John Fleng Steffensen

John Fleng Steffensen

Professor

ORCID: 0000-0002-4477-8039

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  1. 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

  2. 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

  3. Published

    Behavioural thermoregulation in a temperature-sensitive coral reef fish, the five-lined cardinalfish (Cheilodipterus quinquelineatus)

    Nay, T. J., Johansen, J. L., Habary, A., Steffensen, John Fleng & Rummer, J. L., 2015, In: Coral Reefs. 34, 4, p. 1261-1265 5 p.

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

  4. 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

  5. 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

  6. 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

  7. 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

  8. Published

    Distribution and feeding ecology of the Greenland shark (Somniosus microcephalus) in Greenland waters

    Nielsen, J., Hedeholm, R. B., Simon, M. & Steffensen, John Fleng, 2014, In: Polar Biology. 37, 1, p. 37-46 10 p.

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

  9. Published

    Active predation by Greenland shark Somniosus microcephalus

    Nielsen, J., hedeholm, R., Simon, M. & Steffensen, John Fleng, 2013.

    Research output: Contribution to conference › Conference abstract for conference › Research

  10. Published

    The cost of hovering and forward flight in a nectar-feeding bat, Glossophaga soricina, estimated from aerodynamic theory.

    Norberg, U. M., Kunz, T. H., Steffensen, John Fleng, Winter, Y. & von Helversen, O., 1993, In: Journal of Experimental Biology. 182, p. 207-27 20 p.

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

  11. 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

  12. Published

    Cod could face a breathless future: Inside JEB

    Petersen, M. F. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, p. 211

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

  13. Published

    Preferred temperature of juvenile Atlantic cod Gadus morhua with different haemoglobin genotypes at normoxia and moderate hypoxia.

    Petersen, M. F. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, Pt 2, p. 359-64 5 p.

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

  14. Published

    Excess post-hypoxic oxygen consumption in Atlantic cod Gadus morhua

    Plambech, M., Van Deurs, M., Steffensen, John Fleng, Tirsgård, B. & Behrens, J. W., 2013, In: Journal of Fish Biology. 83, 2, p. 396-403 8 p.

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

  15. Published

    Differential occurrence of immune cells in the primary and secondary vascular systems in rainbow trout, Oncorhynchus mykiss (Walbaum)

    Rasmussen, K. J., Steffensen, John Fleng & Buchmann, Kurt, 2013, In: Journal of Fish Diseases. 36, 7, p. 675-679 5 p.

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

  16. Published

    Unsteady flow affects swimming energetics in a labriform fish (Cymatogaster aggregata)

    Roche, D. G., Taylor, M. K., Binning, S. A., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, 2014, In: Journal of Experimental Biology. 217, p. 414-422 9 p.

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

  17. Published

    Hypoxia-induced metastasis model in embryonic zebrafish

    Rouhi, P., Jensen, L. D., Cao, Z., Hosaka, K., Lanne, T., Wahlberg, E., Steffensen, John Fleng & Cao, Y., 1 Dec 2010, In: Nature Protocols (Print). 5, 12, p. 1911-1918 8 p.

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

  18. 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

  19. Published

    Function and control of the fish secondary vascular system, a contrast to mammalian lymphatic systems

    Rummer, J. L., Wang, S., Steffensen, John Fleng & Randall, D. J., 2014, In: Journal of Experimental Biology. 217, p. 751-757 7 p.

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

  20. 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

  21. Published

    Some errors in respirometry of aquatic breathers: How to avoid and correct for them

    Steffensen, John Fleng, 1989, In: Fish Physiology & Biochemistry. 6, 1, p. 49-59

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

  22. Published

    An automated swimming respirometer

    Steffensen, John Fleng, JOHANSEN, K. & BUSHNELL, P., 1984, In: Comparative Biochemistry and Physiology A. 79, 3, p. 437-440

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

  23. Published

    Ventilation and oxygen consumption in the hagfish, Myxine glutinosa L.

    Steffensen, John Fleng, JOHANSEN, K., SINDBERG, C., Sørensen, J. H. & Møller, J. L., 1984, In: Journal of Experimental Marine Biology and Ecology. 84, 2, p. 173-178

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

  24. Published

    In vivo Observations on a Specialized Microvasculature, the Primary and Secondary Vessels in Fishes

    Steffensen, John Fleng, LOMHOLT, J. & VOGEL, W., 1986, In: Acta Zoologica. 67, 4, p. 193-200

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

  25. Published

    The Transition between Branchial Pumping and Ram Ventilation in Fishes: Energetic Consequences and Dependence on Water Oxygen Tension

    Steffensen, John Fleng, 1985, In: Journal of Experimental Biology. 114, p. 141-150

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

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