The Diet Composition and Seasonal Variation in Preys Items of Two Species of Mackerel Trachurus Trachurus (Linneaus, 1758) & Trachurus Mediterraneus (Steindachner, 1868) in The South of Mediterranean Sea (Western Coast of Libya). JMSET 2021, 7 (2), A 1-10. https://doi.org/10.59743/jmset.v7i2.4.