John Fleng Steffensen

John Fleng Steffensen

Professor

ORCID: 0000-0002-4477-8039

Publication year:
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1 - 50 out of 233Page size: 50
  1. 2024
  2. Published

    The rostral micro-tooth morphology of blue marlin, Makaira nigricans

    Pacher, K., Breuker, M., Hansen, M. J., Kurvers, R. H. J. M., Häge, J., Dhellemmes, F., Domenici, P., Steffensen, John Fleng, Krause, S., Hildebrandt, T., Fritsch, G., Bach, P., Sabarros, P. S., Zaslansky, P., Mahlow, K., Müller, J., Armas, R. G., Ortiz, H. V., Galván-Magaña, F. & Krause, J., 2024, In: Journal of Fish Biology. 104, 3, p. 713-722 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. 2023
  4. E-pub ahead of print

    A novel protocol for rapid deployment of heart rate data storage tags in Atlantic bluefin tuna Thunnus thynnus reveals cardiac responses to temperature and feeding

    Rouyer, T., Bonhommeau, S., Bernard, S., Kerzerho, V., Derridj, O., Bjarnason, Allal, H., Steffensen, John Fleng, Deguara, S., Wendling, B., Bal, G., Thambithurai, D. & Mckenzie, D. J., 2023, (E-pub ahead of print) In: Journal of Fish Biology.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Bowhead NEIL1: molecular cloning, characterization, and enzymatic properties

    Holm, S., Larsen, R. M., Holst, C. M., Heide-Jørgensen, M. P., Steffensen, John Fleng, Stevnsner, T. & Larsen, K., 2023, In: Biochimie. 206, p. 136-149 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Model of Oxygen Conditions within Aquaculture Sea Cages

    Bergsson, H., Svendsen, M. B. S. & Steffensen, John Fleng, 2023, In: Biology. 12, 11, 17 p., 1408.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Physiological effects of temperature on Greenland halibut Reinhardtius hippoglossoides shows high vulnerability of Arctic stenotherms to global warming

    Ruth, A., Svendsen, M. B. S., Nygaard, R., Christensen, E. A. F., Bushnell, P. G. & Steffensen, John Fleng, 2023, In: Journal of Fish Biology. 103, 3, p. 675-683 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    The Influence of Body Size on Behavioral Thermal Preference in Atlantic Cod (Gadus morhua): Larger Fish Favor Colder Waters

    Schakmann, M., Christensen, E. A. F., Steffensen, John Fleng & Svendsen, M. B. S., 2023, In: Fishes. 8, 12, 11 p., 596.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. 2022
  10. Published

    Escaping from multiple visual threats: modulation of escape responses in Pacific staghorn sculpin (Leptocottus armatus)

    Kimura, H., Pfalzgraff, T., Levet, M., Kawabata, Y., Steffensen, John Fleng, Johansen, J. L. & Domenici, P., 2022, In: The Journal of Experimental Biology. 225, 9, 9 p., jeb243328.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Lacunae rostralis: A new structure on the rostrum of sailfish Istiophorus platypterus

    Häge, J., Hansen, M. J., Pacher, K., Dhellemmes, F., Domenici, P., Steffensen, John Fleng, Breuker, M., Krause, S., Hildebrandt, T. B., Fritsch, G., Bach, P., Sabarros, P. S., Zaslansky, P., Mahlow, K., Schauer, M., Müller, J. & Krause, J., 2022, In: Journal of Fish Biology. 100, 5, p. 1205-1213 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. 2021
  13. Published

    Intraspecific variation in thermal tolerance differs between tropical and temperate fishes

    Nati, J. J. H., Svendsen, M. B. S., Marras, S., Killen, S. S., Steffensen, John Fleng, McKenzie, D. J. & Domenici, P., 2021, In: Scientific Reports. 11, 8 p., 21272.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Latency of mechanically stimulated escape responses in the Pacific spiny dogfish, Squalus suckleyi

