Recent Publications


  • Near, T.J., J.C. Porterfield and L.M. Page. 2000. Evolution of cytochrome b and the molecular systematics of Ammocrypta (Percidae: Etheostomatinae). Copeia 2000(3):701-711.

  • Steinberg, R., L.M. Page and J.C. Porterfield. 2000. Spawning behavior of the harlequin darter, Etheostoma histrio (Osteichthyes: Percidae). Ichthyological Exploration of Freshwaters 11:141-148.

  • Porterfield, J.C., L.M. Page and T.J. Near. 1999. Phylogenetic relationships among fantail darters (Percidae: Etheostoma: Catonotus): Total evidence analysis of morphological and molecular data. Copeia 1999:551-564.

  • Porterfield, J.C. 1998. Comparison of spawning behaviors of snubnose darters (Percidae) in natural and laboratory environments. Environmental Biology of Fishes 53(4):413-419.

  • Porterfield, J.C. 1997. Separation of spawning microhabitat in two species of snubnose darters, Etheostoma flavum and E. simoterum (Teleostei, Percidae). Transactions of the Kentucky Academy of Science 58(1):8-12.

  • Smith, G., J. Rosenfield and J. Porterfield. 1995. Processes of origin and criteria for preservation of fish species. American Fisheries Society Symposium 17:44-57.


    Professional Presentations & Invited Seminars

  • Porterfield, J.C. “Evolution of reproductive characters in snubnose darters (Percidae)” Department of Fisheries, Wildlife, and Conservation Biology Seminar Series, U of Minnesota. 2002.

  • Porterfield, J.C. “Math modeling in biology” for St. Olaf math modeling course (MAT 290) at Biosphere 2 Center, Oracle, AZ. 2002.

  • Chernoff, B.C. and J.C. Porterfield. “Phylogenetic relationships and biogeography of the subgenus Eurystole (Atherinella, Atherinopsidae)” American Society of Ichthyologists and Herpetologists, La Paz, Mexico. 2000.

  • Porterfield, J.C. “Phylogenetic relationships among fantail darters (Percidae: Etheostoma: Catonotus)” American Society of Ichthyologists and Herpetologists, College Station, Pennsylvania. 1999.

  • Porterfield, J.C. “Phylogenetic relationships of snubnose darters (Percidae) and the evolution of male breeding color” Kentucky Academy of Science, Louisville, Kentucky. 1998.

  • Porterfield, J.C. “Phylogenetic relationships of snubnose darters (Percidae) and the evolution of male breeding color” American Society of Ichthyologists and Herpetologists, Guelph, Ontario. 1998.

  • Near, T.J., J.C. Porterfield and L.M. Page. “Phylogenetic relationships of the Percidae (Teleostei) and the recognition of Ammocrypta as a distinct genus: Inferences from complete cytochrome b sequences” American Society of Ichthyologists and Herpetologists, Seattle, Washington. 1997.

  • Porterfield, J.C., L.M. Page and T.J. Near. "Phylogenetic relationships among the species groups of Catonotus (Teleostei, Percidae) inferred from DNA sequences" American Society of Ichthyologists and Herpetologists, Seattle, Washington (poster presentation). 1997.

  • Porterfield, J.C. "A molecular perspective on basal relationships of snubnose darters (Teleostei, Percidae)" American Society of Ichthyologists and Herpetologists, Seattle, Washington. 1997.

  • Porterfield, J.C. “The use of underwater video in studies of sexual selection in fishes” Eastern Kentucky University Graduate Seminar Series, Richmond, KY. 1997.