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Journal Articles - Peer-reviewed

(*Graduate student as lead author)

  1.  *Peterson, C.T., R.D. Grubbs, Mickle, A. In press. Trophic ecology of elasmobranch and teleost fishes in a large subtropical seagrass ecosystem (Florida Big Bend) determined by stable isotope analysis. Environmental Biology of Fishes
  2.  *Peterson, C.T., R.D. Grubbs. 2020. Distribution and abundance of elasmobranchs and large teleost fishes in a subtropical seagrass ecosystem: community structure along environmental and spatial gradients. Environmental Biology of Fishes, 103: 319-338pp.1-20.
  3. Shiffman, D.S., Ajemian, M.J., Carrier, J.C., Daly-Engel, T.S., Davis, M.M., Dulvy, N.K., Grubbs, R.D., Hinojosa, N.A., Imhoff, J., Kolmann, M.A. and Nash, C.S. 2020. Trends in Chondrichthyan Research: An Analysis of Three Decades of Conference Abstracts. Copeia, 108(1), pp.122-131.
  4. *Barker, A.M., B.S. Frazier, J. Gelsleichter, R.D. Grubbs, C.M. Hollenbeck, D.S. Portnoy. 2019. High rates of genetic polyandry in the Blacknose Shark, Carcharhinus acronotus. Copeia 107(3):502-508
  5.  *Larsen, M.E., D.C. Abel, D.P. Crane, S.L. Parker, P.H. Yancey, B.A. Keller, R.D. Grubbs. 2019. Unique Osmoregulatory Morphology in Primitive Sharks: An Intermediate State Between Holocephalan and Derived Shark Secretory Morphology. J. of Fish Biology
  6. Moore, A.B.M., R.D. Grubbs. 2019. Shark and ray conservation research: Absent where the need is greatest. Aquatic Conserv: Mar Freshwater Ecosyst. 2019:1–1.
  7.  *Dimens, P.V., S. Willis, R.D. Grubbs, D.S. Portnoy. 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 166:86.
  8. Bond, M.E., Valentin-Albanese, J., Babcock, E.A., Heithaus, M.R., Grubbs, R.D., Cerrato, R., Peterson, B.J., Pikitch, E.K. and Chapman, D.D., 2019. Top predators induce habitat shifts in prey within marine protected areas. Oecologia, 190(2), pp.375-385.
  9. Poulakis, G.R., R.D. Grubbs. 2019. Biology and ecology of sawfishes: status of research and future outlook. Endangered Species Research 39: 77-90
  10. Brame, A.B., T.R. Wiley, J.K. Carlson, S.V. Fordham, R.D. Grubbs, J. Osborne, R.M. Scharer, D.M. Bethea, G.R. Poulakis. 2019. Review of the biology, ecology, and status of the smalltooth sawfish Pristis pectinata in the United States, Endangered Species Research 39: 9-23
  11. Perrot, V, W.M. Landing, R.D. Grubbs, V.J.M. Salters. 2019. Mercury bioaccumulation in tilefish from the northeastern Gulf of Mexico 2 years after the Deepwater Horizon Oil Spill: Insights from Hg, C, N and S stable isotopes, Science of the Total Environment 666: 828-838.
  12. Hollensead, L.D., R.D. Grubbs, J.K. Carlson, D.M. Bethea. 2018. Assessing residency time and habitat use of juvenile Pristis pectinata using acoustic monitoring in a nursery habitat. Endangered Species Research 37: 119–131

  13. Daly-Engel, T. S., A. Koch, J.M. Anderson, C.F. Cotton, R.D. Grubbs. 2018. Description of a new deep-water dogfish shark from Hawaii, with comments on the Squalus mitsukurii species complex in the West Pacific. ZooKeys, (798), 135.

