ACKNOWLEDGEMENTS

This research was made possible by grants from the Gulf of Mexico Research Initiative (GRI-013 and GoMRI2012-II-523), the National Science Foundation (OCE-0315995 and NSF (2010)-PFUND-214), the Louisiana Board of Regents (ENH_2008–09) and by University of Louisiana at Lafayette Doctoral Fellowships to B.Y. and T.S. Special thanks to the Louisiana Department of Wildlife and Fisheries, the Army Corps of Engineers, the University of New Orleans, the Louisiana Universities Marine Consortium (LUMCON), the National Marine Fisheries Service, and the Texas Parks and Wildlife Department for assistance with sampling. We are grateful for sample collections provided by Mary Kay Fox and Chris Weidman at Waquoit Bay National Estuarine Research Reserve, Fred Scharf at University of North Carolina Wilmington, Kyle Spiller at Texas Parks and Wildlife Department, and Matt Watkins and Shannon Martin at Florida Fish and Wildlife Conservation Commission. Samples from the University of Louisiana at Lafayette Zoological Collection were kindly provided by Darryl Felder. We also thank Rachel Sullivan and Eric Dean for assistance with collecting. We thank Thomas Schultz Division at the Duke University Nicholas School of the Environment for making available to a draft genome sequence of the blue crab. We thank the DNA Technologies Core, and especially Siranoosh Ashtari, for help with the Infinium Assay genotyping.