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Accumulation of PBDEs and MeO-PBDEs in notothenioid fish from the South Shetland Islands, Antarctica: An interspecies comparative study
Rios, J.M.; Mammana, S.B.; Moreira, E.; Poma, G.; Malarvannan, G.; Barrera-Oro, E.; Covaci, A.; Ciocco, N.F.; Altamirano, J.C. (2021). Accumulation of PBDEs and MeO-PBDEs in notothenioid fish from the South Shetland Islands, Antarctica: An interspecies comparative study. Mar. Pollut. Bull. 168: 112453. https://dx.doi.org/10.1016/j.marpolbul.2021.112453
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, more
Peer reviewed article  
Available in  Authors 
Keywords
    Chaenocephalus aceratus (Lönnberg, 1906) [WoRMS]; Notothenioidei [WoRMS]; Nototheniops nudifrons (Lönnberg, 1905) [WoRMS]; Pisces [WoRMS]; Trematomus bernacchii Boulenger, 1902 [WoRMS]
    Marine/Coastal
Author keywords
    Antarctic fish; MeO-PBDEs; PBDEs; Notothenioidei; Species-specific accumulation
Authors  Top 
  • Rios, J.M.
  • Mammana, S.B.
  • Moreira, E.
  • Poma, G., more
  • Malarvannan, G., more
  • Barrera-Oro, E.
  • Covaci, A., more
  • Ciocco, N.F.
  • Altamirano, J.C.
Abstract
    Concentrations of polybrominated diphenyl ethers (PBDEs) and methoxylated polybrominated diphenyl ethers (MeO-PBDEs); are reported in specimens of fish notothenioids Chaenocephalus aceratus (SSI), Trematomus bernacchii (ERN), and Nototheniops nudifrons (NOD) from the South Shetland Islands, Antarctica. Significant differences in the accumulation of 2′-MeO-BDE-68 and 6-MeO-BDE-47 were detected among the analysed species. MeO-BDEs were significantly higher in SSI (11.7, 8.6, and 14.1 ng g−1 lw) than in NOD (1.63, 1.63, and 3.0 ng g−1 lw) in muscle, liver, and gill, respectively. Feeding ecology traits explain the accumulation patterns of MeO-PBDEs. SSI has a higher feeding activity with a broader diet, followed by ERN, whereas NOD is a benthic/sedentary fish with a narrower diet. The accumulation of PBDEs was neither species-, nor tissue-specific. The current study expands the knowledge concerning the accumulation of PBDEs and MeO-PBDEs in Antarctic marine fish and supports the importance of species-specificity in the accumulation of MeO-PBDEs.
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