Curtis, T.H. & Robinson, J. & Pratt, H.L. & Jr. & Skomal, G.B. & Whitney, N.M. (2024)
Novel pre-copulatory behavior in basking sharks observed by drone. Journal of Fish Biology, in press
DOI: 10.1111/jfb.15858
Klimley, A.P. & Porcher, I.F. & Clua, E.E.G. & Pratt, H.L. & Jr. (2023)
A review of the behaviours of the Chondrichthyes: a multi-species ethogram for the chimaeras, sharks, and rays. Behaviour, 160(11-14), 967–1080
DOI: 10.1163/1568539X-bja10214
White, C.F. & Pratt, H.L. & Pratt, T.C. & Whitney, N.M. (2022)
Interspecific foraging association of a nurse shark (Ginglymostoma cirratum) with bottlenose dolphins (Tursiops truncatus). Animal Biotelemetry, 10(1), Article 35
DOI: 10.1186/s40317-022-00305-y
Pratt, H.L. & Pratt, T.C. & Knotek, R.J. & Carrier, J.C. & Whitney, N.M. (2022)
Long-term use of a shark breeding ground: Three decades of mating site fidelity in the nurse shark, Ginglymostoma cirratum. PLoS ONE, 17(10), Article e0275323
DOI: 10.1371/journal.pone.0275323
Dwyer, R.G. & Krueck, N.C. & Udyawer, V. & Heupel, M.R. & Chapman, D. & Pratt, H.L. & Garla, R. & Simpfendorfer, C.A. (2020)
Individual and Population Benefits of Marine Reserves for Reef Sharks. Current Biology, 30(3), 480-489
DOI: 10.1016/j.cub.2019.12.005
Pratt, H.L. & Pratt, T.C. & Morley, D. & Lowerre-Barbieri, S. & Collins, A. & Carrier, J.C. & Hart, K.M. & Whitney, N.M. (2018)
Partial migration of the nurse shark, Ginglymostoma cirratum (Bonnaterre), from the Dry Tortugas Islands. Environmental Biology of Fishes, 101(4), 515–530
DOI: 10.1007/s10641-017-0711-1
Kashiwagi, T. & Kingsland, K.M. & Pratt, T.C. & Pratt, H.L. & Heist, E.J. (2016)
Complete mitochondrial genome of the nurse shark Ginglymostoma cirratum. Mitochondrial DNA Part B, 1(1), 464–465
DOI: 10.1080/23802359.2016.1186514
Curtis, T.H. & Mccandless, C.T. & Carlson, J.K. & Skomal, G.B. & Kohler, N.E. & Natanson, L.J. & Burgess, G.H. & Hoey, J.J. & Pratt, H.L. (2014)
Seasonal Distribution and Historic Trends in Abundance of White Sharks, Carcharodon carcharias, in the Western North Atlantic Ocean. PLoS ONE, 9(6), Article e99240
DOI: 10.1371/journal.pone.0099240
Pratt, H.L. & Heist, E.J. & Pratt, T. & Carrier, J. (2012)
Sexual conflict in the nurse shark, Ginglymostoma cirratum: five compensatory behaviors [Abstract]. World Congress of Herpetology, Vancouver, Canada, August 8 – 14, 2012, Book of Abstracts, 571
Heist, E.J. & Carrier, J.C. & Pratt, H.L. & Pratt, T.C. (2011)
Exact Enumeration of Sires in the Polyandrous Nurse Shark (Ginglymostoma cirratum). Copeia, 2011(4), 539–544
DOI: 10.1643/CE-10-165
Whitney, N.M. & Pratt, H.L. & Pratt, T.C. & Carrier, J.C. (2010)
Identifying shark mating behaviour using three-dimensional acceleration loggers. Endangered Species Research, 10(2), 71–82
DOI: 10.3354/esr00247
Brunnschweiler, J.M. & Pratt, H.L. (2008)
Putative male - male agonistic behaviour in free-living zebra sharks, Stegostoma fasciatum. The Open Fish Science Journal, 1, 23–27
Campana, S.E. & Joyce, W. & Marks, L. & Hurley, P. & Natanson, L.J. & Kohler, N.E. & Jensen, C.F. & Mello, J.J. & Pratt, H.L. & Myklevoll, S. & Harley, S. (2008)
The rise and fall (again) of the porbeagle shark population in the Northwest Atlantic. In M.D. Camhi, E.K. Pikitch, E.A. Babcock (Eds.) Sharks of the Open Ocean: Biology, Fisheries and Conservation. (pp. 445–461). Blackwell Publishing, Oxford, U.K.
