John Fleng Steffensen
Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- Published
Effects of exercise training and coronary ablation on swimming performance, heart size, and cardiac enzymes in rainbow trout, Oncorhynchus mykiss
FARRELL, A., JOHANSEN, J., Steffensen, John Fleng, MOYES, C., WEST, T. & SUAREZ, R., 1990, In: Canadian Journal of Zoology. 68, 6, p. 1174-1179Research output: Contribution to journal › Journal article › Research › peer-review
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Coronary ligation reduces maximum sustained swimming speed in Chinook salmon, Oncorhynchus tshawytscha.
Farrell, A. P. & Steffensen, John Fleng, 1987, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 87, 1, p. 35-7 2 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Physiology of Polar Fishes
Farrell, A. P. (ed.) & Steffensen, John Fleng (ed.), 2005, Academic Press. (Fish Physiology).Research output: Book/Report › Book › Research › peer-review
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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
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Plasma FITC-dextran exchange between the primary and secondary circulatory systems in the Atlantic cod, Gadus Morhua.
Fischer, C. & Steffensen, John Fleng, 2008, In: Fish Physiology & Biochemistry. 34, 3, p. 245-9 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Thermal optimum for pikeperch (Sander lucioperca) and the use of ventilation frequency as a predictor of metabolic rate
Frisk, M., Skov, P. V. & Steffensen, John Fleng, 2012, In: Aquaculture. 324-325, p. 151-157 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The effects of temperature on specific dynamic action and ammonia excretion in pikeperch (Sander lucioperca)
Frisk, M., Steffensen, John Fleng & Skov, P. V., 2013, In: Aquaculture. 404-405, p. 65-70 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Energetic extremes in aquatic locomotion by coral reef fishes
Fulton, C. J., Johansen, J. L. & Steffensen, John Fleng, 2013, In: PLoS ONE. 8, 1, 6 p., e54033.Research output: Contribution to journal › Journal article › Research › peer-review
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Excess post-hypoxic oxygen consumption is independent from lactate accumulation in two cyprinid fishes
Genz, J., Jyde, M. B., Svendsen, J. C., Steffensen, John Fleng & Ramløv, H., 2013, In: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology. 165, 1, p. 54-60 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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
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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
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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
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The response of Atlantic cod, Gadus morhua, to progressive hypoxia: fish swimming speed and physiological stress
Herbert, N. A. & Steffensen, John Fleng, 2005, In: Marine Biology. 147, p. 1403-1412Research output: Contribution to journal › Journal article › Research › peer-review
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Whole blood-oxygen binding properties of four cold-temperate marine fishes: blood affinity is independent of pH-dependent binding, routine swimming performance, and environmental hypoxia.
Herbert, N. A., Skov, P. V., Wells, R. M. G. & Steffensen, John Fleng, 2006, In: Physiological and Biochemical Zoology. 79, 5, p. 909-18 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Hypoxia increases the behavioural activity of schooling herring: a response to physiological stress or respiratory distress?
Herbert, N. A. & Steffensen, John Fleng, 2006, In: Marine Biology. 149, 5, p. 1217-1225Research output: Contribution to journal › Journal article › Research › peer-review
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The hypoxia avoidance behaviour of juvenile Atlantic cod (Gadus morhua L.) depends on the provision and pressure level of an O2 refuge
Herbert, N. A., Skjaeraasen, J. E., Nilsen, T., Salvanes, A. G. V. & Steffensen, John Fleng, 2011, In: Marine Biology. 158, 4, p. 737-746 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The interrelated effects of body size and choroids rete development on ocular O2 partial pressure of Atlantic cod (Gadus morhua) and Greenland cod (Gadus ogac).
Herbert, N. A., Steffensen, John Fleng & Jordan, Anders Drud, 2004, In: Polar Biology. 27, p. 748-752Research output: Contribution to journal › Journal article › Research › peer-review
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Proto-cooperation: group hunting sailfish improve hunting success by alternating attacks on grouping prey
Herbert-Read, J. E., Romanczuk, P., Krause, S., Strömbom, D., Couillaud, P., Domenici, P., Kurvers, R. H. J. M., Marras, S., Steffensen, John Fleng, Wilson, A. D. M. & Krause, J., 2016, In: Royal Society of London. Proceedings B. Biological Sciences. 283, 1842, 9 p., 20161671.Research output: Contribution to journal › Journal article › Research › peer-review
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Energy savings in sea bass swimming in a school: measurements of tail beat frequency and oxygen consumption at different swimming speeds
Herskin, J. & Steffensen, John Fleng, 1998, In: Journal of Fish Biology. 53, 2, p. 366-376Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Protein synthesis, growth and energetics in larval herring (Clupea harengus) at different feeding regimes
Houlihan, D. F., Pedersen, B. H., Steffensen, John Fleng & Brechin, J., Jun 1995, In: Fish Physiology & Biochemistry. 14, 3, p. 195-208 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Protein synthesis, growth and energetics in larval herring (Clupea harengus) at different feeding regimes
Houlihan, D. F., Pedersen, B. H., Steffensen, John Fleng & Brechin, J., 1995, In: Fish Physiology & Biochemistry. 14 (3), p. 195-208Research output: Contribution to journal › Journal article › Research › peer-review
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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
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The behavioural and physiological response of Atlantic cod Gadus morhua L. to short-term acute hypoxia
Johansen, J. L., Herbert, N. A. & Steffensen, John Fleng, 2006, In: Journal of Fish Biology. 68, 6, p. 1918-1924 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Kinematics and energetic benefits of schooling in the labriform fish, striped surfperch Embiotoca lateralis
Johansen, J. L., Vaknin, R., Steffensen, John Fleng & Domenici, P., 2010, In: Marine Ecology - Progress Series. 420, p. 221-229 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Winter temperatures decrease swimming performance and limit distributions of tropical damselfishes
Johansen, J. L., Steffensen, John Fleng & Jones, G. P., 2015, In: Conservation Physiology. 3, 1, 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Specific dynamic action in Gadus morhua under normoxia and moderate strong hypoxia
Jordan, A. D. & Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S213Research output: Contribution to journal › Conference abstract in journal › Research
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Growth of Atlantic cod (Gadus morhua L.) with different haemoglobin subtypes when kept near their temperature preferenda
Jordan, A. D., Lampe, J. F., Grisdale-Helland, B., Helland, S. J., Shearer, K. D. & Steffensen, John Fleng, 2006, In: Aquaculture. 257, p. 44-52Research output: Contribution to journal › Journal article › Research › peer-review
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Effects of ration size and hypoxia on specific dynamic action in the cod
Jordan, Anders Drud & Steffensen, John Fleng, 2007, In: Physiological and Biochemical Zoology.Research output: Contribution to journal › Journal article › Research › peer-review
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Does temperature preference relate to the anaerobic capacity of Atlantic cod (Gadus morhua L.) with different haemoglobin phenotype?
