PMID- 30849586 OWN - NLM STAT- MEDLINE DCOM- 20190708 LR - 20191210 IS - 1873-6424 (Electronic) IS - 0269-7491 (Linking) VI - 248 DP - 2019 May TI - Trace metals and persistent organic pollutants contamination in batoids (Chondrichthyes: Batoidea): A systematic review. PG - 684-695 LID - S0269-7491(18)34235-0 [pii] LID - 10.1016/j.envpol.2019.02.070 [doi] AB - Batoids (Chondrichthyes: Batoidea; e.g. stingrays, skates, and guitarfish) comprise more than 55% of elasmobranch taxa and represent ecologically important predators in benthic and pelagic habitats. Although overexploitation and habitat degradation are the two biggest threats to batoid populations, coastal and oceanic pollution is also a pervasive potential threat. In this systematic review, we compile published scientific literature on trace metals and persistent organic pollutants (POPs) contamination in elasmobranch species of the Batoidea superorder and present contamination patterns, exposure effects, and potential human exposure risks to most reported contaminants. We found batoids to accumulate a wide range of trace metals, including mercury (Hg), arsenic (As), lead (Pb), copper (Cu), cadmium (Cd) and zinc (Zn). Accumulation of POPs is reported for chlordanes, dichlorodiphenyltrichloroethane (DDT), polychlorinated biphenyl (PCB), dieldrin, Heptachlor epoxide, hexachlorobenzene and perfluoroalkyl substances (PFAS). Hg levels in muscle tissue were significantly different among oceanic basins and habitats, consistent with previous global assessments of Hg oceanic background levels. Some batoid species presented Hg levels higher than large pelagic teleost fishes and comparable to sharks. Ecological traits such as, bottom feeding, upper trophic position and elasmobranch-specific physiology and metabolism are discussed as potential factors associated with Hg uptake and accumulation in batoids. Some species exceeded USEPA's maximum contamination safety limits in edible tissues for Hg, As and SigmaPCBs. For most trace metals and POPs, there is a lack of studies focusing on contamination levels in batoids. We recommend future research increasing reporting on POPs and trace metals besides Hg in batoids to further investigate the role of Elasmobranch as a bioindicator for marine pollution. CI - Copyright (c) 2019 Elsevier Ltd. All rights reserved. FAU - Bezerra, Moises F AU - Bezerra MF AD - Department of Biology, San Diego State University, San Diego, CA, 92182-4614, USA; Graduate Group in Ecology, University of California Davis, Davis, CA, 95616, USA. Electronic address: mfbezerra@ucdavis.edu. FAU - Lacerda, Luiz D AU - Lacerda LD AD - Instituto de Ciencias do Mar, Universidade Federal do Ceara, Fortaleza, CE, 60165-081, Brazil. Electronic address: ldrude@pq.cnpq.br. FAU - Lai, Chun-Ta AU - Lai CT AD - Department of Biology, San Diego State University, San Diego, CA, 92182-4614, USA. Electronic address: chun-ta.lai@sdsu.edu. LA - eng PT - Journal Article PT - Systematic Review DEP - 20190225 PL - England TA - Environ Pollut JT - Environmental pollution (Barking, Essex : 1987) JID - 8804476 RN - 0 (Environmental Biomarkers) RN - 0 (Hydrocarbons, Chlorinated) RN - 0 (Metals, Heavy) RN - 0 (Trace Elements) RN - 0 (Water Pollutants, Chemical) SB - IM MH - Animals MH - Ecosystem MH - Environmental Biomarkers MH - Environmental Monitoring/*methods MH - Humans MH - Hydrocarbons, Chlorinated/*analysis MH - Metals, Heavy/*analysis MH - Skates, Fish/*metabolism MH - Trace Elements/*analysis MH - Water Pollutants, Chemical/*analysis OTO - NOTNLM OT - Elasmobranch OT - Inorganic contaminants OT - Mercury OT - Organochlorine OT - Pollution EDAT- 2019/03/09 06:00 MHDA- 2019/07/10 06:00 CRDT- 2019/03/09 06:00 PHST- 2018/09/17 00:00 [received] PHST- 2019/02/09 00:00 [revised] PHST- 2019/02/21 00:00 [accepted] PHST- 2019/03/09 06:00 [pubmed] PHST- 2019/07/10 06:00 [medline] PHST- 2019/03/09 06:00 [entrez] AID - S0269-7491(18)34235-0 [pii] AID - 10.1016/j.envpol.2019.02.070 [doi] PST - ppublish SO - Environ Pollut. 2019 May;248:684-695. doi: 10.1016/j.envpol.2019.02.070. Epub 2019 Feb 25.