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

Zylinski, Sarah, D. Osorio, and Sonke Johnsen. “Cuttlefish see shape from shading, fine-tuning coloration in response to pictorial depth cues and directional illumination..” Proceedings. Biological Sciences 283, no. 1826 (March 2016). https://doi.org/10.1098/rspb.2016.0062. Full Text

Caves, Eleanor M., Tamara M. Frank, and Sönke Johnsen. “Spectral sensitivity, spatial resolution and temporal resolution and their implications for conspecific signalling in cleaner shrimp..” The Journal of Experimental Biology 219, no. Pt 4 (February 2016): 597–608. https://doi.org/10.1242/jeb.122275. Full Text Open Access Copy

Brandley, N., M. Johnson, and S. Johnsen. “Aposematic signals in North American black widows are more conspicuous to predators than to prey.” Behavioral Ecology 27, no. 4 (January 1, 2016): 1104–12. https://doi.org/10.1093/beheco/arw014. Full Text

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

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

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