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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.
Credit: Bryan Clark
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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.
Credit: Andrew Whitehead
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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.
Credit: Bryan Clark
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Killifish are raised in the lab for multiple generations and tested for tolerance to pollutants.
Credit: Bryan Clark
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