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

Marshall, Justin, and Sonke Johnsen. “Fluorescence as a means of colour signal enhancement..” Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences 372, no. 1724 (July 2017). https://doi.org/10.1098/rstb.2016.0335. Full Text

Taylor, Brian K., Sönke Johnsen, and Kenneth J. Lohmann. “Detection of magnetic field properties using distributed sensing: a computational neuroscience approach..” Bioinspiration & Biomimetics 12, no. 3 (May 19, 2017). https://doi.org/10.1088/1748-3190/aa6ccd. Full Text

Caves, Eleanor M., Tracey T. Sutton, and Sönke Johnsen. “Visual acuity in ray-finned fishes correlates with eye size and habitat..” The Journal of Experimental Biology 220, no. Pt 9 (May 2017): 1586–96. https://doi.org/10.1242/jeb.151183. Full Text Open Access Copy

Cronin, Thomas W., Jeffry I. Fasick, Lorian E. Schweikert, Sönke Johnsen, Lorren J. Kezmoh, and Mark F. Baumgartner. “Coping with copepods: do right whales (Eubalaena glacialis) forage visually in dark waters?.” Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences 372, no. 1717 (April 2017). https://doi.org/10.1098/rstb.2016.0067. Full Text

Thomas, Kate N., Bruce H. Robison, and Sönke Johnsen. “Two eyes for two purposes: in situ evidence for asymmetric vision in the cockeyed squids Histioteuthis heteropsis and Stigmatoteuthis dofleini..” Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences 372, no. 1717 (April 2017). https://doi.org/10.1098/rstb.2016.0069. Full Text

Fitak, Robert R., Benjamin R. Wheeler, David A. Ernst, Kenneth J. Lohmann, and Sönke Johnsen. “Candidate genes mediating magnetoreception in rainbow trout (Oncorhynchus mykiss)..” Biology Letters 13, no. 4 (April 2017). https://doi.org/10.1098/rsbl.2017.0142. Full Text

Tedore, Cynthia, and Sönke Johnsen. “Using RGB displays to portray color realistic imagery to animal eyes..” Current Zoology 63, no. 1 (February 2017): 27–34. https://doi.org/10.1093/cz/zow076. Full Text

Cronin, Thomas W., and Sönke Johnsen. “Extraocular, Non-Visual, and Simple Photoreceptors: An Introduction to the Symposium..” Integrative and Comparative Biology 56, no. 5 (November 2016): 758–63. https://doi.org/10.1093/icb/icw106. Full Text

Speiser, Daniel I., Yakir Luc Gagnon, Raghav K. Chhetri, Amy L. Oldenburg, and Sönke Johnsen. “Examining the Effects of Chromatic Aberration, Object Distance, and Eye Shape on Image-Formation in the Mirror-Based Eyes of the Bay Scallop Argopecten irradians..” Integrative and Comparative Biology 56, no. 5 (November 2016): 796–808. https://doi.org/10.1093/icb/icw099. Full Text

Pages

Brandley, N. C., M. G. Johnson, and S. Johnsen. “Reduction of an aposematic signal: the role of microhabitat in North American black widows (Latrodectus).” In Integrative and Comparative Biology, 53:E22–E22. OXFORD UNIV PRESS INC, 2013.

Brandley, N. C., and S. Johnsen. “The black widow's hourglass: a covert aposematic signal?.” In Integrative and Comparative Biology, 52:E19–E19. OXFORD UNIV PRESS INC, 2012.

Johnsen, S., and N. J. Marshall. “Through the looking glass: Are silvery fish safe from viewers with polarization vision?.” In Integrative and Comparative Biology, 52:E87–E87. OXFORD UNIV PRESS INC, 2012.

Speiser, D., Y. L. Gagnon, R. K. Chhetri, A. L. Oldenburg, and S. Johnsen. “Optical coherence tomography (OCT) reveals that scallop eyes may have bifocal optics.” In Integrative and Comparative Biology, 52:E165–E165. OXFORD UNIV PRESS INC, 2012.

Zylinski, S., and S. Johnsen. “CAMOUFLAGE WITHOUT COMPROMISE: CEPHALOPODS SWITCH BETWEEN TRANSPARENCY AND PIGMENTATION TO OPTIMIZE CRYPSIS IN THE DEEP.” In Journal of Shellfish Research, 30:1023–1023. NATL SHELLFISHERIES ASSOC, 2011.

Speiser, D., and S. Johnsen. “Seeing through rocks: Chitons use calcium carbonate lenses to form images.” In Integrative and Comparative Biology, 51:E130–E130. OXFORD UNIV PRESS INC, 2011.

Baldwin, Fergus J. L., and S. Johnsen. “When love is blind: Vision constrained by molting during mating in the female blue crab.” In Integrative and Comparative Biology, 51:E6–E6. OXFORD UNIV PRESS INC, 2011.

Johnsen, S., and N. J. Marshall. “Using sunglasses to find the best burger in town: Polarization vision as a camouflage breaker in pelagic predators.” In Integrative and Comparative Biology, 51:E64–E64. OXFORD UNIV PRESS INC, 2011.

Speiser, D., E. R. Loew, and S. Johnsen. “Spectral sensitivity of the concave mirror eyes of scallops: The influence of habitat and longitudinal chromatic aberration.” In Integrative and Comparative Biology, 50:E166–E166. OXFORD UNIV PRESS INC, 2010.

Baldwin, J. L., and S. Johnsen. “Does this color make my claws look phat? Evaluating claw color preferences in male blue crabs, Callinectes sapidus.” In Integrative and Comparative Biology, 50:E7–E7. OXFORD UNIV PRESS INC, 2010.

Pages