eggs.​​​​​​