Branham, C.C. & Frazier, B.S. & Strange, J.B. & Galloway, A.S. & Adams, D.H. & Drymon, J.M. & Grubbs, R.D. & Portnoy, D.S. & Wells, R.J.D. & Sancho, G. (2022)
Diet of the bonnethead (Sphyrna tiburo) along the northern Gulf of Mexico and southeastern Atlantic coast of the United States. Animal Biodiversity and Conservation, 45(2), 257–267
DOI: 10.32800/abc.2022.45.0257
Dalrymple, K.M. & de Buron, I. & Hill-Spanik, K.M. & Galloway, A.S. & Barker, A. & Portnoy, D.S. & Frazier, B.S. & Boeger, W.A. (2022)
Hexabothriidae and Monocotylidae (Monogenoidea) from the gills of neonate hammerhead sharks (Sphyrnidae) Sphyrna gilberti, Sphyrna lewini and their hybrids from the western North Atlantic Ocean. Parasitology, 149(14), 1910–1927
DOI: 10.1017/s0031182022001007
Swift, D.G. & Portnoy, D.S. (2021)
Identification and Delineation of Essential Habitat for Elasmobranchs in Estuaries on the Texas Coast. Estuaries and Coasts, 44, 788–800
DOI: 10.1007/s12237-020-00797-y
Keller, B.A. & Putman, N.F. & Grubbs, R.D. & Portnoy, D.S. & Murphy, T.P. (2021)
Map-like use of Earth's magnetic field in sharks. Current Biology, 31 (13), 2881-2886.e3
DOI: 10.1016/j.cub.2021.03.103
Barker, A.M. & Frazier, B.S. & Adams, D.H. & Bedore, C.N. & Belcher, C.N. & Driggers, W.B. & Galloway, A.S. & Gelsleichter, J. & Grubbs, R.D. & Reyier, E.A. & Portnoy, D.S. (2021)
Distribution and relative abundance of scalloped (Sphyrna lewini) and Carolina (S. gilberti) hammerheads in the western North Atlantic Ocean. Fisheries Research, 242, Article 106039
DOI: 10.1016/j.fishres.2021.106039
Tinhan, T.C. & O'Leary, S.J. & Portnoy, D.S. & Rooker, J.R. & Gelpi, C.G. & Wells, R.J.D. (2020)
Natural tags identify nursery origin of a coastal elasmobranch Carcharhinus leucas. Journal of Applied Ecology, 57(2), 1222–1232
DOI: 10.1111/1365-2664.13627
Lyons, K. & Galloway, A.S. & Adams, D.H. & Reyier, E.A. & Barker, A.M. & Portnoy, D.S. & Frazier, B.S. (2020)
Maternal provisioning gives young-of-the-year Hammerheads a head start in early life. Marine Biology, 167(11), Article 157
DOI: 10.1007/s00227-020-03766-y
Barker, A.M. & Adams, D.H. & Driggers, W.B. & Frazier, B.S. & Portnoy, D.S. (2019)
Hybridization between sympatric hammerhead sharks in the western North Atlantic Ocean. Biology Letters, 15, Article 20190004
DOI: 10.1098/rsbl.2019.0004
Dimens, P.V. & Willis, S. & Grubbs, R.D. & Portnoy, D.S. (2019)
A genomic assessment of movement and gene flow around the South Florida vicariance zone in the migratory coastal blacknose shark, Carcharhinus acronotus. Marine Biology, 166(7), Article 86
DOI: 10.1007/s00227-019-3533-1
Driggers, W.B. & Campbell, M.D. & Hanisko, D.S. & Hannan, K.M. & Hoffmayer, E.R. & Jones, C.M. & Pollack, A.G. & Portnoy, D.S. (2018)
Distribution of angel sharks (Squatinidae) in United States waters of the western North Atlantic Ocean. Fishery Bulletin, 116(3–4), 337–347
DOI: 10.7755/FB.116.3-4.11
Barker, A.M. & Frazier, B.S. & Bethea, D.M. & Gold, J.R. & Portnoy, D.S. (2017)
Identification of young-of-the-year great hammerhead shark Sphyrna mokarran in northern Florida and South Carolina. Journal of Fish Biology, 91(2), 664–668
DOI: 10.1111/jfb.13356
Portnoy, D.S. & Hollenbeck, C.M. & Bethea, D.M. & Frazier, B.S. & Gelsleichter, J. & Gold, J.R. (2016)
Population structure, gene flow, and historical demography of a small coastal shark (Carcharhinus isodon) in US waters of the Western Atlantic Ocean. ICES Journal of Marine Science, 73(9), 2322–2332
DOI: 10.1093/icesjms/fsw098
Portnoy, D.S. & Puritz, J.B. & Hollenbeck, C.M. & Gelsleichter, J. & Chapman, D. & Gold, J.R. (2015)
Selection and sex-biased dispersal in a coastal shark: the influence of philopatry on adaptive variation. Molecular Ecology, 24(23), 5877–5885
