Sonke Johnsen

Professor of Biology

301 Bio Sci Bldg, Durham, NC 27708
Campus Box: 
Duke Box 90338, Durham, NC 27708-0338
(919) 660-7321


  • Ph.D., University of North Carolina - Chapel Hill 1996

  • B.A., Swarthmore College 1988

Gagnon, Y. L., N. Shashar, E. J. Warrant, and S. J. Johnsen. “Light scattering by selected zooplankton from the Gulf of Aqaba.The Journal of Experimental Biology 210, no. Pt 21 (November 2007): 3728–35. Full Text

Martin, C. H., and S. Johnsen. “A field test of the Hamilton-Zuk hypothesis in the Trinidadian guppy (Poecilia reticulata).” Behavioral Ecology and Sociobiology 61, no. 12 (October 1, 2007): 1897–1909. Full Text

Johnsen, Sönke, Erin Mattern, and Thorsten Ritz. “Light-dependent magnetoreception: quantum catches and opponency mechanisms of possible photosensitive molecules.The Journal of Experimental Biology 210, no. Pt 18 (September 2007): 3171–78. Full Text

Sweeney, Alison M., David L. Des Marais, Yih-En Andrew Ban, and Sönke Johnsen. “Evolution of graded refractive index in squid lenses.Journal of the Royal Society, Interface 4, no. 15 (August 2007): 685–98. Full Text

Costello, M Joseph, Sönke Johnsen, Kurt O. Gilliland, Christopher D. Freel, and W Craig Fowler. “Predicted light scattering from particles observed in human age-related nuclear cataracts using mie scattering theory.Invest Ophthalmol Vis Sci 48, no. 1 (January 2007): 303–12. Full Text

Sweeney, A., S. H. D. Haddock, and S. Johnsen. “Comparative visual acuity of coleoid cephalopods.” Integrative and Comparative Biology 47, no. 808–814 (2007).

Gagnon, Y. L., N. Shashar, E. J. Warrant, and S. Johnsen. “Light scattering from pelagic zooplankton: measurements at different angles and modeling corresponding sighting distances.” Journal of Experimental Biology 210 (2007): 3728–35.

Leech, D. M., and S. Johnsen. “Ultraviolet vision and foraging in juvenile bluegill (Lepomis macrochirus).” Canadian Journal of Fisheries and Aquatic Sciences 63, no. 10 (October 1, 2006): 2183–90. Full Text

Tuthill, John C., and Sönke Johnsen. “Polarization sensitivity in the red swamp crayfish Procambarus clarkii enhances the detection of moving transparent objects.The Journal of Experimental Biology 209, no. Pt 9 (May 2006): 1612–16. Full Text

Johnsen, Sönke, Almut Kelber, Eric Warrant, Alison M. Sweeney, Edith A. Widder, Raymond L. Lee, and Javier Hernández-Andrés. “Crepuscular and nocturnal illumination and its effects on color perception by the nocturnal hawkmoth Deilephila elpenor.The Journal of Experimental Biology 209, no. Pt 5 (March 2006): 789–800. Full Text