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Information Journal Paper

Title

CONCENTRATION OF MERCURY IN SELECTED TISSUES OF THE CASPIAN LAMPREY (CASPIOMYZON WAGNERI) MIGRANTS IN SPAWNING SEASON

Pages

  460-467

Abstract

 Background: Mercury (Hg) is considered a global pollutant because Hg0 which is the predominant form of atmospheric Hg resides in the atmosphere for as long as 0.5 to 2 years. Mercury has many negative effects on the reproductive, respiratory, and immune systems.Methods: In this study, 24 Caspian lampreys (Caspiomyzon wagneri) were transported to the university laboratory and then stored in -20oCuntil they were dissected. The liver, muscle, skin, ovaries, and testes were all dissected out. All samples were freeze-dried and ground by a mortar and pestle into powder. The specimens were analyzed by a Leco AMA254 mercury analyzer.Results: The order of mercury concentration in the lamprey tissues was as follows: Muscle>ovaries>liver>skin>testes. The mean values of mercury in muscle and testes were 192.25 ± 7.10 and 21.42 ± 1.48 Hg ng/g dry weight, respectively. There were no significant differences (N=24) between the sexes in the Hg level of most tissues except for gonads.Discussion: A comparison with some ammocoetes of jawless fishes shows a 10 times less concentration than other records. This difference probably is due to non-parasitic behavior and use of various sources of nutrition in other species.Conclusion: In comparison of other kind of sea lamprey, due to detritivore habits of Caspian lamprey on a very specific part of food web (non-live food only in the sea floor), the supposed species can introduce as a special indicator of mercury and heavy metal levels in the aquatic ecosystem.

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    APA: Copy

    JOORABIAN SHOOSHTARI, SHARIF, SHIROOD NAJAFI, MOJTABA, KHOSRAVI, NEDA, GHASEMPOURI, SEYED MAHMOUD, & ESMAILI SARI, ABBAS. (2011). CONCENTRATION OF MERCURY IN SELECTED TISSUES OF THE CASPIAN LAMPREY (CASPIOMYZON WAGNERI) MIGRANTS IN SPAWNING SEASON. IRANIAN JOURNAL OF TOXICOLOGY, 5(1-2 (12-13)), 460-467. SID. https://sid.ir/paper/324244/en

    Vancouver: Copy

    JOORABIAN SHOOSHTARI SHARIF, SHIROOD NAJAFI MOJTABA, KHOSRAVI NEDA, GHASEMPOURI SEYED MAHMOUD, ESMAILI SARI ABBAS. CONCENTRATION OF MERCURY IN SELECTED TISSUES OF THE CASPIAN LAMPREY (CASPIOMYZON WAGNERI) MIGRANTS IN SPAWNING SEASON. IRANIAN JOURNAL OF TOXICOLOGY[Internet]. 2011;5(1-2 (12-13)):460-467. Available from: https://sid.ir/paper/324244/en

    IEEE: Copy

    SHARIF JOORABIAN SHOOSHTARI, MOJTABA SHIROOD NAJAFI, NEDA KHOSRAVI, SEYED MAHMOUD GHASEMPOURI, and ABBAS ESMAILI SARI, “CONCENTRATION OF MERCURY IN SELECTED TISSUES OF THE CASPIAN LAMPREY (CASPIOMYZON WAGNERI) MIGRANTS IN SPAWNING SEASON,” IRANIAN JOURNAL OF TOXICOLOGY, vol. 5, no. 1-2 (12-13), pp. 460–467, 2011, [Online]. Available: https://sid.ir/paper/324244/en

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