Sonke Johnsen

Professor in the Department of Biology

Office: 
301 Bio Sci Bldg, Durham, NC 27708
Campus Box: 
90338
Phone: 
(919) 660-7321
Fax: 
919-660-7293

Lab Site: http://www.biology.duke.edu/johnsenlab/

Education

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

  • B.A. 1988, Swarthmore College

Papers Published

Disentangling the visual cues used by a jumping spider to locate its microhabitat., 8, 2016
Tedore, C; Johnsen, S, The Journal of experimental biology. 219 vol. (Pt 15); pp. 2396-2401

Polarization vision seldom increases the sighting distance of silvery fish., 8, 2016
Johnsen, S; Gagnon, YL; Marshall, NJ; Cronin, TW; Gruev, V; Powell, S, Current Biology. 26 vol. (16); pp. R752-R754

Modelling colour constancy in fish: implications for vision and signalling in water., 6, 2016
Wilkins, L; Marshall, NJ; Johnsen, S; Osorio, D, The Journal of experimental biology. 219 vol. (Pt 12); pp. 1884-1892

Cuttlefish see shape from shading, fine-tuning coloration in response to pictorial depth cues and directional illumination., 3, 2016
Zylinski, S; Osorio, D; Johnsen, S, Proceedings of the Royal Society of London: Biological Sciences. 283 vol. (1826); pp. 20160062

How to measure color using spectrometers and calibrated photographs., 3, 2016
Johnsen, S, The Journal of experimental biology. 219 vol. (Pt 6); pp. 772-778

Spectral sensitivity, spatial resolution and temporal resolution and their implications for conspecific signalling in cleaner shrimp., 2, 2016
Caves, EM; Frank, TM; Johnsen, S, The Journal of experimental biology. 219 vol. (Pt 4); pp. 597-608

Extraocular, Non-Visual, and Simple Photoreceptors: An Introduction to the Symposium., 11, 2016
Cronin, TW; Johnsen, S, Integrative and Comparative Biology (BioOne). 56 vol. (5); pp. 758-763

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., 11, 2016
Speiser, DI; Gagnon, YL; Chhetri, RK; Oldenburg, AL; Johnsen, S, Integrative and Comparative Biology (BioOne). 56 vol. (5); pp. 796-808

Identification and Ultrastructural Characterization of a Novel Nuclear Degradation Complex in Differentiating Lens Fiber Cells., 1, 2016
Costello, MJ; Brennan, LA; Mohamed, A; Gilliland, KO; Johnsen, S; Kantorow, M, PloS one. 11 vol. (8); pp. e0160785

Aposematic signals in North American black widows are more conspicuous to predators than to prey, 0, 2016
Brandley, N; Johnson, M; Johnsen, S, Behavioral Ecology. 27 vol. (4); pp. 1104-1112

Freezing behaviour facilitates bioelectric crypsis in cuttlefish faced with predation risk., 12, 2015
Bedore, CN; Kajiura, SM; Johnsen, S, Proceedings of the Royal Society of London: Biological Sciences. 282 vol. (1820); pp. 20151886

Corrigendum to "Visual acuity in pelagic fishes and mollusks" [Vis. Res. 92 (2013) 1-9] doi:10.1016/j.visres.2013.08.007, 10, 2015
Gagnon, YL; Sutton, TT; Johnsen, S, Vision Research. 115 pp. 155-156

Immunological dependence of plant-dwelling animals on the medicinal properties of their plant substrates: a preliminary test of a novel evolutionary hypothesis, 10, 2015
Tedore, C; Johnsen, S, Arthropod-Plant Interactions. 9 vol. (5); pp. 437-446

A dynamic broadband reflector built from microscopic silica spheres in the 'disco' clam Ctenoides ales., 9, 2014
Dougherty, LF; Johnsen, S; Caldwell, RL; Marshall, NJ, Journal of the Royal Society Interface. 11 vol. (98); pp. 20140407

Competition for hummingbird pollination shapes flower color variation in Andean solanaceae., 8, 2014
Muchhala, N; Johnsen, S; Smith, SD, Evolution. 68 vol. (8); pp. 2275-2286

Simplifying numerical ray tracing for characterization of optical systems., 7, 2014
Gagnon, YL; Speiser, DI; Johnsen, S, Applied Optics. 53 vol. (21); pp. 4784-4790