  14. *Bachman, B.A., R.T. Kraus, C.T. Peterson, R.D. Grubbs, E.C. Peters. 2018. Growth and reproduction of Echeneis naucrates (L. 1758) from the eastern Gulf of Mexico. Journal of Fish Biology 93:755–758. 10.1111/jfb.13790

  15. *Pfleger, M., R.D. Grubbs, C.F. Cotton, T.S. Daly-Engel. 2018. Squalus clarkae, sp. nov., a new dogfish shark from the northwest Atlantic and Gulf of Mexico, with comments on the S. mitsukurii species complex. Zootaxa 4444 (2): 101–119

  16. *Prohaska, B.K., D.M. Bethea, G.R. Poulakis, R.M. Scharer, R. Knotek, J.K. Carlson, R.D. Grubbs. 2018. Physiological stress in juvenile and adult smalltooth sawfish Pristis pectinata in response to habitat quality and capture method. Endangered Species Research 36: 121–135

  17. Daly-Engel, T.S., I.E. Baremore, R.D. Grubbs, S.J.B. Gulak, M.P. Enzenauer, R.T. Graham. 2018. Resurrection of the bigeye sixgill shark Hexanchus vitulus (Hexanchiformes, Hexanchidae), with comments on its distribution in the northwest Atlantic Ocean.  Mar Biodiv.

  18. *Kolmann, M.A., R.D. Grubbs, D.R. Huber, R. Fisher, N.R. Lovejoy, G.M. Erickson. 2018. Intraspecific variation in feeding mechanics and bite force in durophagous stingrays. J Zool. doi:10.1111/jzo.12530

