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Health defects found in fish exposed to Deepwater Horizon oil spill
Date:5/1/2013

ed Gulf killifish from an oiled site at Isle Grande Terre, La., and monitored them for measures of exposure to crude oil. They also exposed killifish embryos in the lab to sediment collected from oiled sites at Isle Grande Terre within Barataria Bay in Louisiana.

Whitehead said the report's findings may predict longer-term impacts to killifish populations. However, oil from the Deepwater Horizon spill showed up in patches, rather than coating the coastline. That means some killifish could have been hit hard by the spill while others were less impacted.

Whitehead said it is possible that some of the healthier, less impacted killifish could buffer the effects of the spill for the population as a whole.

The research was supported by grants from the National Science Foundation, the Gulf of Mexico Research Initiative and the National Institutes of Health.

The other researchers in the study are lead author Benjamin Dubansky, who recently earned his Ph.D. from Louisiana State University; Fernando Galvez, associate professor of biological sciences at LSU; and Charles D. Rice, professor of biological sciences at Clemson University in Clemson, South Carolina. The researchers have tracked the impact of the oil on killifish since the Deepwater Horizon spill occurred in April 2010.


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Contact: Andrew Whitehead
awhitehead@ucdavis.edu
530-754-8982
University of California - Davis
Source:Eurekalert

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