June 4, 2013 – Gulf of Mexico Research Initiative

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Gulf killifish usually hatch within 10-14 days in the lab; however, embryos exposed to sediments from heavily oiled sites showed delayed hatching or failed to hatch within 21 days. This representative image of an un-hatched Gulf killifish embryo at 21 days post-fertilization appears underdeveloped, having characteristic features of PAH exposure such as cardiac edema. (Image provided by Benjamin Dubansky

Study Links Negative Biological Impacts to Oil-Exposed Killifish

Scientists from Louisiana State University, University of California-Davis, and Clemson University, studying Deepwater Horizon impacts on killifish from oiled Louisiana estuaries…