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Heavy metal content in coral reef-associated fish collected from the central Red Sea, Saudi Arabia

   | Jul 07, 2022

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Figure 1

Map showing the fish sample collection area
Map showing the fish sample collection area

Figure 2

Concentrations of metals (μg g-1 ww) in fish species collected from the Red Sea: a) copper, b) lead, c) manganese. Error bars indicate the SD of the mean (n = 3).
Concentrations of metals (μg g-1 ww) in fish species collected from the Red Sea: a) copper, b) lead, c) manganese. Error bars indicate the SD of the mean (n = 3).

Figure 3

Estimated daily intake (EDI) of the marine fishes collected in this study.
Estimated daily intake (EDI) of the marine fishes collected in this study.

Comparison of concentration of heavy metals in fish collected from the Red Sea and other regions (all values are in μg g-1 wet weight).

Study area Sampling year Sample type Hg Cu Pb Mn Reference
Jeddah, Central Red Sea, Saudi Arabia 2019 muscle ***-0.005 0.137-0.183 0.016-0.03 0.052-0.064 present study
Jazan, Red Sea, Saudi Arabia -- muscle -- -- 0.15-0.38 0.07-0.12 Idris et al. 2015
Jeddah, Red Sea, Saudi Arabia -- muscle -- -- 1.03-3.40 -- Ali et al. 2011a
Red Sea, Egypt 2010-2011 muscle -- 0.17-0.77 0.21-0.88 0.1-0.93 El-Moselhy et al. 2014
Red Sea, Egypt -- whole fish -- -- 0.05-1.30 -- Emra et al. 1993
Gulf of Aqaba, Red Sea -- whole fish -- -- 4.80 1.63 Abu Hilal and Ismail, 2008.
Gadani ship breaking area, Pakistan, Arabian Sea -- muscle -- -- 1.15-4.04 1.3-10.59 Kakar et al. 2020
Iskenderun Bay, Turkey 2016 muscle 0.019 -- 0.096 0.149 Kaya and Turkoglu, 2017
Aliaga Bay, Mediterranean Sea 2014 muscle -- 0.3 0.08 -- Pazi et al. 2017
Gaza fishing harbor, Mediterranean Sea 2013-2014 muscle -- 3.01-17.47 0.73-3.24 0.26-1.26 Zaqoot et al. 2017
Corsica Island, Mediterranean Sea 2012 muscle -- 0.349 0.084 0.072 Gobert et al. 2017
Southeast coast of India, Indian Ocean 2010-2011 muscle 0.24 4.56 0.22 0.35 Thiyagarajan et al. 2012.
U.A.E coast, Arabian Gulf 2018 whole fish 0.04-0.18 1.2-24 -- -- Alizada et al. 2020

List of fish species collected in this study along with size and feeding habits. Feeding behavior and habitat details were retrieved from fishbase (https://www.fishbase.de/search.php).

Species name Size (length, cm) Feeding behavior habitat
Lethrinus mahsena 22.66 ± 1.75 carnivorous coral reefs, seagrass
Acanthurus gahhm 31.3 ± 0.60 omnivorous reefs
Siganus rivulatus 21.6 ± 0.79 herbivorous coral reefs, other subtidal hard and soft substrates
Scarus ferrugineus 32.6 ± 1.35 herbivorous coral reefs
Hipposcarus harid 24.36 ± 0.70 herbivorous coral reefs

One-way ANOVA results for the concentration of copper, lead and manganese in fish samples collected in this study.

Metal Source of variation df MS F P
  between species 4 0.001 1.174 0.378
copper within species 10 0.000    
  Total 14      
  between species 4 0.000 2.948 0.075
lead within species 10 0.000    
  Total 14      
  between species 4 0.000 0.851 0.524
manganese within species 10 0.000    
  Total 14      
eISSN:
1897-3191
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Chemistry, other, Geosciences, Life Sciences