Mccandless, C.T. & Pratt, H.L. & Kohler, N.E. & Merson, R.R. & Recksiek, C.W. (2007)
Distributions, localized abundance, movements and migrations of juvenile sandbar sharks tagged in Delaware Bay. American Fisheries Society Symposium, 50, 45–62
Heithaus, M.R. & Burkholder, D. & Hueter, R.E. & Heithaus, L.I. & Pratt, H.L. & Carrier, J.C. (2007)
Spatial and temporal variation in shark communities of the lower Florida Keys and evidence for historical population declines. Canadian Journal of Fisheries and Aquatic Sciences, 64(10), 1302–1313
DOI: 10.1139/F07-098
Pratt, H.L. & Carrier, J.C. (2005)
Elasmobranch Courtship and Mating Behavior. In W.C. Hamlett (Ed.), Reproductive biology and phylogeny of chondrichthyes: sharks, rays and chimaeras, Vol. 3 (pp. 129–169). Science Publishers, Endfield, USA
Carrier, J.C. & Pratt, H.L. & Castro, J.I. (2004)
Reproductive biology of elasmobranchs. In J.C. Carrier, J.A. Musick, & M.R. Heithaus (Eds.), Biology of Sharks and their Relatives (1th ed., pp. 269–286). CRC Press, Boca Raton, Florida
Heist, E.J. & Carrier, J.C. & Pratt, H.L. (2004)
Estimating the number of sires and inferring paternal genotypes in Nurse Shark (Ginglymostoma cirratum) litters [Abstract]. American Elasmobranch Society 20th Annual Meeting, Norman, Oklahoma
Mccandless, C.T. & Kohler, N.E. & Pratt, H.L. (2004)
Monitoring the juvenile Sandbar Shark, Carcharhinus plumbeus, population in the Delaware Bay nursery grounds [Abstract]. American Elasmobranch Society 20th Annual Meeting, Norman, Oklahoma
Pratt, H.L. & Carrier, J.C. (2004)
Reproductive competition and cooperation in male Ginglymostoma cirratum: Patterns and strategies [Abstract]. American Elasmobranch Society 20th Annual Meeting, Norman, Oklahoma
Carrier, J.C. & Murru, F.L. & Walsh, M.T. & Pratt, H.L. (2004)
Chapter 35: Assessing Reproductive Potential and Gestation in Nurse Sharks. In M. Smith, D. Warmolts, D. Thoney, & R. Hueter (Eds.), The Elasmobranch Husbandry Manual: Captive Care of Sharks, Rays and their Relatives (pp. 499–504). Special Publication of the Ohio Biological Survey
Carrier, J.C. & Murru, F.L. & Walsh, M.T. & Pratt, H.L. (2003)
Assessing reproductive potential and gestation in nurse sharks (Ginglymostoma cirratum) using ultrasonography and endoscopy: an example of bridging the gap between field research and captive studies. Zoo Biology, 22(2), 179–187
DOI: 10.1002/zoo.10088
Joyce, W.N. & Campana, S.E. & Natanson, L.J. & Kohler, N.E. & Pratt, H.L. & Jensen, C.F. (2002)
Analysis of stomach contents of the porbeagle shark (Lamna nasus Bonnaterre) in the northwest Atlantic. ICES Journal of Marine Science, 59(6), 1263–1269
DOI: 10.1006/jmsc.2002.1286
Saville, K.J. & Lindley, A.M. & Maries, E.G. & Carrier, J.C. & Pratt, H.L. (2002)
Multiple paternity in the nurse shark, Ginglymostoma cirratum. Environmental Biology of Fishes, 63(3), 347–351
DOI: 10.1023/A:1014369011709
Jensen, C.F. & Natanson, L.J. & Pratt, H.L. & Kohler, N.E. & Campana, S.E. (2002)
The reproductive biology of the porbeagle shark (Lamna nasus) in the western North Atlantic Ocean. Fishery Bulletin, 100(4), 727–738
Campana, S.E. & Joyce, W. & Marks, L. & Natanson, L.J. & Kohler, N.E. & Jensen, C.F. & Mello, J.J. & Pratt, H.L. & Myklevoll, S. (2002)
Population Dynamics of the Porbeagle in the Northwest Atlantic Ocean. North American Journal of Fisheries Management, 22, 106–121
DOI: 10.1577/1548-8675(2002)022<0106:PDOTPI>2.0.CO;2
Wetherbee, B.M. & Rechisky, E.L. & Pratt, H.L. & Mccandless, C.T. (2001)
