Journal Articles

 

Kneebone J, Arostegui MC, Natanson LJ, Skomal GB, Braun CD, Bernal D (2025) Horizontal and vertical movements and habitat use of the common thresher shark (Alopias vulpinus) in the western North Atlantic Ocean. Mar Ecol Prog Ser :0-0 https://doi.org/10.3354/meps14978

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Kneebone, J. *Holbeche, J., Goldsmith, W.M., and Bernal, D. (2025). Assessing angler attitudes, fishing behavior, boatside handling, and release practices in the northeastern United States recreational fishery for Shortfin Mako and other pelagic sharks. North American Journal of Fisheries Management, vqaf015, https://doi.org/10.1093/najfmt/vqaf015

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Sequeria A.M., Rodriguez, J.P…………Bernal, D…….Eguiluz, V.M. (2025) Global tracking of marine megafauna space use reveals how to achieve conservation targets. Science388,1086-1097(2025).DOI:10.1126/science.adl0239

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Francis, M.P, Lyon, W.S., Clarke, S.C., Finucci, B., Hutchinson, M.R., Campana, S.E., Musyl, M.K., Schaefer, K.M., Hoyle, S.D., Peatman, T., Bernal, D., Bigelow, K., Carlson, J., Coelho, R., Heberer, C., Itano, D., Jones, E., Leroy, B., Liu, K.M., Murua, H., Poisson, F., Roger, P., Sanchez, C., Semba, Y., Sippel, T., and Smith, N. (2023) Post-release survival of shortfin mako (Isurus oxyrinchus) and silky (Carcharhinus falciformis) sharks released from pelagic tuna longlines in the Pacific Ocean. Aquatic Conservation: Marine and Freshwater Ecosystems. 2023;1–13. DOI: 10.1002/aqc.3920

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Morrison, P.R., Bernal, D., Sepulveda, C.A., and Brauner, C.J. (2023). The effect of temperature on haemoglobin-oxygen binding affinity in regionally endothermic and ectothermic sharks. Journal of Experimental Biology. 226, jeb244979. doi:10.1242/jeb.244979

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Morrison, P.R., Bernal, D., Sepulveda, C.A., Wegner, N.C., and Brauner, C.J. (2022) Temperature independence of haemoglobin–oxygen affinity in smalleye Pacific opah (Lampris incognitus) and swordfish (Xiphias gladius). Journal of Experimental Biology. 225 (19): jeb243820. doi: https://doi.org/10.1242/jeb.243820

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Skomal, G., Marshall, H., Galuardi, B., Natanson, L., Braun, C. and Bernal, D. (2021). Horizontal and vertical movement patterns and habitat use of juvenile porbeagles (Lamna nasus) in the western north Atlantic. Frontiers in Marine Science, section Marine Megafauna. 8,16.

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Schwieterman, G.D., *Winchester, M.M., Shiels, H.A., Bushnell, P.G., Bernal, D. Marshall, H.M. and Brill, R.W. (2021). The effects of elevated potassium, acidosis, reduced oxygen levels, and temperature on the functional properties of isolated myocardium from three elasmobranch fishes: clearnose skate (Rostroraja eglanteria), smooth dogfish (Mustelus canis), and sandbar shark (Carcharhinus plumbeus) Journal of Comparative Physiology B. 191 (1) 127-141.

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Kneebone, J., Benoît, H.P., Bernal, D., and Golet, W. (2020) Application of a parametric survival model to understand capture-related mortality and predation of yellowfin tuna (Thunnus albacares) released in a recreational fishery. Canadian Journal of Fisheries and Aquatic Sciences. 78 (4), 386-399.https://cdnsciencepub.com/doi/full/10.1139/cjfas-2020-0266.

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Kneebone, Bowlby, H., Mello, J.J., McCandless, C.T., Natanson, L.J., Gervelis, B., Skomal, G.B., Kohler, N. and Bernal, D. (2020). Seasonal distribution and habitat use of the common thresher shark (Alopias vulpinus) in the western North Atlantic Ocean inferred from fishery-dependent data. Fishery Bulletin. 118:399–412.

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Stoehr, A., Donley, J., Aalbers, S., Syme, D., Sepulveda, C. and Bernal, D. (2020). Thermal Effects on Red Muscle Contractile Performance in Deep-Diving, Large-Bodied Fishes. Fish Physiology and Biochemistry, 46(5), 1833-1845.

