Shagilbayev A 1

1. Assessment of the fish diet of the Caspian seal (Pusa caspica Gmelin, 1788) during haul out periods on island sites: results, challenges, and perspectives
2. Assessment of the size distribution of the big-scale sand smelt (Atherina boyeri Risso, 1810) in the diet of the Caspian seal (Pusa caspica Gmellin, 1788) using fish otoliths from fecal samples
3. Determination of body length regression formulas for the golden grey mullet (Chelon auratus, Risso 1810) based on otoliths found in the feces of the Caspian Seal (Pusa caspica Gmelin, 1788)
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