Submitter Withdrawn Society of Environmental Toxicology and Chemistry Australasia 2023

Accumulation profiles of halogenated organic compounds in the living fossil fish of Indonesian coelacanth (Latimeria menadoensis) (#103)

Dede Falahudin 1 2 , Frensly Demianus Hukom 2 , Zainal Arifin 2 , Diham Dirhamsyah 2 , Teguh Peristiwady 2 , Agus Sudaryanto 3 , Masamitsu Iwata 4 , Anh Quoc Hoang 5 , Isao Watanabe 6 , Shin Takahashi 6
  1. The United Graduate School of Agricultural Sciences (UGAS), Ehime University, Matsuyama, Ehime, Japan
  2. Research Center for Oceanography, National Research and Innovation Agency (BRIN), Jakarta, DKI Jakarta, Indonesia
  3. Research Center for Environment and Clean Technology, National Research and Innovation Agency (BRIN), Tangerang, Banten, Indonesia
  4. Aquamarine Fukushima, Marine Science Museum, Iwaki, Fukushima, Japan
  5. Faculty of Chemistry, University of Science, Vietnam National University, Hanoi, Vietnam
  6. Center of Advanced Technology for the Environment (CATE), Graduate School of Agriculture, Ehime University, Matsuyama, Ehime, Japan

This study investigated the tissue-specific accumulation and profiles of halogenated organic compounds (HOCs), including polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), and other brominated flame retardants, in different tissues of the Indonesian coelacanth (Latimeria menadoensis) incidentally caught around Gangga Island, North Sulawesi Province, Indonesia, on November 5, 2014. We observed that the accumulation of PCBs was higher than that of PBDEs and other BFRs in all tissue samples with concentrations between 300 and 2600,  3.9–6.3, and 1.1–3.6 ng g−1 lipid weight, respectively. The properties of the individual congeners, metabolic capacity, lipid class proportion, and lipid mobilization between tissue compartments may be key factors in the profiling of HOCs. Toxic equivalent (TEQ) values of dioxin-like PCBs in coelacanth tissues were lower than the benchmark values for early life fish. Overall, this study provides preliminary data on HOCs accumulation in Indonesian coelacanths, which could be useful for future research on their habitats and other Indonesian deep-sea fish.

  1. Falahudin, D., Hukom, F.D., Arifin, Z. et al. First insight into accumulation of characteristics and tissue distribution of PCBs, PBDEs, and other BFRs in the living Indonesian coelacanth (Latimeria menadoensis). Environ Sci Pollut Res 30, 49368–49380 (2023). https://doi.org/10.1007/s11356-023-25716-z