Sonke Johnsen

Professor of Biology

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

Education

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

  • B.A., Swarthmore College 1988

Costello, M Joseph, Lisa A. Brennan, Ashik Mohamed, Kurt O. Gilliland, Sönke Johnsen, and Marc Kantorow. “Identification and Ultrastructural Characterization of a Novel Nuclear Degradation Complex in Differentiating Lens Fiber Cells..” Plos One 11, no. 8 (2016). https://doi.org/10.1371/journal.pone.0160785. Full Text

Bedore, Christine N., Stephen M. Kajiura, and Sönke Johnsen. “Freezing behaviour facilitates bioelectric crypsis in cuttlefish faced with predation risk..” Proceedings. Biological Sciences 282, no. 1820 (December 2015). https://doi.org/10.1098/rspb.2015.1886. Full Text Open Access Copy

Baldwin Fergus, Jamie L., Sönke Johnsen, and Karen J. Osborn. “A unique apposition compound eye in the mesopelagic hyperiid amphipod Paraphronima gracilis..” Current Biology : Cb 25, no. 4 (February 2015): 473–78. https://doi.org/10.1016/j.cub.2014.12.010. Full Text

Palmer, Glenn, and Sönke Johnsen. “Downwelling spectral irradiance during evening twilight as a function of the lunar phase..” Applied Optics 54, no. 4 (February 2015): B85–92. https://doi.org/10.1364/ao.54.000b85. Full Text

Tedore, C., and S. Johnsen. “Visual mutual assessment of size in male Lyssomanes viridis jumping spider contests.” Behavioral Ecology 26, no. 2 (January 1, 2015): 510–18. https://doi.org/10.1093/beheco/aru222. Full Text

Taniguchi, Darcy A. A., Yakir Gagnon, Benjamin R. Wheeler, Sönke Johnsen, and Jules S. Jaffe. “Cuttlefish Sepia officinalis Preferentially Respond to Bottom Rather than Side Stimuli When Not Allowed Adjacent to Tank Walls..” Plos One 10, no. 10 (January 2015). https://doi.org/10.1371/journal.pone.0138690. Full Text

Dougherty, Lindsey F., Sönke Johnsen, Roy L. Caldwell, and N Justin Marshall. “A dynamic broadband reflector built from microscopic silica spheres in the 'disco' clam Ctenoides ales..” Journal of the Royal Society, Interface 11, no. 98 (September 2014). https://doi.org/10.1098/rsif.2014.0407. Full Text

Muchhala, Nathan, Sönke Johnsen, and Stacey Dewitt Smith. “Competition for hummingbird pollination shapes flower color variation in Andean solanaceae..” Evolution; International Journal of Organic Evolution 68, no. 8 (August 2014): 2275–86. https://doi.org/10.1111/evo.12441. Full Text

Pages

Sweeney, A., D. L. Des Marais, A. Ban, and S. Johnsen. “Evolving refractive index: How lens protein evolution contributed to high-resolution squid vision.” In Integrative and Comparative Biology, 45:1080–1080. OXFORD UNIV PRESS INC, 2005.

Tuthill, J. C., and S. Johnsen. “Polarization vision in crayfish enhances motion detection.” In Integrative and Comparative Biology, 45:1204–1204. OXFORD UNIV PRESS INC, 2005.

Johnsen, S., A. Kelber, E. J. Warrant, A. M. Sweeney, E. A. Widder, R. L. Lee, and J. Hernandez-Andres. “The color of night: Twilight and nocturnal illumination and its effects on color perception.” In Integrative and Comparative Biology, 45:1021–1021. OXFORD UNIV PRESS INC, 2005.

Speiser, D. I., and S. Johnsen. “Wavelength-dependent phototaxis as a depth regulating mechanism in a ctenophore.” In Integrative and Comparative Biology, 45:1197–1197. OXFORD UNIV PRESS INC, 2005.

Johnsen, S. “The red and the black: Bioluminescence and the color of animals in the deep sea.” In Integrative and Comparative Biology, 44:578–578. OXFORD UNIV PRESS INC, 2004.

Blevins, E. L., and S. Johnsen. “Spatial vision in the echinoid genus Echinometra.” In Integrative and Comparative Biology, 44:526–526. OXFORD UNIV PRESS INC, 2004.

Sweeney, A., and S. Johnsen. “Evolution of complex optics in squid lenses.” In Integrative and Comparative Biology, 44:649–649. OXFORD UNIV PRESS INC, 2004.

Costello, M. J., K. P. Gilliland, C. D. Freel, W. C. Fowler, and S. Johnsen. “Mie light scattering analysis of human age-related nuclear cataracts.” In Investigative Ophthalmology & Visual Science, 45:U170–U170. ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2004.

Sweeney, A. M., and S. Johnsen. “Biological optical instruments in the deep sea.” In Integrative and Comparative Biology, 43:1016–1016. SOC INTEGRATIVE COMPARATIVE BIOLOGY, 2003.

Johnsen, S. “Troubles in flashlight world: The effects of water turbidity and visual acuity on the success of counterillumination in deep-sea species.” In Integrative and Comparative Biology, 43:808–808. SOC INTEGRATIVE COMPARATIVE BIOLOGY, 2003.

Pages