DOI: 10.1111/mec.13441
Giresi, M.M. & Grubbs, R.D. & Portnoy, D.S. & Driggers, W.B. & Jones, L. & Gold, J.R. (2015)
Identification and Distribution of Morphologically Conserved Smoothhound Sharks in the Northern Gulf of Mexico. Transactions of the American Fisheries Society, 144(6), 1301–1310
DOI: 10.1080/00028487.2015.1069212
Portnoy, D.S. & Hollenbeck, C.M. & Johnston, J.S. & Casman, H.M. & Gold, J.R. (2014)
Parthenogenesis in a whitetip reef shark Triaenodon obesus involves a reduction in ploidy. Journal of Fish Biology, 85(2), 502–508
DOI: 10.1111/jfb.12415
Portnoy, D.S. & Hollenbeck, C.M. & Belcher, C.N. & Driggers, W.B. & Frazier, B.S. & Gelsleichter, J. & Grubbs, R.D. & Gold, J.R. (2014)
Contemporary population structure and post-glacial genetic demography in a migratory marine species, the blacknose shark, Carcharhinus acronotus. Molecular Ecology, 23(22), 5480–5495
DOI: 10.1111/mec.12954
Portnoy, D.S. & Heist, E.J. (2012)
Molecular markers: progress and prospects for understanding reproductive ecology in elasmobranchs. Journal of Fish Biology, 80(5), 1120–1140
DOI: 10.1111/j.1095-8649.2011.03206.x
Giresi, M. & Renshaw, M.A. & Portnoy, D.S. & Gold, J.R. (2012)
Isolation and characterization of microsatellite markers for the dusky smoothhound shark, Mustelus canis. Conservation Genetics Resources, 4(1), 101–104
DOI: 10.1007/s12686-011-9484-6
Giresi, M. & Renshaw, M.A. & Portnoy, D.S. & Gold, J.R. (2012)
Isolation and characterization of microsatellite markers for the blacknose shark, Carcharhinus acronotus. Conservation Genetics Resources, 4(1), 141–145
DOI: 10.1007/s12686-011-9494-4
Giresi, M. & Renshaw, M.A. & Portnoy, D.S. & Gold, J.R. (2012)
Development and characterization of microsatellite markers for the finetooth shark, Carcharhinus isodon. Conservation Genetics Resources, 4(3), 637–643
DOI: 10.1007/s12686-012-9611-z
Veríssimo, A. & Grubbs, R.D. & Mcdowell, J. & Musick, J.A. & Portnoy, D.S. (2011)
Frequency of multiple paternity in the spiny dogfish Squalus acanthias in the western north Atlantic. Journal of Heredity, 102(1), 88–93
DOI: 10.1093/jhered/esq084
Portnoy, D.S. (2010)
Molecular Insights into Elasmobranch Reproductive Behavior for Conservation and Management. In Carrier, J.C. & Musick, J.A. & Heithaus, M.R. (Eds) Sharks and Their Relatives II: Biodiversity, Adaptive Physiology, and Conservation. CRC Press, Boca Raton: 435–458
Portnoy, D.S. & Mcdowell, J.R. & Heist, E.J. & Musick, J.A. & Graves, J.E. (2010)
World phylogeography and male-mediated gene flow in the sandbar shark, Carcharhinus plumbeus. Molecular Ecology, 19(10), 1994–2010
DOI: 10.1111/j.1365-294X.2010.04626.x
Portnoy, D.S. & Mcdowell, J.R. & Mccandless, C.T. & Musick, J.A. & Graves, J.E. (2009)
Effective size closely approximates the census size in the heavily exploited western Atlantic population of the sandbar shark, Carcharhinus plumbeus. Conservation Genetics, 10(6), 1697–1705
DOI: 10.1007/s10592-008-9771-2
Portnoy, D.S. & Piercy, A.N. & Musick, J.A. & Burgess, G.H. & Graves, J.E. (2007)
Genetic polyandry and sexual conflict in the sandbar shark, Carcharhinus plumbeus, in the western North Atlantic and Gulf of Mexico. Molecular Ecology, 16(1), 187–197
DOI: 10.1111/j.1365-294X.2006.03138.x
Portnoy, D.S. & Mcdowell, J.R. & Thompson, K. & Musick, J.A. & Graves, J.E. (2006)
Isolation and characterization of five dinucleotide microsatellite loci in the sandbar shark, Carcharhinus plumbeus. Molecular Ecology Notes, 6(2), 431–433
DOI: 10.1111/j.1471-8286.2006.01261.x
Portnoy, D.S. (2005)
Detection of polyandry and reproductive periodicity in the sandbar shark, Carcharhinus plumbeus [Abstract]. American Elasmobranch Society 21th Annual Meeting, Tampa, Florida