ISSN: 0973-7510

E-ISSN: 2581-690X

Mohamed Afifi1,2* , Ali Alkaladi1, Osama AbuZinada1, Nabil Zaki Zahed1 and Michel Couderchet3

1Department of Biological Sciences, Faculty of Science, King Abdulaziz University, PO Box 11508, Jeddah, 21463, Saudi Arabia.
2Department of Biochemistry, Faculty of Veterinary Science, Zagazig University, Egypt.
3Unité de Recherche Vigne et Vin de Champagne – EA 4067, Université of Reims Champagne-Ardenne, France.
J. Pure Appl. Microbiol. 2014, 8(6):4407-4414
© The Author(s). 2014
Received: 18/09/2014 | Accepted: 25/11/2014 | Published: 31/12/2014
Abstract

The present study investigated the metal pollution bio-indicators in red sea marine organisms at six sites at Jeddah and Yanbu coastal area. Tow fish species (Siganus canaliculatus and Epinephelis morio), one crustacean species (Panulirus homarus) and one mollusca species (Donax trunculus) were used to monitor the bio-indicators of  Zn, Cr, Cd, Pb and As pollution in the Red Sea water. The concentration of Zn, Cr, Cd, Pb and As were determined in water, sediment, fish tissues (skin, gills, liver and muscle) and muscular tissue of Panulirus homarus and Donax trunculus. The results indicated that, the concentrations of the studied metals were high in water, sediment and marine animal’s tissues that were collected from Jeddah coastal areas. The highest concentration of metals was in the muscle tissue of mollusca, crustacean and finally fish species. The animal tissue metal levels were dependent on their water and sediment levels. The present study concluded that, significant spatial variations in metal contents among species and between tissues of each species were observed. These variations might be due to variation of species, location, and feeding habits. The study also shows that, molluscs are the best bio-indicators for metal pollution, then crustacean and finally fish species.

Keywords

Metal pollution, Bio-indicators, Marine organisms

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