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Against the tide: Fish quickly adapt to lethal levels of pollution
![New Bedford Harbor in Massachusetts is contaminated with PCBs from decades of industrial pollution.](/news/mmg/media/images/NBH west shore_f.jpg)
New Bedford Harbor in Massachusetts is contaminated with PCBs from decades of industrial pollution.
Credit: Bryan Clark
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![This good killifish habitat near New Bedford Harbor is relatively devoid of chemical pollution.](/news/mmg/media/images/Sco_f.jpg)
This good killifish habitat near New Bedford Harbor is relatively devoid of chemical pollution.
Credit: Bryan Clark
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![The Atlantic killifish, subject of the researchers' study.](/news/mmg/media/images/Fheteroclitus_f.jpg)
The Atlantic killifish, subject of the researchers' study.
Credit: Andrew Whitehead
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![Virginia's Elizabeth River is contaminated with creosote, which contains toxic PAHs.](/news/mmg/media/images/ElizabethRiver_f.jpg)
Virginia's Elizabeth River is contaminated with creosote, which contains toxic PAHs.
Credit: Bryan Clark
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![The scientists collected fish in a minnow trap. A sheen from creosote contamination is visible.](/news/mmg/media/images/ElizabethRiver_MinnowTrap_f.jpg)
The scientists collected fish in a minnow trap. A sheen from creosote contamination is visible.
Credit: Bryan Clark
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![Killifish are raised in the lab for multiple generations and tested for tolerance to pollutants.](/news/mmg/media/images/AEDLab_f.jpg)
Killifish are raised in the lab for multiple generations and tested for tolerance to pollutants.
Credit: Bryan Clark
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