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Eddy, C., Pitt, J., Larkum J., Altabet,M. and Bernal, D. (2020) Stable Isotope Ecology of Invasive Lionfish (Pterois volitans and P miles) in Bermuda. Frontiers in Marine Science. 7:435. doi: 10.3389/fmars.2020.00435

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Benoît, H., Kneebone J, Tracey, S., Bernal, D., Hartmann, K, and Golet, W. (2020). Distinguishing discard mortality from natural mortality in field experiments based on electronic tagging. Fisheries Research 230 (2020) 105642. https://doi.org/10.1016/j.fishres.2020.105642

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Popp, M., White, C., Bernal, D., Wainwright, D. and Lauder, G. (2020).  The denticle surface of thresher shark tails: three-dimensional structure and comparison to other pelagic species. Journal of Morphology. 2020;1–18. https://doi.org/10.1002/jmor.21222

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Sepulveda, C., Aalbers, S., Wang, M., Kneebone, J., and Bernal, D. (2020) Post-release survivorship of Pacific bluefin tuna (Thunnus orientalis) captured in the California recreational fishery. Fish. Res. 223: doi.org/10.1016/j.fishres.2019.105413

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Eddy, C., Pitt, J., Oliveira, K., Morris, J.A., Potts, J. and Bernal, D. (2019). The Life History Characteristics of Invasive Lionfish (Pterois volitans and P. miles) in Bermuda. Environmental Biology of Fishes, 102: 887-900.

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Queiroz, N., et al (2019).  Global spatial risk assessment of sharks under the footprint of fisheries. Nature, 572: 461–466.  doi: 10.1038/s41586-019-1444-4

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Shadwick, R.E., Bernal, D., Bushnell, P.G. and Steffensen, J.F. (2018). Blood pressure in the Greenland Shark as estimated from ventral aortic elasticity. J. Exp. Biol. 221 (19), 221: jeb186957 doi: 10.1242/jeb.186957

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Bernal, D., Reid, J., Roessig, J., Matsumoto, S., Sepulveda, C., Cech, J.J., and Graham, J.B (2018). Temperature effects on the blood oxygen affinity in sharks. Fish Physiology and Biochemistry. 44 (3), 949-967 https://doi.org/10.1007/s10695-018-0484-2

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*Stoehr, A., *St Martin, J., Aalbers, S., Sepulveda, C., & Bernal, D. (2018). Free-swimming swordfish, Xiphias gladius, alter the rate of whole body heat transfer: morphological and physiological specializations for thermoregulation. ICES Journal of Marine Science.  75: 858–870, https://doi.org/10.1093/icesjms/fsx163.

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Bernal, D., Brill, R.W., Dickson, K.A., and Shiels, H.A. (2017). Sharing the water column: physiological mechanisms underlying species-specific habitat use in tunas. Reviews in Fish Biology and Fisheries, 27: 843-880.

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*Stoehr, A., *St Martin, J., Aalbers, S., Sepulveda, C., & Bernal, D. (2017). Free-swimming swordfish, Xiphias gladius, alter the rate of whole body heat transfer: morphological and physiological specializations for thermoregulation. ICES Journal of Marine Science. https://doi.org/10.1093/icesjms/fsx163.

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*Lynch, S.D., Marcek, B.J., Marshall, H.M., Bushnell, P.G., Bernal, D and Brill, R.W. (2017). The effects of pop-up satellite archival tags (PSATs) on the metabolic rate and swimming kinematics of juvenile sandbar shark (Carcharhinus plumbeus). Fisheries Research. 18:205-215.

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*Eddy, C., Pitt, J., Morris, J., Smith, S., Goodbody-Gringley, G. and Bernal, D. (2016). Diet and prey selectivity of invasive lionfish (Pterois volitans and P. miles) in Bermuda. Marine Ecology Progress Series. 558:192-206.

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*Eddy, C., Brill, R. and Bernal, D. (2016). Capture-related mortality and post release survival of pelagic sharks interacting with tuna purse seines around drifting fish aggregating devices (FADs) in the Eastern Pacific Ocean. Fisheries Research. 174:109-117.

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*Marshall, H., Skomal, G., Ross, P.G. and Bernal, D. (2015). At-vessel and post-release mortality in dusky (Carcharhinus obscurus) and sandbar (C. plumbeus) sharks after longline capture. Fisheries Research. 172:373-384.

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Sepulveda, C., Heberer, C., Aalbers, S.A., Spear, N., Kinney, M., Bernal, D. and Kohin, S. (2015). Post-release survivorship studies on common thresher sharks (Alopias vulpinus) captured in the southern California recreational fishery. Fisheries Research. 161:102–108.

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Sepulveda, C., Aalbers, S.A. and Bernal., D. (2015) . Insights into post-release survival and movements of roosterfish (Nematistius pectoralis) off the Central American coastline. Latin American Journal of Aquatic Research. 43, 162-175.

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*Kneebone, J., Chisholm, J., Bernal, D. and Skomal, G. (2013). The physiological effects of capture stress, recovery, and post-release survivorship of juvenile sand tigers (Carcharias taurus) caught on rod and reel. Fisheries Research 147: 103-114.

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*Marshall, H., *Field, L. *Afiadata, A., Sepulveda, C., Skomal, G. and Bernal, D. (2012). Haematological indicators of stress in longline-captured sharks Comparative Biochemistry and Physiology. 126:121-129.