Use of telemetry in fisheries management: juvenile sandbar sharks in Delaware Bay. In Electronic tagging and tracking in marine fisheries. Reviews: Methods and Technologies in Fish Biology and Fisheries. Vol. 1. J. Sibert and J. Nielson, eds., Kluwer Academic Press, Dordrecht, the Netherlands: 249–262
Pratt, H.L. & Carrier, J.C. (2001)
A review of elasmobranch reproductive behavior with a case study on the nurse shark, Ginglymostoma cirratum. Environmental Biology of Fishes, 60(1–3), 157–188
DOI: 10.1023/A:1007656126281
Merson, R.R. & Pratt, H.L. (2001)
Distribution, movements and growth of young sandbar sharks, Carcharhinus plumbeus, in the nursery grounds of Delaware Bay. Environmental Biology of Fishes, 61(1), 13–24
DOI: 10.1023/A:1011017109776
Mollet, H.F. & Cliff, G. & Pratt, H.L. & Stevens, J.D. (2000)
Reproductive biology of the female shortfin mako, Isurus oxyrinchus Rafinesque, 1810, with comments on the embryonic development of lamnoids. Fishery Bulletin, 98(2), 299–318
Carrier, J.C. & Pratt, H.L. & Whitney, N.M. & Beck, J. (2000)
GPS-supplemented tracking and plotting of the movement of reproductively active male nurse sharks Ginglymostoma cirratum [Abstract]. American Elasmobranch Society 16th Annual Meeting, 14–20 June 2000, La Paz, Mexico
Mccandless, C.T. & Kohler, N.E. & Turner, P.A. & Pratt, H.L. (2000)
Distribution and movements of juvenile sandbar sharks, Carcharhinus plumbeus, in the western North Atlantic [Abstract]. American Elasmobranch Society 16th Annual Meeting, 14–20 June 2000, La Paz, Mexico
Carrier, J.C. & Pratt, H.L. (1998)
Habitat management and closure of a nurse shark breeding and nursery ground. Fisheries Research, 39(2), 209–213
DOI: 10.1016/S0165-7836(98)00184-2
Carrier, J.C. & Murru, F.L. & Davis, R.L. & Pratt, H.L. (1997)
Studies of nurse shark reproduction: bridging the gap between field investigations and captive research [Abstract]. American Elasmobranch Society 13th Annual Meeting, 26 June–2 July 1997, Seattle, Washington
Carrier, J.C. & Murru, F.L. & Davis, R.L. & Walsh, M.T. & Dover, S. & Pratt, H.L. (1997)
Studies of nurse shark reproduction: uses of endoscopy, ultrasound, and serial blood chemistry in the evaluation and monitoring of presumed pregnancy in captive nurse sharks [Abstract]. American Elasmobranch Society 13th Annual Meeting, 26 June–2 July 1997, Seattle, Washington
Carrier, J.C. & Pratt, H.L. & Beck, J.P. (1997)
Mating behaviors of male nurse sharks: use of ultrasonic telemetry for tracking animals between mating events [Abstract]. American Elasmobranch Society 13th Annual Meeting, 26 June–2 July 1997, Seattle, Washington
Merson, R.R. & Pratt, H.L. (1997)
Northern extent of the pupping grounds of the sandbar shark, Carcharhinus plumbeus, on the US east coast [Abstract]. American Elasmobranch Society 13th Annual Meeting, 26 June–2 July 1997, Seattle, Washington
Mollet, H.F. & Cliff, G. & Pratt, H.L. & Stevens, J.D. (1997)
Reproductive parameters of the shortfin mako, Isurus oxyrinchus [Abstract]. American Elasmobranch Society 13th Annual Meeting, 26 June–2 July 1997, Seattle, Washington
Pratt, H.L. (1996)
Reproduction in the Male White Shark. In A.P. Klimley & D. Ainley, (Eds.), Great White Sharks. The biology of Carcharodon carcharias (pp. 131–138). Academic Press.
Carrier, J.C. & Pratt, H.L. (1996)
Identification and closure of a nurse shark breeding grounds [Abstract]. American Elasmobranch Society 12th Annual Meeting, June 13–19,1996 New Orleans, Louisiana, U.S.A.
Merson, R.R. & Pratt, H.L. (1996)
Pupping and nursery grounds of the sandbar shark, Carcharhinus plumbeus, in Delaware Bay [Abstract]. American Elasmobranch Society 12th Annual Meeting, June 13–19,1996 New Orleans, Louisiana, U.S.A.