    Schakmann, M., Becker, V., Søgaard, M., Johansen, J. L., Steffensen, John Fleng & Domenici, P., 2021, In: Journal of Experimental Biology. 224, 6 p., jeb230698.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Physiological traits of the Greenland shark Somniosus microcephalus obtained during the TUNU-Expeditions to Northeast Greenland

    Di Prisco, G., Ademollo, N., Ancora, S., Christiansen, J. S., Coppola, D., Corsolini, S., Ferrando, S., Ghigliotti, L., Giordano, D., Lynghammar, A., Nielsen, J., Pisano, E., Russo, R., Steffensen, John Fleng & Verde, C., 2021, Life in Extreme Environments: Insights in Biological Capability. Di Prisco, G., Edwards, H. G. M., Elster, J. & Huiskes, A. H. L. (eds.). Cambridge University Press, p. 11-41 (Ecological Reviews).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  16. Published

    Population ecology, growth, and physico-chemical habitat of anadromous European perch Perca fluviatilis

    Christensen, E. A. F., Svendsen, M. B. S. & Steffensen, John Fleng, 2021, In: Estuarine, Coastal and Shelf Science. 249, 8 p., 107091.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Regulate or tolerate: Thermal strategy of a coral reef flat resident, the epaulette shark, Hemiscyllium ocellatum

    Nay, T. J., Longbottom, R. J., Gervais, C. R., Johansen, J. L., Steffensen, John Fleng, Rummer, J. L. & Hoey, A. S., 2021, In: Journal of Fish Biology. 98, 3, p. 723-732 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Shuttle-box systems for studying preferred environmental ranges by aquatic animals

    Christensen, E. A. F., Andersen, L. E. J., Bergsson, H., Steffensen, John Fleng & Killen, S. S., 2021, In: Conservation Physiology. 9, 1, 21 p., coab028.

    Research output: Contribution to journal › Review › Research › peer-review

  19. Published

    Species interactions alter the selection of thermal environment in a coral reef fish

    Nay, T. J., Johansen, J. L., Rummer, J. L., Steffensen, John Fleng & Hoey, A. S., 2021, In: Oecologia. 196, 2, p. 363-371 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. 2020
  21. Published

    Assessing the reproductive biology of the Greenland shark (Somniosus microcephalus)

    Nielsen, J., Hedeholm, R. B., Lynghammar, A., McClusky, L. M., Berland, B., Steffensen, John Fleng & Christiansen, J. S., 2020, In: PLoS ONE. 15, 10, 22 p., e0238986.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Bidirectional cyclical flows increase energetic costs of station holding for a labriform swimming fish, Cymatogaster aggregata

    Luongo, S. M., Ruth, A., Gervais, C. R., Korsmeyer, K. E., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, 2020, In: Conservation Physiology. 8, 1, 11 p., coaa077.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Habitat complexity influences selection of thermal environment in a common coral reef fish

    Nay, T. J., Johansen, J. L., Rummer, J. L., Steffensen, John Fleng, Pratchett, M. S. & Hoey, A. S., 2020, In: Conservation Physiology. 8, 1, 9 p., coaa070.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Linking hunting weaponry to attack strategies in sailfish and striped marlin

    Hansen, M. J., Krause, S., Breuker, M., Kurvers, R. H. J. M., Dhellemmes, F., Viblanc, P. E., Müller, J., Mahlow, C., Boswell, K., Marras, S., Domenici, P., Wilson, A. D. M., Herbert-Read, J. E., Steffensen, John Fleng, Fritsch, G., Hildebrandt, T. B., Zaslansky, P., Bach, P., Sabarros, P. S. & Krause, J., 2020, In: Proceedings of the Royal Society B: Biological Sciences. 287, 1918, 9 p., 20192228.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Oil gland and oil pores in billfishes: in search of a function

    Dhellemmes, F., Hansen, M. J., Bouet, S. D., Videler, J. J., Domenici, P., Steffensen, John Fleng, Hildebrandt, T., Fritsch, G., Bach, P., Sabarros, P. S., Krüger, A., Kurvers, R. H. J. M. & Krause, J., 2020, In: The Journal of Experimental Biology. 223, 7 p., jeb224956.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Swimming in unsteady water flows: is turning in a changing flow an energetically expensive endeavor for fish?