Jordan, Anders Drud, Steinhausen, M. F., Herbert, N. A., Grisdale-Helland, B., Helland, S. J. & Steffensen, John Fleng, 2005, In: Marine Biology Research. 1, 6, p. 411-416Research output: Contribution to journal › Journal article › Research › peer-review
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Oxygen consumption of East Siberian cod: no support for the metabolic cold adaptation theory
Jordan, Anders Drud, Jungersen, M. & Steffensen, John Fleng, 2001, In: Journal of Fish Biology. 59, 4, p. 818-823Research output: Contribution to journal › Journal article › Research › peer-review
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Polarfisks fysiologiske tilpasninger
Jordan, Anders Drud & Steffensen, John Fleng, 2006, Arktisk Station 1906 - 2006.: Et centrum for forskning. 1. ed. Danmark: Forlaget Rhodos, p. 286-291.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
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The Effect of Ration Size and Hypoxia on Specific Dynamic Action in the Cod
Jordan, Anders Drud & Steffensen, John Fleng, 2007, In: Physiological and Biochemical Zoology. 80, 2, p. 178-185Research output: Contribution to journal › Journal article › Research › peer-review
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Escape performance in three teleosts from West Greenland
Jordan, Anders Drud, Steffensen, John Fleng & Herbert, N. A., 2004, In: Polar Biology. 28, p. 164-167Research output: Contribution to journal › Journal article › Research › peer-review
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Conservation physiology of marine fishes: advancing the predictive capacity of models
Jørgensen, C., Peck, M. A., Antognarelli, F., Azzurro, E., Burrows, M. T., Cheung, W. W. L., Cucco, A., Holt, R. E., Huebert, K. B., Marras, S., McKenzie, D., Metcalfe, J., Perez-Ruzafa, A., Sinerchia, M., Steffensen, John Fleng, Teal, L. R. & Domenici, P., 2012, In: Biology Letters. 8, 6, p. 900-903 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Aerobic capacity influences the spatial position of individuals within fish schools
Killen, S. S., Marras, S., Steffensen, John Fleng & McKenzie, D., 2012, In: Proceedings of the Royal Society B: Biological Sciences. 279, 1727, p. 357-364 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
- Published
Energetics of median and paired fin swimming, body and caudal fin swimming, and gait transition in parrotfish (Scarus schlegeli) and triggerfish (Rhinecanthus aculeatus).
Korsmeyer, K. E., Steffensen, John Fleng & Herskin, J., 2002, In: Journal of Experimental Biology. 205, Pt 9, p. 1253-63 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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The parasite fauna of Arctogadus glacialis (Peters) (Gadidae) from western and eastern Greenland
Køie, M., Steffensen, John Fleng, Møller, Peter Rask & Christiansen, J. S., 2008, In: Polar Biology. 31, 9, p. 1017-1021 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Har fisk et lymfekarsystem?
Lomholt, J. P. & Steffensen, John Fleng, 1992, In: Naturens Verden. 1, p. 15-21Research output: Contribution to journal › Journal article › Communication
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Severe hypoxia impairs lateralization in a marine teleost fish
Lucon-Xiccato, T., Nati, J. J. H., Blasco, F. R., Johansen, J. L., Steffensen, John Fleng & Domenici, P., 2014, In: Journal of Experimental Biology. 217, 23, p. 4115-4118 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Fish swimming in schools save energy regardless of their spatial position
Marras, S., Killen, S. S., Lindstroem, J., McKenzie, D. J., Steffensen, John Fleng & Domenici, P., 2015, In: Behavioral Ecology and Sociobiology. 69, 2, p. 219-226 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Not so fast: swimming behavior of sailfish during predator-prey interactions using high-speed video and accelerometry
Marras, S., Noda, T., Steffensen, John Fleng, Svendsen, M. B. S., Krause, J., Wilson, A. D. M., Kurvers, R. H. J. M., Herbert-Read, J., Boswell, K. M. & Domenici, P., 2015, In: Integrative and Comparative Biology. 55, 4, p. 719-727 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Tolerance of chronic hypercapnia by the European eel Anguilla anguilla.
McKenzie, D. J., Piccolella, M., Dalla Valle, A. Z., Taylor, E. W., Bolis, C. L. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, Pt 10, p. 1717-26 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 2881
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Embryonic suckling and maternal specializations in the live-bearing teleost Zoarces viviparus
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Fast-starting after a breath: air-breathing motions are kinematically similar to escape responses in the catfish Hoplosternum littorale
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Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla)
Research output: Contribution to journal › Journal article › Research › peer-review
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