Tom Greig

NOAA/National Ocean Service, Center for Coastal Environmental Health and Biomolecular Research

Address: 219 Fort Johnson Road, Charleston, SC 29412
Phone: 843.460.9660


BS, 1991, Cornell University

Ph.D, 2000, University of South Carolina

Research Interests

  • Grass shrimp (Palaemon pugio) genomics/transcriptomics
  • The use of metagenomics in ecotoxicology 
  • The use of eDNA for environmental monitoring
  • Species delimitation of mesophotic octocoral

Current research projects

  • Genome sequencing of the grass shrimp (Palaemon pugio)
  • Development of a quantitative adverse outcome pathway for the quagga mussel  (Dreissena rostriformis bugensis) 
  • Species identification of northern Gulf of Mexico octocoral


  • Frometa, J.; Etnoyer, P.J.; Quattrini, A.M.; Herrera, S.; Greig, T.W. Genetic Divergence and Polyphyly in the Octocoral Genus Swiftia [Cnidaria: Octocorallia], Including a Species Impacted by the DWH Oil Spill. Diversity 2021, 13, 172.
  • Bangs M, Kenneth J. Oswald,  Thomas W. Greig,  Jean K. Leitner,  Daniel M. Rankin,  and Joseph M. Quattro.  2018.   Introgressive hybridization and species turnover in reservoirs: a case study involving endemic and invasive basses (Centrarchidae: Micropterus) in southeastern North America.  Conservation Genetics 19(1):57-69
  • Stacy A. Krueger‐Hadfield, Nicole M. Kollars,  Allan E. Strand,  James E. Byers, Sarah J. Shainker,  Ryuta Terada,  Thomas W. Greig,  Mareike Hammann,   David C. Murray,  Florian Weinberger, and Erik E. Sotka.  2017. Genetic identification of source and likely vector of a widespread marine invader.  Ecol Evol. 7(12): 4432–4447.
  • Stacy A Krueger-HadfieldNicole M KollarsJames E ByersThomas W GreigMareike HammannDavid C MurrayCourtney J MurrenAllan E StrandRyuta TeradaFlorian WeinbergerErik E Sotka.  2016.  Invasion of Novel Habitats Uncouples Haplo-Diplontic Life Cycles Mol Ecol.  25(16):3801-16.
  • Oswald KJ, Leitner J, Rankin D, Barwick DH, Freeman B, Greig T, Bangs M, Quattro J. 2015. Evolutionary genetic diversification, demography, and conservation of Bartram’s bass. In: Black Bass Diversity: Multidisciplinary Science for Conservation (eds Tringali MD, Long JM, Birdsong TW, Allen MS), pp. 601–614. American Fisheries Society, Symposium 82, Bethesda, Maryland.