Pratt, H.L. & Natanson, L.J. (1996)
Effect of temperature an band deposition in the little skate, Raja erinacea [Abstract]. American Elasmobranch Society 12th Annual Meeting, June 13–19,1996 New Orleans, Louisiana, U.S.A.
Pratt, H.L. & Carrier, J.C. (1996)
Tagging techniques for the underwater identification of sharks [Abstract]. American Elasmobranch Society 12th Annual Meeting, June 13–19,1996 New Orleans, Louisiana, U.S.A.
Pratt, H.L. & Carrier, J.C. (1995)
Wild mating of nurse sharks. National Geographic Magazine, 187(5): 44–53
Carrier, J.C. & Pratt, H.L. & Martin, L.K. (1994)
Group reproductive behaviors in free-living nurse sharks, Ginglymostoma cirratum. Copeia, 1994(3), 646–656
Pratt, H.L. & Tanaka, Sho (1994)
Sperm storage in male elasmobranchs: a description and survey. Journal of Morphology, 219(3), 297–308
DOI: 10.1002/jmor.1052190309
Pratt, H.L. (1994)
Anatomical indicators of sexual maturity in sharks [Abstract]. American Elasmobranch Society 10th Annual Meeting, 2.–8. June 1994, University of Southern California, Los Angeles
Pratt, H.L. (1993)
The storage of spermatozoa in the oviducal glands of western North Atlantic sharks. Environmental Biology of Fishes, 38(1–3), 139–149
DOI: 10.1007/BF00842910
Pratt, H.L. & Casey, J.G. (1990)
Shark reproductive strategies as a limiting factor in directed fisheries, with a review of Holden's method of estimating growth parameters. In Pratt, H.L., Gruber, S.H., Taniuchi, T., editors. Elasmobranchs as living resources: advances in the biology, ecology, systematics, and the status of the fisheries: NOAA Technical Report NMFS, 90: 97–111
Pratt, H.L. (1988)
Elasmobranch Gonad Structure: A Description and Survey. Copeia, 1988(3), 719–729
Carey, F.G. & Casey, J.G. & Pratt, H.L. & Urquhart, D. & McCosker, J.E. (1985)
Temperature, heat production and heat exchange in lamnid sharks. Memoirs of the Southern California Academy of Sciences, 9, 92–108
Casey, J.G. & Pratt, H.L. (1985)
Distribution of the white shark Carcharodon carcharias in the Western North Atlantic. Memoirs of the Southern California Academy of Sciences, 9, 2–14
Casey, J.G. & Pratt, H.L. & Stillwell, C.E. (1985)
Age and Growth of the sandbar shark (Carcharhinus plumbeus) from the western north Atlantic. Canadian Journal of Fisheries and Aquatic Sciences, 42(5), 963–975
DOI: 10.1139/f85-121
Pratt, H.L. & Casey, J.G. (1983)
Age and growth of the shortfin mako, Isurus oxyrinchus, using four methods. Canadian Journal of Fisheries and Aquatic Sciences, 40(11), 1944–1957
DOI: 10.1139/f83-224
Pratt, H.L. & Casey, J.G. (1983)
Age and growth of the shortfin mako, lscurus oxyrinchus. In Proceedings of the International Workshop on Age Determination of Oceanic Pelagic Fishes: Tunas, Billfishes, and Sharks. By Eric D. Prince(convener and editor) and Lynn M. Pulos(editor). NOAA Technical Report, 8: 175–178
Casey, J.G. & Pratt, H.L. & Stillwell, C.E. (1983)
Age and growth of the sandbar shark, Carcharhinus plumbeus, from the western North Atlantic. In Proceedings of the International Workshop on Age Determination of Oceanic Pelagic Fishes: Tunas, Billfishes, and Sharks. By Eric D. Prince(convener and editor) and Lynn M. Pulos(editor). NOAA Technical Report, 8: 189–192
Carey, F.G. & Kanwisher, J.W. & Brazier, O. & Gabrielson, G. & Casey, J.G. & Pratt, H.L. (1982)
Temperature and Activities of a White Shark, Carcharodon carcharias. Copeia, 1982(2), 254–260
Pratt, H.L. & Casey, J.G. & Conklin, R.B. (1982)
Observations on large white sharks, Carcharodon carcharias, off Long Island, New York. Fishery Bulletin, 80(1), 153–157
Pratt, H.L. (1979)
Reproduction in the blue shark, Prionace glauca. Fishery Bulletin, 77(2), 445–470