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Analysis of Mercury Heavy Metal Content in Snakehead, Tilapia and Catfish from Taliwang Lake Khairuddin, Khairuddin; Yamin, M.; Kusmiyati, Kusmiyati; Sedijani, Prapti
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.12582

Abstract

Research on heavy metals in fish is essential. This study aimed to determine the levels of the heavy metal mercury (Hg) in Snakehead (Channa striata), Catfish (Clarias batrachus), and Mozambique Tilapia (Oreochromis mosambicus) sampled from Lake Taliwang. The study is particularly valuable for protecting consumers from heavy metal contamination associated with fish consumption. The research was conducted at Lake Taliwang, West Sumbawa, with two observation stations established: one in the eastern section and one in the western section of the lake. The three fish species were caught using gill nets, with four samples collected for each species at each station. Each fish sample was placed in a plastic bag and stored in a sample storage box. The samples were subsequently analyzed at the West Nusa Tenggara Health Testing and Calibration Laboratory. Data analysis involved extracting fish muscle tissue and determining Hg content using a Mercury Analyzer. The wet digestion stage of the sample preparation process involved decomposing organic matter within the samples using strong acids specifically HNO3 and H2O2 as digesting agents. The data obtained represent Hg levels in mg/kg or ppm (parts per million). The final step involved descriptive processing of the obtained Hg concentrations and presenting the results in tabular form, based on the Mercury Analyzer findings. The study concluded that the Hg content in Snakehead (Channa striata), Catfish (Clarias batrachus), and Mozambique Tilapia (Oreochromis mosambicus) from Lake Taliwang ranged from 0.04 to 0.09 mg/kg.
Co-Authors A. Abrar, A. A. Wahab Jufri Abdillah, Nisya Ade Andriyan Agus Muliadi agustina dewi Aldoni, Muhammad Ali Imran Andra Ade Riyanto Anna Ujainah, Anna Annisa Amalia Arby, Muhammad Aryani, Dewi Aslimah, S. Asyikin, Farah Baiq Saskia Aulia Budiawati, Isnan Juni Bukhari Bukhari C. SUMANTRI Cleopas Martin Rumende D. A. Astuti Darnius, Said Desi Ratnasari DESSY ADRIANI Desy Anggraini DIDIK SANTOSO Dindi Paizer dos Santos, Adelia C. Gonzaga Dwi Wulan Sari E. Andreas Elisa Wildayana Faranita, Ayu Fauzi Fauzi Firdausia, Rizka Firdausia Fitri, Aida Gita Mulyasari Gito Hadiprayitno Gunawan Gunawan H. Nuraini Hakim, Alifman Hamka Hamka, Hamka Harahap, Haniza Rahayu Hardianti, Baiq Sri Widia Harfina Suharis Fiana Hasan, M. R. A. Hasbudiana, Anisa Hasniyati, Hasniyati Hearttiana, Shendy Hidayat, Aris Teguh Husin, M. I Wayan Merta I Wayan Mertha I. Inounu Ilhamdi, M. Liwa Ilhamdi, Mohammad Liwa Intan Safiah Iskandar, Sutarmo Israin, Nadhyla Laily Izzudin, Muhammad Jakaria Jakaria Jamaluddin Jamaluddin Jamaluddin JAMALUDIN Jatnika, A. R. Junaidi, Yulian K Khairuddin Khairuddin Khairuddin - khusnul khotimah Kiswanto, Logi kurnia febriani, kurnia Kusmiyati Kusmiyati , Kusmiyati Kusmiyati Kusmiyati L. Abdullah Liani, Lisna Linda Vitoria, Linda Lisa, Khaira Lisnawati, Andi Lubis, Fahmi Chairurozika Ma'ani, A. Maghfirah, Ira Maheshwari, H. Mahfudz, Idsan Lauhil Mardiya, Siti Maria Naibaho, Netty Mauliza, Deli Miftahul Jannah Mislinawati, Mislinawati Monawati Monawati, Monawati Muhakka Muhakka Muhammad Arbi Muhlis Muhlis Mulyana, Andi Munadi Munadi Murthi, I Wayan Aditya Arya Mustamin Mustamin Muthmainnah, Hayatul Muyana, Eka Nabila, Wulan Nabilah Nabilah Nabilatussujaah, Aliefina Nadia, Yenny Ni Luh Putu Pebri Artayani . Nisha Azzura Khaer Nur Lestari Nuraya, Sopi Nurmasyitah Nurmasyitah Nurvalentini, Nurvalentini Nurwahdania, Nurwahdania Ono Syamyono Pardilla, Ria Pebrianti, Hasita Permatasari, Tri Lintang PRAPTI SEDIJANI, PRAPTI Putri, Hestiani Putri, Nurilla Elsya Putri, Nurilla Elysa R. Priyanto Rahman, Mujibu Rahmat, Joni Ramadhani, Citra Suci Ratnasari, Devi Ritonga, Utan Sahiro RR. Ella Evrita Hestiandari Rubiyatna Sakaroni Rudito Rudito S. Rahayu, S. Sakaroni, Rubiyatna Salwa Nur Sapiatun Nakjah Shavira, Nadia Sinaga, Ria Agustina Siti Rahma Soedirman, Soedirman Soenarno, M. S. Sriati Sriati, Sriati Suci Fitriani, Suci Suci Mulyati Sukarso, Aa Sukarso, AA. Sulaiman Sulaiman Sumayyah, Hani Susanti, Tere Adi Sutarto Sutarto Syamsul Bahri Syauqi, Anis Sylvia, Putri Diana Taufik Marwa, Taufik Taufik Samsuri Tertiarto, Tertiarto Umizakiah, K. Victoria, Linda Wardani, Heny Wirdasni, Dian Yunita Yunita yusliana, yusliana Zarkasy, M. Rozi Zuhra, Diana