  19. Talwar, B., E.J. Brooks, J.W. Mandelman, R.D. Grubbs. 2017. Stress, post-release mortality, and recovery of commonly discarded deep-sea sharks caught on longlines. Marine Ecol. Prog. Series 582: 147-161
  20. Walter, R.P., D. Roy, N.E. Hussey, B. Stelbrink, K.M. Kovacs, C. Lydersen, B.C. McMeans, J. Svavarsson, S.T. Kessel, S.B. Porsmoguer, S. Wildes, C. Tribuzio, S.E. Campana, S. Petersen, R.D. Grubbs, D.D. Heath, K.J. Hedges, A.T. Fisk. 2017. Origins of the Greenland Shark (Somniosus microcephalus): impacts of Ice-olation and Introgression. Ecology and Evolution 7(19), pp.8113-8125
  21. *Talwar B., I.A. Bouyoucos, O. Shipley, J.L. Rummer, J.W. Mandelman, E.J. Brooks, R.D. Grubbs. 2017. Validation of a portable, waterproof blood pH analyzer for elasmobranchs. Conserv Physiol 5(1): cox012; doi:10.1093/conphys/cox012.
  22. *Peterson, C.H., R.D. Grubbs, A. Mickle. 2017. An investigation of effects of the Deepwater Horizon oil spill on coastal fishes in the Florida Big Bend using fishery-independent surveys and stable isotope analysis.  Southeastern Naturalist 16(1): G93-G108
  23. Poulakis G.R., H. Urakawa, P.W. Stevens, J.A. DeAngelo, A.A. Timmers, R.D. Grubbs, A.T. Fisk, J.A. Olin. 2017. Sympatric elasmobranchs and fecal samples provide insight into the trophic ecology of the smalltooth sawfish. Endangered Species Research. doi: 10.3354/esr00824
  24. Guttridge T.L., M.P.M. Van Zinnicq Bergmann, C. Bolte, L. Howey-Jordan, J.S. Finger, S.T. Kessel, J. Brooks, W. Winram, M.E. Bond, L.K.B. Jordan, R.C. Cashman, E.R. Tolentino, R.D. Grubbs, S.H. Gruber. 2017. Philopatry and regional connectivity of the great hammerhead shark, Sphyrna mokarran in the U.S and the Bahamas.  Frontiers in Marine Science 4:3. doi:10.3389/fmars.2017.00003
  25. Tolentino, E.R., R.P. Howey, L.A. Howey, L.K.B. Jordan, R.D. Grubbs, A. Brooks, S. Williams, E.J. Brooks, O.N. Shipley. 2017. Was my science project eaten? A novel approach to validate consumption of marine biologging instruments. Animal Biotelemetry 5(3) DOI 10.1186/s40317-016-0117-4
  26. *Shipley, O.N., E.J. Brooks, D.J. Madigan, C.J. Sweeting, R.D. Grubbs. 2017. Stable isotope analysis in deep-sea chondrichthyans: recent challenges, ecological insights, and future directions. Reviews in Fish Biology and Fisheries. DOI 10.1007/s11160-017-9466-1
  27. *Shipley, O., B. Talwar, R.D. Grubbs, E. Brooks. 2017. Isopods present on deep-water sharks Squalus cubensis and Heptranchias perlo from The Bahamas.  Marine Biodiversity. 47:789–790
  28. Gaither, M.R., B. Violi, H.W.I. Gray, F. Neat, J.C. Drazen, R.D. Grubbs, A. Roa-Varón, T. Sutton, A.R. Hoelzel. 2016. Depth as a driver of evolution in the deep sea: Insights from grenadiers (Gadiformes: Macrouridae) of the genus Coryphaenoides Molecular Phylogenetics and Evolution 104: 73-82
  29. Grubbs R.D., J.K. Carlson, J.G. Romine, T.H. Curtis, W.D. McElroy, C.T. McCandless, C.F. Cotton, J.A. Musick. 2016. Critical assessment and ramifications of a purported marine trophic cascade. Scientific Reports 6  Editors' Choice: Science Vol. 351, Issue 6277, pp. 1039       
  30. *Talwar, B., E.J. Brooks, R.D. Grubbs. 2016.  An assessment of post-release mortality for a commonly discarded deep-sea isopod (Bathynomus giganteus) using reflex impairment. ICES Journal of Marine Science: Journal du Conseil, p.fsw087
  31. *Brooks, J.L., Guttridge, T.L., Franks, B.R., Grubbs, R.D.., Chapman, D.D., Gruber, S.H., Dibattista, J.D., Feldheim, K.A. 2016. Using genetic inference to re-evaluate the minimum longevity of the lemon shark, Negaprion brevirostris J. of Fish Biology 88): 2067-2074.
  32. Guttridge T.L., S.J.B. Gulak, B.R.Franks, J.K.Carlson, S.H. Gruber, K.S.Gledhill, M.E. Bond, G. Johnson, R.D. Grubbs. 2015. Occurrence and habitat use of the critically endangered smalltooth sawfish (Pristis pectinata) Latham, 1794 in the Bahamas. J. of Fish Biology 87, 1322–1341
  33. Cotton, C.F., R.D. Grubbs. 2015. Biology of Deep-Water Chondrichthyans: Introduction.  Deep-Sea Research II 115: 1-10
  34. *Giresi, M.M., R.D. Grubbs, D.S. Portnoy, W.B. Driggers III, L. Jones, J.R. Gold. 2015. Identification and distribution of morphologically conserved smoothhound sharks (Genus Mustelus) in the northern Gulf of Mexico. Transactions of the American Fisheries Society 144:1301–1310
  35. Papastamatiou, Y.P., R.D. Grubbs, J. Imhoff, S. Gulak, J.K. Carlson, G. Burgess. 2015. Identification of essential habitat for large juvenile and adult endangered smalltooth sawfish using multiple tagging methods.  Global Ecology and Conservation 3:764-775
  36. *Kolmann, M.A., D.R. Huber, P.J. Motta, R.D. Grubbs. 2015. Feeding biomechanics of the cownose ray, Rhinoptera bonasus, over ontogeny. Journal of Anatomy. doi: 10.1111/joa.12342
  37. *Churchill, D.A., M.R. Heithaus, J.J. Vaudo, R.D. Grubbs, J.I. Castro. 2015. Trophic interactions of common elasmobranchs in deep-sea communities of the Gulf of Mexico revealed through stable isotope and stomach contents analysis.  Deep Sea Research II. 115: 92-102
  38. *Churchill, D.A., M.R. Heithaus, R.D. Grubbs. 2015.,Effects of lipid and urea extraction on δ15N values of deep-sea sharks and hagfish: can mathematical correction factors be generated?  Deep Sea Research II. 115: 103-108
  39. Cotton, C.F., R.D. Grubbs, J.E. Dyb, I. Fossen, J.A. Musick. 2015. Reproduction and embryonic development in two species of squaliform sharks, Centrophorus granulosus and Etmopterus princeps: evidence of matrotrophy?  Deep Sea Research II. 115: 41-54
