Different biological forms of Chalcalburnus chalcoides, which is called Sharnaya in Russian and Saphidcooly in Persian, are distributed in the Caspian Sea, Aral Sea and Black Sea, The saphidcooly which live in the Caspian Sea scattered in the southern and western regions. and enter the Kura and Terek Rivers in the northern coast fur spawning (Berg. 1965). The Anzali lagoon Saphidcooly is smaller in size cornparad with the Kura's population, but the results of this survey indicate that after maturation, The Anzali lagoon Saphidcooly show greater growth than the Kuras population. the migration for spawning to Anzali lagoon commences in March with slow run, and reaches the peak in May and the beginning of June......
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