    Schakmann, M., Steffensen, John Fleng, Bushnell, P. G. & Korsmeyer, K. E., 2020, In: The Journal of Experimental Biology. 223, 6, 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    The combined effect of body size and temperature on oxygen consumption rates and the size-dependency of preferred temperature in European perch Perca fluviatilis

    Christensen, E. A. F., Svendsen, M. B. S. & Steffensen, John Fleng, 2020, In: Journal of Fish Biology. 97, 3, p. 794-803

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. 2019
  29. Published

    Advancing Research for the Management of Long-Lived Species: A Case Study on the Greenland Shark

    Edwards, J. E., Hiltz, E., Broell, F., Bushnell, P. G., Campana, S. E., Christiansen, J. S., Devine, B. M., Gallant, J. J., Hedges, K. J., MacNeil, M. A., McMeans, B. C., Nielsen, J., Præbel, K., Skomal, G. B., Steffensen, John Fleng, Walter, R. P., Watanabe, Y. Y., VanderZwaag, D. L. & Hussey, N. E., 2019, In: Frontiers in Marine Science. 6, p. 1-27 87.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Are all bony fishes oxygen regulators? Evidence for oxygen regulation in a putative oxygen conformer, the swamp eel Synbranchus marmoratus

    Svendsen, M. B. S., Johansen, J. L., Bushnell, P. G., Skov, P. V., Norin, T., Domenici, P., Steffensen, John Fleng & Abe, A., 2019, In: Journal of Fish Biology. 94, 1, p. 178-182

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Dermal Denticles of Three Slowly Swimming Shark Species: Microscopy and Flow Visualization

    Feld, K., Kolborg, Anne Noer, Nyborg, C. M., Salewski, M., Steffensen, John Fleng & Berg-Sørensen, K., 2019, In: Biomimetics. 4, 2, 20 p., 38.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Excess postexercise oxygen consumption decreases with swimming duration in a labriform fish: integrating aerobic and anaerobic metabolism across time

    Cordero, G. A., Methling, C., Tirsgaard, B., Steffensen, John Fleng, Domenici, P. & Svendsen, J. C., 2019, In: Journal of Experimental Zoology. Part A: Ecological and Integrative Physiology . 331, 10, p. 577-586 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    Greenland Shark (Somniosus microcephalus) Stomach Contents and Stable Isotope Values Reveal an Ontogenetic Dietary Shift

    Nielsen, J., Christiansen, J. S., Grønkjær, P., Bushnell, P., Steffensen, John Fleng, Kiilerich, H. O., Præbel, K. & Hedeholm, R., 2019, In: Frontiers in Marine Science. 6, p. 1-11 125.

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Intra-Specific Difference in the Effect of Salinity on Physiological Performance in European Perch (Perca fluviatilis) and Its Ecological Importance for Fish in Estuaries

    Christensen, E. A. F., Stieglitz, J. D., Grosell, M. & Steffensen, John Fleng, 2019, In: Biology. 8, 4, 17 p., 89.

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Intussusceptive Vascular Remodeling Precedes Pathological Neovascularization

    Ali, Z., Mukwaya, A., Biesemeier, A., Ntzouni, M., Ramsköld, D., Giatrellis, S., Mammadzada, P., Cao, R., Lennikov, A., Marass, M., Gerri, C., Hildesjö, C., Taylor, M., Deng, Q., Peebo, B., del Peso, L., Kvanta, A., Sandberg, R., Schraermeyer, U., Andre, H. & 5 others, Steffensen, John Fleng, Lagali, N., Cao, Y., Kele, J. & Jensen, L. D., 2019, In: Arteriosclerosis, Thrombosis, and Vascular Biology. 39, 7, p. 1402-1418

