J. F. Steffensen

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

J. F. Steffensen · Fish Physiology and Biochemistry · 1989 · 574 citations

Aquatic Breathers, Pulmonary Circulation, Physiology +4

Eye lens radiocarbon reveals centuries of longevity in the Greenland shark ( <i>Somniosus microcephalus</i> )

Julius Nielsen, Rasmus Hedeholm, Jan Heinemeier et al. · Science · 2016 · 347 citations · Full text

Biology, Radiocarbon Reveals Centuries, Eye Lens +9

Effects of temperature, hypoxia and activity on the metabolism of juvenile Atlantic cod

Hendrik Schürmann, J. F. Steffensen · Journal of Fish Biology · 1997 · 309 citations · Full text

Engineering, Fitness, Marine Chemistry +18

Fish swimming in schools save energy regardless of their spatial position

Stefano Marras, Shaun S. Killen, Jan Lindström et al. · Behavioral Ecology and Sociobiology · 2014 · 289 citations · Full text

Aerobic capacity influences the spatial position of individuals within fish schools

Shaun S. Killen, Stefano Marras, J. F. Steffensen et al. · Proceedings of the Royal Society B Biological Sciences · 2011 · 270 citations · Full text

Fishery Assessment, Physical Activity, Fitness +20