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Evaluation of the toxic metals, proximate composition and length–weight relationships of selected fish species from the Gadananathi River, Southern Tamil Nadu

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Abstract

The present study reveals toxic metals, proximate composition, and growth conditions in seven fish species, aiding their nutritional importance and conditions. The samples of seven different small indigenous fish species, including Xenentodon cancila, Glossogobious giuris, Pseudambassis ranga, Puntius dorsolis, Mystus vittatus, Dawkinsia filamentosa, and Dawkinsia tambraparaniei, were collected in river Gadananathi, Tamilnadu, India. A total 14 fish samples were analyzed for lead, cadmium, and copper using atomic absorption spectrometry. The standard procedures were used to determine the length–weight and proximate composition of the seven fishes. The findings revealed that the seven fish species had variable amounts of metal buildup. Cu levels were highest in D. tambraparniei gills and lowest in M. vittatus gills and livers; nonetheless, substantial amounts of Cu were found in P. dorsalis livers. In the length–weight correlations of the regression parameters of coefficient value r2, the “a” and “b” values revealed a positive allometric growth rate in all fish species except G. giuris and M. vittatus. However, X. cancila had the highest composition in the proximate analysis, while D. tambraparniei and D. filamentosa had the highest protein content mean value at a significant level (P ≤ 0.05). Overall, discrepancies in nutritional content might be related to species, environmental circumstances, fish age and size, and food availability.

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Acknowledgements

The authors are gratefully thanks to the authorities of Sri Paramakalyani Centre of Excellence in Environmental Sciences, Manonmaniam Sundaranar University at Alwarkurichi, Tirunelvlei, Tamil Nadu for providing facilities. This work was supported by the Researchers Supporting Project number (RSP2024R383), King Saud University, Riyadh, Saudi Arabia.

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Authors and Affiliations

  1. PG & Research Department of Biotechnology, Sri Vinayaga College of Arts & Science, Ulundurpet, Tamil Nadu, 606 107, India

    Sabaridasan Arumugam

  2. Department of Environmental Sciences, Sri Paramakalyani Centre of Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Ulundurpet, Tamil Nadu, 627 412, India

    Selvanayahi Sakthivadivel, Sharmila Syed Mohammad Ibrahim, Priyanga Murugan & Soranam Ramaiah

  3. Principal Scientist, Saraswathi Institute of Lifesciences, Tenkasi, Tamil Nadu, India

    Mariselvam Ramaiah

  4. Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia

    Arunachalam Chinnathambi & Sulaiman Ali Alharbi

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  1. Sabaridasan Arumugam
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Contributions

Sabaridasan Arumugam: Conceptualization; methodology; investigation; formal analysis; visualization; writing—original draft; writing—review and editing. Selvanayahi Sakthivadivel: Investigation; formal analysis; Writing—review and editing. Priyanga Murugan: Visualization; writing—review and editing. Sharmila Syed Mohammad Ibrahim: Methodology; Resources. Soranam Ramaiah: Conceptualization; visualization; writing—review and editing. Mariselvam Ramaiah: Formal analysis; Writing—review and editing. Arunachalam Chinnathambi: Writing—review and editing; visualization. Sulaiman Ali Alharbi: Formal analysis; Validation.

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Correspondence to Soranam Ramaiah.

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Arumugam, S., Sakthivadivel, S., Ibrahim, S.S.M. et al. Evaluation of the toxic metals, proximate composition and length–weight relationships of selected fish species from the Gadananathi River, Southern Tamil Nadu. Environ Monit Assess 196, 446 (2024). https://doi.org/10.1007/s10661-024-12600-7

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