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Feeding habits of the common two banded sea bream, diplodus vulgaris (geoffroy saint-hilaire, 1817) (teleostei: sparidae) in ain el-ghazala, Eastern Libya.

Hamad EL-Maremie*, Sarah Ali Abdalnabi, Mohammad El-Mor

Abstract


The feeding habits of 500 specimens of Diplodus vulgaris (family: Sparidae), inhabiting Ain El-Ghazala Lagoon, were studied monthly from September 2013 till August 2014. The annual diet composition, monthly variations in the diet composition, the variations of diet with length and the intensity of feeding were studied. Diplodus vulgaris feed on a wide variety of prey types: crustaceans) 33.5%), polychaetes (20.5%), green algae (20.1%), mollusks (6.1%), foraminifers (2.7%) and sediments (17.1%). The crustaceans, polychaetes, green algae, were the major food item all year round and it was found in all length groups. In the present study crustaceans, green algae and sediments increased as the size increased while polycheates, mollusks and foraminifers decreased as the fish size increased. The feeding intensity was quite high during the autumn and spring.

Keywords


Feeding habits; Diplodus vulgaris; eastern coast; Mediterranean Sea; Libya

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References


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DOI: http://dx.doi.org/10.21746/ijbio.2015.06.003

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