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Maximum salinity tolerance and osmoregulatory capabilities of European perch Perca fluviatilis populations originating from different salinity habitats

    Christensen, E. A. F., Grosell, M. & Steffensen, John Fleng, 2019, In: Conservation Physiology. 7, 1, p. 1-5 coz004.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Respiratory Physiology of European Plaice (Pleuronectes platessa) Exposed to Prymnesium parvum

    Bergsson, H., Andersen, N. R., Svendsen, M. B. S., Hansen, Per Juel & Steffensen, John Fleng, 2019, In: Fishes. 4, 2, 13 p., 32.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. 2018
  39. Published

    Blood pressure in the Greenland shark as estimated from ventral aortic elasticity

    Shadwick, R. E., Bernal, D., Bushnell, P. G. & Steffensen, John Fleng, Oct 2018, In: Journal of Experimental Biology. 221, 19, p. 1-6 jeb186957.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Effects of salinity on swimming performance and oxygen consumption rate of shiner perch Cymatogaster aggregata

    Christensen, E. A. F., Illing, B., Iversen, N. S., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, Jul 2018, In: Journal of Experimental Marine Biology and Ecology. 504, p. 32-37 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Effects of harmful algal blooms on fish: insights from Prymnesium parvum

    Svendsen, M. B. S., Andersen, N. G., Hansen, Per Juel & Steffensen, John Fleng, 2018, In: Fishes. 3, 1, 12 p., 11.

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    The emergence emergency: a mudskipper's response to temperatures

    Nay, T. J., Gervais, C. R., Hoey, A. S., Johansen, J. L., Steffensen, John Fleng & Rummer, J. L., 2018, In: Journal of Thermal Biology. 78, p. 65-72

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Too hot to handle? Using movement to alleviate effects of elevated temperatures in a benthic elasmobranch, Hemiscyllium ocellatum

    Gervais, C. R., Nay, T. J., Renshaw, G., Johansen, J. L., Steffensen, John Fleng & Rummer, J. L., 2018, In: Marine Biology. 165, 11, p. 1-12 162.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Turbulent flow reduces oxygen consumption in the labriform swimming shiner perch, Cymatogaster aggregata

    van der Hoop, J. M., Byron, M. L., Ozolina, K., Miller, D. L., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, 2018, In: Journal of Experimental Biology. 221, 11, p. 1-11 jeb168773.

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. 2017
  46. Published

    Blood O2 affinity of a large polar elasmobranch, the Greenland shark Somniosus microcephalus

    Herbert, N. A., Skov, P. V., Tirsgård, B., Bushnell, P. G., Brill, R. W., Clark, C. H. & Steffensen, John Fleng, Nov 2017, In: Polar Biology. 40, 11, p. 2297-2305 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Injury-mediated decrease in locomotor performance increases predation risk in schooling fish

    Krause, J., Herbert-Read, J. E., Seebacher, F., Domenici, P., Wilson, A. D. M., Marras, S., Svendsen, M. B. S., Strömbom, D., Steffensen, John Fleng, Krause, S., Viblanc, P. E., Couillaud, P., Bach, P., Sabarros, P. S., Zaslansky, P. & Kurvers, R. H. J. M., 19 Aug 2017, In: Philosophical Transactions of the Royal Society B: Biological Sciences. 372, 1727, 8 p., 20160232.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    The effect of hypoxia on fish schooling

    Domenici, P., Steffensen, John Fleng & Marras, S., 19 Aug 2017, In: Philosophical Transactions of the Royal Society B: Biological Sciences. 372, 1727, 13 p., 20160236.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    The angular position of a refuge affects escape responses in staghorn sculpin Leptocottus armatus

    Shi, X., Møller, J. S., Højgaard, J., Johansen, J. L., Steffensen, John Fleng, Liu, D. & Domenici, P., Jun 2017, In: Journal of Fish Biology. 90, 6, p. 2434-2442 9 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  50. Published