  40. Brooks, E.J., A.M. Brooks, S. Williams, L.K.B. Jordan, D. Abercrombie, D.D. Chapman, L.A. Howey-Jordan, R.D. Grubbs. 2015. F First description of deep-water elasmobranch assemblages in the Exuma sound, the Bahamas. Deep-Sea Research II. 115: 81-91
  41. *Hollensead, L.D., R.D. Grubbs, J.K. Carlson, D.M. Bethea. 2015. Analysis of fine-scale daily movement patterns of juvenile Pristis pectinata within a nursery habitat. Aquatic Conserv: Mar. Freshw. Ecosyst. DOI: 10.1002/aqc.2556
  42. *Kolmann, M.A., D.R. Huber, M.N. Dean, R.D. Grubbs. 2014. Myological variability in a decoupled skeletal system: batoid cranial anatomy. J. of Morphology. 275(8): 862-881
  43. Burgess, G.H., B.D. Bruce, G.M. Cailliet, K.J. Goldman, R.D. Grubbs, C.G. Lowe, M.A. MacNeil, H.F. Mollet, J.B. O’Sullivan, K.C. Weng. 2014. A re-evaluation of the size of the white shark (Carcharodon carcharias) population off California, USA. PLOS One 9(6): e98078
  44. Cotton, C.F., A.H. Andrews, G.M. Cailliet, R.D. Grubbs, S.B. Irvine, J.A. Musick. 2014. Assessment of radiometric dating for age validation of deep-water dogfish (Order: Squaliformes) finspines. Fisheries Research 151: 107– 113
  45. Carlson, J.K., S.J.B. Gulak, C.S. Simpfendorfer, R.D. Grubbs, J.G. Romine and G.H. Burgess. 2014. Habitat use and movement patterns of smalltooth sawfish, Pristis pectinata, determined using pop-up satellite archival tags. Aquatic Conserv: Mar. Freshw. Ecosyst. 24: 104-117.
  46. Bethea, D.M., M.J. Ajemian, J.K. Carlson, E.R. Hoffmayer, J.L. Imhoff, R.D. Grubbs, C.T. Peterson, G.H. Burgess. 2014. Distribution and community structure of coastal sharks in the northeastern Gulf of Mexico. Env. Biol. Fish. 98(5): 1233-1254
  47. Portnoy, D.S., C.M. Hollenbeck, C.N. Belcher, W.B. Driggers III, B.S. Frasier, J. Gelsleichter, R.D. Grubbs, J.R. Gold. 2014.  Population structure and historical genetic demography of blacknose sharks in the Western North Atlantic and Gulf of Mexico. Molecular Ecology 23: 5480-5495
  48. Fisher, R.A., G.C. Call, R.D. Grubbs. 2013. Age, Growth, and Reproductive Biology of Cownose Rays in Chesapeake Bay, Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science, 5:1, 224-235
  49. Jennings, D.E., J.D. DiBattista, K.L. Stump, N.E. Hussey, B.R. Franks, R.D. Grubbs,  S.H. Gruber. 2012. Assessment of the aquatic biodiversity of a threatened coastal lagoon at Bimini, Bahamas. Journal of Coastal Conservation 16:205-428.
  50. Cotton, C.F., R.D. Grubbs, T.S. Daly-Engel, P.D. Lynch, J.A. Musick. 2011. Age, growth and reproduction of Squalus cf. mitsukurii from Hawaiian waters. Marine and Freshwater Research 62: 1-12
  51. Fisher, R.A., G.C. Call, R.D. Grubbs. 2011. Cownose ray (Rhinoptera bonasus) predation relative to bivalve ontogeny. J. Shellfish Research 30(1): 187-196.
  52. *Veríssimo, A, D. Grubbs, J. McDowell, J. Musick, D. Portnoy. 2011. Frequency of multiple paternity in the spiny dogfish Squalus acanthias off the southeast the western North Atlantic. Journal of Heredity 102: 88-93 
  53. Daly-Engel T.S., R.D. Grubbs, K.A. Feldheim, B.W. Bowen, and R.J. Toonen. 2010. Is multiple mating beneficial or unavoidable? Low multiple paternity and genetic diversity in the shortspine spurdog (Squalus mitsukurii). Marine Ecology Progress Series 403: 255-267.
  54. Grubbs, R.D. and J.A. Musick. 2007. Spatial delineation of summer nursery areas for juvenile sandbar sharks in Chesapeake Bay, Virginia. In: C.T. McCandless, N.E. Kohler and H.L. Pratt, Jr. (editors). Shark nursery grounds of the Gulf of Mexico and the East Coast waters of the United States. American Fisheries Society Symposium 50: 63–86.
  55. Grubbs, R.D., J.A. Musick, C.L. Conrath, and J.G. Romine. 2007. Long-term movements, migration, and temporal delineation of summer nurseries for juvenile sandbar sharks in the Chesapeake Bay region. In: C.T. McCandless, N.E. Kohler and H.L. Pratt, Jr. (editors). Shark nursery grounds of the Gulf of Mexico and the East Coast waters of the United States. American Fisheries Society Symposium 50: 87–108.
  56. *Daly-Engel, T.S., R.D. Grubbs, B.W. Bowen and R.J. Toonen. 2007. Frequency of multiple paternity in an unexploited tropical population of sandbar sharks (Carcharhinus plumbeus). Canadian Journal of Fisheries and Aquatic Sciences 64: 198-204.
  57. *Graham, B., D. Grubbs, K. Holland, and B. Popp. 2007. A rapid ontogenetic shift in the diet of juvenile yellowfin tuna from Hawai’i. Marine Biology 150: 647-658.
  58. *Daly-Engel, T.S., R.D. Grubbs, K.N. Holland, R.J. Toonen, B.W. Bowen. 2006. Assessment of multiple paternity in single litters from three species of carcharhinid sharks in Hawai’i. Environmental Biology of Fishes 76: 419-424.
  59. *Romine, J.G., R.D. Grubbs and J.A. Musick. 2006. Age and growth of the sandbar shark, Carcharhinus plumbeus, in Hawaiian waters through vertebral analysis. Environmental Biology of Fishes 77: 229-239.
  60. Burgess, G.H., L.R. Beerkircher, G.M. Cailliet, J.K. Carlson, E. Cortés, K.J. Goldman, R.D. Grubbs, J.A. Musick, M.K. Musyl, and C.A. Simpfendorfer. 2005. The decline of shark populations in the Northwest Atlantic Ocean and Gulf of Mexico: Fact or Fiction? Fisheries 30 (10): 19-26.
  61. Burgess, G.H., L.R. Beerkircher, G.M. Cailliet, J.K. Carlson, E. Cortés, K.J. Goldman, R.D. Grubbs, J.A. Musick, M.K. Musyl, and C.A. Simpfendorfer. 2005. Reply to "Robust estimates of decline for pelagic shark populations in the Northwest Atlantic and Gulf of Mexico" Fisheries 30 (10): 30-31.

