Heavy Metal Levels in Fish, Molluscs, and Crustacea From Turkish Seas and Potential Risk of Human Health

Journal of Anatolian Environmental and Animal Sciences

Öztekin

et al. 2018

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Many chemicals especially heavy metals that are exist in fish are essential for human life at low amounts, but can be toxic at high amounts. Other chemicals such as Hg, As, Cd and Pb have not any essential function in biota and are toxic even at very low amounts when ingested for a long period. The aim of this review is to compare and evaluate heavy metal levels in commercial fish species from the Arabian Sea and coastline in other seas. In this review, Mackerels, Tunas and Bonitos species, the most commercial of Scombridae family, were chosen. The state of the metal pollution levels of these fishes is revealed under the light of the literature. The chemicals, some of which are the most important heavy metals such as Zn, Fe, Cu, Pb, Cd, Hg, As, Cr and Mn were chosen and their amounts in commercial fish were evaluated.Most of studies showed that essential metals in fish species are much high, but the quantities of non-essential metals in edible tissues of fish are found to be less. This review has shown that fish are used as bio-monitoring in heavy metal pollution. It is suggested that such investigations should be continuous in terms of both human health and determination of metal pollution of our coasts.Öz: Özellikle balıklarda bulunan birçok kimyasal madde, düşük miktarlarda insan yaşamı için çok önemlidir, ancak yüksek miktarlarda zehirli olabilir. Hg, As, Cd ve Pb gibi diğer kimyasalların canlıda önemli bir işlevi yoktur ve uzun bir süre çok düşük miktarlarda bile gıda yoluyla alınırsa zehirlidir. Bu derlemenin amacı özellikle Arap Denizi ve diğer denizlerdeki kıyı şeridinden yakalanan ticari balık türlerindeki ağır metal seviyelerini karşılaştırmak ve değerlendirmektir. Bu derlemede, Scombridae ailesinin en ticari balıkları olan uskumru, tonbalığı ve palamut türleri seçilmiştir. Bu balıkların metal kirlilik düzeylerinin durumu, literatür ışığında ortaya konulmuştur. Zn, Fe, Cu, Pb, Cd, Hg, As, Cr ve Mn gibi en önemli ağır metaller olan kimyasallar seçilmiş ve ticari balıklardaki miktarları değerlendirilmiştir.Çalışmaların çoğu, balık türlerindeki gerekli metallerin çok yüksek, ancak balıkların yenilebilir dokularındaki gerekli olmayan metallerin miktarlarının daha az olduğu bulunmuştur. Bu derleme balıkların ağır metal kirliliğinde biyo-izleme olarak kullanıldığını göstermiştir. Bu tür araştırmaların hem insan sağlığı hem de kıyılarımızdaki metal kirliliğinin belirlenmesi açısından sürekli olması önerilmektedir.Anahtar sözcükler: Ağır metal, ton ve uskumru balıkları

Section: Studies On Heavy Metals In Fish Mainly Tuna and Mackerelmentioning

confidence: 99%

A Review on Studies of Heavy Metal Determination in Mackerel and Tuna (Family-Scombridae) Fishes

Ahmed¹,

Journal of Anatolian Environmental and Animal Sciences

Öztekin

et al. 2018

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“…Most of the modern techniques operated in the monitoring of seawater and sediment require timeconsuming and large-volume sampling, this demands substantial effort and cost unavoidable increases (Phillips & Rainbow, 1998). Marine organisms have been known to accumulate significant amounts of heavy metals in their tissues (Bat & Arıcı, 2018). Biological indicator species are studied to determine the metal pollution of the sea coasts (Bat et al, 1998(Bat et al, -1999aGazioğlu 2018).…”

Section: Introductionmentioning

confidence: 99%

Heavy Metals Analysis of the Limpet Cellana Karachiensis (Winckworth 1930) from Two Rocky Shores of the Karachi Coasts of Pakistan

Zafar

International Journal of Environment and Geoinformatics

Mehmood

et al. 2020

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In current years, observing the concentration of heavy metals in marine biota has received much awareness as the public are more aware about the healthy environment and food. Intensity of these metals in a huge range of finfish and shellfish would give baseline information for some of the toxic metals. In the present investigation an attempt has been made to study the presence and concentration of some heavy metals in the true limpet Cellana karachiensis a gastropod mollusk which is abundantly found at the intertidal to high tidal zones of different rocky shores of Sind and Baluchistan coasts of Pakistan. In the present study two distinct anthropogenic dynamic rocky shores i.e., Clifton and Mubarak village of Karachi coast was selected to analyse the heavy metals in soft tissues of C. karachiensis which accept as a good bio-indicator mollusk to observe heavy metal pollution awareness. The concentration of zinc (Zn), chrome (Cr), copper (Cu), lead (Pb) and cadmium (Cd) in the soft tissue of the limpet C. karachiensis from two rocky shores in the Karachi coast has been measured by Atomic Absorption Spectrometer (A Analyst 700) for monitoring metal contamination of samples. Accumulation of Zn was found highest followed by Cr, Cu, Pb and Cd in the months of July and August 2019 in Clifton shores. While at the same period the highest concentration was Zn followed by Cu, Cd, Cr and Pb at Mubarak village shore. It has been observed that, C. karachiensis at Clifton shore accumulated more than heavy metals that found at Mubarak village shore. The pattern of accumulation of Heavy metals at both sites of limpets did not exhibit much difference. ANOVA single factor and student t test was done for the statistical analysis of metal contents in soft tissues of C. karachiensis of both shores at (p<0.01) and observed statistically significant differences in the amounts of the Cu, Cd and Zn elements among the limpets of both rocky shores. Same as the significant result at p<0.01 and p<0.05 was observed in between the length size of limpets at Clifton and Mubarak Village rocky shores. Correlation studies carried out for the metal concentrations in limpet and shell length of the animal which did not show significant results except Cu at Mubarak village shore. The results were compared with previous studies and discussed.

“…Pollution of the Black Sea by chemicals such as heavy metals has been recognized as one of the major factors threat to the survival of biota especially benthic invertebrates (Bat, 2005;Bat and Arici, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…Consequently, managing the origins of contamination of water and sediment in the marine ecosystem is the solution for aquatic organisms' protection. Benthic organisms have been widely used in biomonitoring of the aquatic environment where they live and assessment of safe levels of heavy metals (Bat, 2005;Bat and Arici, 2018). Therefore, sediment quality is a good indicator of pollution in water column, where it inclines to be accumulated in the heavy metals.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Assessment of Heavy Metals Pollution in Water and Sediments and Polychaetes in Sinop Shores of The Black Sea

Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi

Şahin

Öztekin

2019

Self Cite

In this study four Polychaetes species namely Capitella capitata, Nereis zonata, Platynereis dumerilii and Perinereis cultrifera were selected to evaluate metal pollution in Karakum shores of Sinop Peninsula in the southern Black Sea. The Hg, Cd, Pb, Cu and Zn amounts in water, sediment as well as their existence in Polychaetes were studied to appraise the anthropogenic impact on their environment. Metals concentrations in water were found in the following order: Zn > Cu > Pb > Cd > Hg, whereas the order of abundance of these metals in sediments were as follow Zn > Cu > Pb > Hg >Cd. There were no differences in heavy metal levels in sediment between seasons. The concentration of metals analysed in the Polychaete species showed same pattern. Zn showed the highest concentration in all species followed by Cu. The results showed that the heavy metal levels in C. capitata were much higher than those in N. zonata, P. dumerilii and P. cultrifera.