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 at Chapel Hill 1996

  • B.A., Swarthmore College 1988

Caves, EM, Green, PA, and Johnsen, S. "Mutual visual signalling between the cleaner shrimp Ancylomenes pedersoni and its client fish." Proceedings. Biological Sciences 285, no. 1881 (June 2018). Full Text

Arniella, MB, Fitak, RR, and Johnsen, S. "Unmapped sequencing reads identify additional candidate genes linked to magnetoreception in rainbow trout." Environmental Biology of Fishes 101, no. 5 (May 2018): 711-721. Full Text

Caves, EM, Brandley, NC, and Johnsen, S. "Visual Acuity and the Evolution of Signals." Trends in Ecology & Evolution 33, no. 5 (May 2018): 358-372. (Review) Full Text

Caves, EM, and Johnsen, S. "AcuityView: An r package for portraying the effects of visual acuity on scenes observed by an animal." Methods in Ecology and Evolution 9, no. 3 (March 1, 2018): 793-797. Full Text

Schweikert, LE, Fitak, RR, and Johnsen, S. "De novo transcriptomics reveal distinct phototransduction signaling components in the retina and skin of a color-changing vertebrate, the hogfish (Lachnolaimus maximus)." Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology (February 28, 2018). Full Text

Bracken-Grissom, H, Widder, E, Johnsen, S, Messing, C, and Frank, T. "Decapod diversity associated with deep-sea octocorals in the Gulf of Mexico." Crustaceana 91, no. 10 (January 1, 2018): 1267-1275. (Review) Full Text

Haddock, SHD, Christianson, LM, Francis, WR, Martini, S, Dunn, CW, Pugh, PR, Mills, CE, Osborn, KJ, Seibel, BA, Choy, CA, Schnitzler, CE, Matsumoto, GI, Messié, M, Schultz, DT, Winnikoff, JR, Powers, ML, Gasca, R, Browne, WE, Johnsen, S, Schlining, KL, von Thun, S, Erwin, BE, Ryan, JF, and Thuesen, EV. "Insights into the biodiversity, behavior, and bioluminescence of deep-sea organisms using molecular and maritime technology." Oceanography 30, no. 4 (December 1, 2017): 38-47. Full Text

Fitak, RR, and Johnsen, S. "Bringing the analysis of animal orientation data full circle: model-based approaches with maximum likelihood." The Journal of Experimental Biology 220, no. Pt 21 (November 2017): 3878-3882. Full Text

Bagge, LE, Kinsey, ST, Gladman, J, and Johnsen, S. "Transparent anemone shrimp (Ancylomenes pedersoni) become opaque after exercise and physiological stress in correlation with increased hemolymph perfusion." The Journal of experimental biology 220, no. Pt 22 (November 2017): 4225-4233. Full Text

Marshall, J, and Johnsen, S. "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). (Review) Full Text



Selected Grants

Mathematical Model of the Visual Abilities of Sea Turtles and Pelagic Fishes awarded by National Oceanic and Atmospheric Administration (Principal Investigator). 2003