    Plasma osmolality and oxygen consumption of perch Perca fluviatilis in response to different salinities and temperatures

    Christensen, E. A. F., Svendsen, M. B. S. & Steffensen, John Fleng, Mar 2017, In: Journal of Fish Biology. 90, 3, p. 819-833 15 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  51. Published

    Characterization of the functional and anatomical differences in the atrial and ventricular myocardium from three species of elasmobranch fishes: smooth dogfish (Mustelus canis), sandbar shark (Carcharhinus plumbeus), and clearnose skate (Raja eglanteria)

    Larsen, J., Bushnell, P., Steffensen, John Fleng, Pedersen, M., Qvortrup, Klaus & Brill, R., Feb 2017, In: Journal of Comparative Physiology B: Biochemical, Systems, and Environmental Physiology. 187, 2, p. 291-313 23 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  52. Published

    To scale or not to scale: a perspective on describing fish energy budgeting

    Svendsen, M. B. S., Christensen, E. A. F. & Steffensen, John Fleng, 1 Jan 2017, In: Conservation Physiology. 5, 1, 10 p., cox056.

    Research output: Contribution to journal › Journal article › Research › peer-review

  53. Published

    Adapt, move or die - how will tropical coral reef fishes cope with ocean warming?

    Habary, A., Johansen, J. L., Nay, T. J., Steffensen, John Fleng & Rummer, J. L., 2017, In: Global Change Biology. 23, 2, p. 566-577 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  54. Published

    Optimum temperature of a northern population of Arctic charr (Salvelinus alpinus) using heart rate Arrhenius breakpoint analysis

    Hansen, A. K., Byriel, David Bille, R. Jensen, M., Steffensen, John Fleng & Svendsen, M. B. S., 2017, In: Polar Biology. 40, 5, p. 1063-1070 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  55. Published

    The Evolution of Lateralization in Group Hunting Sailfish

    Kurvers, R. H. J. M., Krause, S., Viblanc, P. E., Herbert-Read, J. E., Zaslansky, P., Domenici, P., Marras, S., Steffensen, John Fleng, Svendsen, M. B. S., Wilson, A. D. M., Couillaud, P., Boswell, K. M. & Krause, J., 2017, In: Current Biology. 27, 4, p. 521-526 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  56. Published

    The Greenland shark: a new challenge for the oxidative stress theory of ageing?

    Costantini, D., Smith, S., Killen, S. S., Nielsen, J. & Steffensen, John Fleng, 2017, In: Comparative Biochemistry and Physiology. Part A: Molecular & Integrative Physiology. 203, p. 227-232 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  57. 2016
  58. Published

    Eye lens radiocarbon reveals centuries of longevity in the Greenland shark (Somniosus microcephalus)

    Nielsen, J., Hedeholm, R. B., Heinemeier, J., Bushnell, P. G., Christiansen, J. S., Olsen, J., Ramsey, C. B., Brill, R. W., Simon, M., Steffensen, K. F. & Steffensen, John Fleng, 12 Aug 2016, In: Science (New York, N.Y.). 353, 6300, p. 702-4 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. Published

    Conservation physiology of marine fishes: state of the art and prospects for policy

    McKenzie, D. J., Axelsson, M., Chabot, D., Claireaux, G., Cooke, S. J., Corner, R. A., De Boeck, G., Domenici, P., Guerreiro, P. M., Hamer, B., Jørgensen, C., Killen, S. S., Lefevre, S., Marras, S., Michaelidis, B., Nilsson, G. E., Peck, M. A., Perez-Ruzafa, A., Rijnsdorp, A. D., Shiels, H. A. & 9 others, Steffensen, John Fleng, Svendsen, J. C., Svendsen, M. B. S., Teal, L. R., van der Meer, J., Wang, T., Wilson, J. M., Wilson, R. W. & Metcalfe, J. D., 2016, In: Conservation Physiology. 4, 1, 20 p., cow046.

    Research output: Contribution to journal › Review › Research › peer-review

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