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Donley, J.M, Sepulveda, C.A., Aalbers, S.A., McGillivray, D.G., Syme, D.A. and Bernal, D. (2012) Effects of temperature on power output and contraction kinetics in the locomotor muscle of the regionally endothermic common thresher shark (Alopias vulpinus). Fish Biochemistry and Physiology. 38:1507-1519.

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*Patterson, J., Sepulveda, C. and Bernal, D. (2011). The vascular morphology and in vivo muscle temperatures of thresher sharks (Alopiidae). Journal of Morphology. 272:1353-1364.

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Heberer, C., Aalbers, S.A., Bernal, D., Kohin, S., DiFiore, B. and Sepulveda, C.A. (2010) Insights into catch and release mortality, vertical distribution, and blood biochemistry of common thresher sharks (Alopias vulpinus) captured in the southern California recreational fishery.  Fisheries Research. 106:495-500.

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Sepulveda, C.A., Aalbers, S.A., Ortega-Garcia, S., Wegner, N. and Bernal, D. (2011) Depth distribution and temperature preferences of wahoo (Acanthocybium solandri) off Baja California Sur, Mexico. Marine Biology. 158:917-926.

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Aalbers. S, Bernal, D., and Sepulveda C. (2010). The functional role of the caudal fin in the feeding ecology of the common thresher shark (Alopias vulpinus). J. Fish Biology. 76, 1863–1868.

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Bernal, D., Donley, J., McGillivray, D.G., Aalbers, S.A., Syme, D.A., and Sepulveda, C. (2010). Function of the medial red muscle during sustained swimming in common thresher sharks: Contrast and convergence with thunniform swimmers. Comparative Biochemistry and Physiology A. 155, 454-463.

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Sepulveda, C. A., Dickson, K.A., Bernal, D. and Graham, J. B. (2008). Elevated red myotomal muscle temperatures in the most basal tuna species, Allothunnus fallai.  J. Fish Biol. 73: 241-249.

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Sepulveda, C.A., Graham, J.B., and Bernal, D. (2007). Aerobic metabolic rates of swimming mako sharks, Isurus oxyrinchus. Mar. Bio. 152: 1087-1094.

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*Hight, B.V., Holts, D., Graham, J.B., Kennedy, B.P., Taylor, V., Sepulveda, C.A., Bernal, D., Ramon, D., Rasmussen, R, and Lai, Chin, L. (2007). Plasma catecholamine levels as indicators of the post-release survivorship of juvenile pelagic sharks caught on experimental drift longlines in the Southern California Bight. Mar. Fresh. Res. 58, 145-151.

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*Perry, C.N., Cartamil, D.P., Bernal, D., Sepulveda, C.A., Theilmann, R.J., Graham, J.B., and Frank, L.R. (2007) Quantification of red myotomal muscle volume and geometry in the shortfin mako shark (Isurus oxyrinchus) and the salmon shark (Lamna ditropis) using T1-weighted magnetic resonance imaging.  J. Morph. 266: 284-292.

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Bernal, D. Donley, J.M., Shadwick, R.E. and Syme, D.A. (2005). Mammal-like muscles power swimming in a cold-water shark, Nature 437, 1349-1352.

Sepulveda, C.A., Wegner, N.C., Bernal, D. and Graham, J.B. (2005). The red muscle morphology of the thresher sharks (family Alopiidae). J. Exp. Biol. 208, 4255-4261.

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Bernal, D. and Sepulveda, C. (2005). Evidence for temperature elevation in the aerobic swimming musculature of the Common thresher shark, A. vulpinus. Copeia 2005, 146-151.

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Bernal, D., Smith, D., Lopez, G., Weitz, D., Grimminger, T., A., Dickson. K.A. and Graham, J. B. (2003). Comparative studies of high performance swimming in sharks. II.  Metabolic biochemistry of locomotor and myocardial muscle in endothermic and ectothermic sharks. J. Exp. Biol. 206, 2845-2857.

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Bernal, D., Sepulveda, C., Mathieu-Costello, O. and Graham, J. B. (2003). Comparative studies of high performance swimming in sharks: I. Red muscle morphometrics, vascularization, and ultrastructure. J. Exp. Biol.206, 2831-2843.

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Bernal, D., Dickson K. A., Shadwick R. E. & Graham J. B. (2001). Analysis of the evolutionary convergence for high-performance swimming in lamnid sharks and tunas. Comp. Biochem. Physiol. 179:695-726.

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Bernal, D. Sepulveda, C. & Graham, J. B. (2001). Water tunnel studies of heat balance in swimming mako sharks. J. Exp. Biol. 204:4043-4054.

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Bernal D, Dickson, K.A. & Graham J.B (2001).  Convergence for high-performance swimming in lamnid sharks and tunas. Thermoregulation and metabolic biochemistry. Amer. Zool. 40:942-943.