Regime alimentaire du diagramme gris Plectorhynchus mediterranus (Guichenot, 1850), (poisson, Haemulidae) des cotes

Cheikhna   GANDEGA; Mamadou DIA; Mohamed GHORBEL

doi:10.71754/instm.bulletin.v36.608

Regime alimentaire du diagramme gris Plectorhynchus mediterranus (Guichenot, 1850), (poisson, Haemulidae) des cotes

Authors

Cheikhna GANDEGA Institut Mauritanien de Recherches Océanographiques et des Pêches - IMROP
Mamadou DIA Institut Mauritanien de Recherches Océanographiques et des Pêches - IMROP
Mohamed GHORBEL Université de Carthage. Institut National des Sciences et Technologie de la Mer - INSTM. Sfax

DOI:

https://doi.org/10.71754/instm.bulletin.v36.608

Keywords:

Diets, Food organisms, Feeding behaviour, Marine molluscs, Feeding experiments, Marine crustaceans, Seasonal variations, Isopoda, Haemulidae, Plectorhynchus, Decapoda, Amphipoda, Gastropoda, Chorda, Cephalopoda, Annelida, Marine, ASE, Mauritania

Abstract

The diet of Plectorhynchus mediterraneus, studied according to the seasons and to the length concerned 488 specimens of Lf varying from 17.2 to 42.1 cm. The annual coefficient of vacuity is 47.95%. This fish feeds principally on Crustacean Amphipoda and Isopoda. Decapoda, Bivalvs, Cephalopoda and Annelida are the complementary preys of the first order. Whereas, Gastropoda, Chorda, Fishes and Crabs constitute the complementary preys of the second order. Amphipoda remains the preferable food of this fish during all the seasons and whatever is the size of the fish.

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Published

2009-01-24

How to Cite

GANDEGA C, DIA M, GHORBEL M. Regime alimentaire du diagramme gris Plectorhynchus mediterranus (Guichenot, 1850), (poisson, Haemulidae) des cotes. Bull. Inst. Natl. Sci. Technol. Mer [Internet]. 2009 Jan. 24 [cited 2025 Apr. 30];36:31-8. Available from: https://www.instm-bulletin.tn/index.php/bulletin/article/view/608