Book Chapters - Peer-reviewed

  1. Grubbs, R.D., R.T. Kraus.  2019.  Fish Migration.  Encyclopedia of Animal Behavior, 2nd Edition. Nicholls M and Greetal C eds, Academic Press, Oxford. Vol 1: 715-724.

  2. Grubbs, R.D., R.T. Kraus.  2017.  Fish Migration, In Reference Module in Life Sciences, Elsevier, ISBN: 978-0-12-809633-8,

  3. Grubbs, R.D., R.T. Kraus.  2010.  Migrations in Fishes.  Encyclopedia of Animal Behavior. Breed, M. D. & Moore, J. eds, Academic Press, Oxford. Vol 1: 715-724.
  4. Grubbs, R.D. 2010 Chapter 7. Ontogenetic Shifts in Movements and Habitat Use. In Carrier JF, Musick JA, Heithaus MR (eds.). Sharks and Their Relatives II: Biodiversity, Adaptive Physiology, and Conservation, CRC Press, New York, New York, USA. pp. 319-350.
  5. Holland, K.N., R.D. Grubbs. 2007. Chapter 10: Fish Visitors to Seamounts Section A: Tunas and Billfish. Pp. 189-207. In: T. Pitcher, T. Morato, P. Hart, M. Clark, N. Haggan and R. Santos, (eds). Seamounts: Ecology, Fisheries & Conservation. Blackwell Publishing: Fish and Aquatic Resources Series 12. Oxford.


Abel, D.C., R.D. Grubbs. In press. Shark Biology and Conservation: Essential Information for Enthusiasts, Educators, Naturalists, and Students. Johns Hopkins University Press