Psychophysics and the evolution of behavior., 2014
Akre, KL; Johnsen, S, Trends in Ecology & Evolution. (2014) 29 vol. (5); pp. 291-300

The asymmetry of the underwater horizontal light field and its implications for mirror-based camouflage in silvery pelagic fish, 11, 2014
Johnsen, S; Gassmann, E; Reynolds, RA; Stramski, D; Mobley, C, Limnology and oceanography. 59 vol. (6); pp. 1839-1852

Psychophysics and the evolution of behavior, 1, 2014
Akre, KL; Johnsen, S, Trends in Ecology & Evolution. 29 vol. (5); pp. 291-300

Simplifying numerical ray tracing for characterization of optical systems, 1, 2014
Gagnon, YL; Speiser, DI; Johnsen, S, Applied Optics. 53 vol. (21); pp. 4784-4790

Computational visual ecology in the pelagic realm., 2014
Nilsson, D-E; Warrant, E; Johnsen, S, Philosophical Transactions B. (2014) 369 vol. (1636); pp. 20130038

Hide and seek in the open sea: pelagic camouflage and visual countermeasures., 2014
Johnsen, S, Annual Review of Marine Science. (2014) 6 pp. 369-392

Simplifying numerical ray-tracing for characterizing imaging systems, 2014
Gagnon, Y. L., Speiser, D. I., and S. Johnsen, Applied Optics. (2014) 21 pp. 4784-4790

The giant eyes of giant squid are indeed unexpectedly large, but not if used for spotting sperm whales, 9, 2013
Nilsson, D-E; Warrant, EJ; Johnsen, S; Hanlon, RT; Shashar, N, BMC Evolutionary Biology. 13 pp. 187-189

Pheromones exert top-down effects on visual recognition in the jumping spider Lyssomanes viridis., 2013
Tedore, C; Johnsen, S, The Journal of experimental biology. (2013) 216 vol. (Pt 9); pp. 1744-1756

Ultrastructural analysis of the human lens fiber cell remodeling zone and the initiation of cellular compaction, 11, 2013
Costello, MJ; Mohamed, A; Gilliland, KO; Fowler, WC; Johnsen, S, Experimental Eye Research. 116 pp. 411-418

Visual acuity in pelagic fishes and mollusks., 11, 2013
Gagnon, YL; Sutton, TT; Johnsen, S, Vision Research. 92 pp. 1-9

Vision and the light environment, 11, 2013
Warrant, EJ; Johnsen, S, Current Biology. 23 vol. (22); pp. R990-R994

Simple fixation and storage protocol for preserving the internal structure of intact human donor lenses and extracted human nuclear cataract specimens, 11, 2013
Mohamed, A; Gilliland, KO; Metlapally, S; Johnsen, S; Costello, MJ, Molecular vision. 19 pp. 2352-2359

Autophagy and mitophagy participate in ocular lens organelle degradation, 0, 2013
Costello, MJ; Brennan, LA; Basu, S; Chauss, D; Mohamed, A; Gilliland, KO; Johnsen, S; Menko, AS; Kantorow, M, Experimental Eye Research. 116 pp. 141-150

The male blue crab, Callinectes sapidus, uses both chromatic and achromatic cues during mate choice., 2012
Baldwin, J; Johnsen, S, The Journal of experimental biology. (2012) 215 vol. (Pt 7); pp. 1184-1191

Weaponry, color, and contest success in the jumping spider Lyssomanes viridis., 3, 2012
Tedore, C; Johnsen, S, Behavioural Processes. 89 vol. (3); pp. 203-211

Light and vision in the deep-sea benthos: I. Bioluminescence at 500-1000 m depth in the Bahamian islands., 2012
Johnsen, S; Frank, TM; Haddock, SHD; Widder, EA; Messing, CG, The Journal of experimental biology. (2012) 215 vol. (Pt 19); pp. 3335-3343

Anything that involves a photon and an animal., 1, 2012
Johnsen, S, Current Biology. 22 vol. (1); pp. R6-R7

Light and vision in the deep-sea benthos: II. Vision in deep-sea crustaceans, 0, 2012
Frank, TM; Johnsen, S; Cronin, TW, The Journal of experimental biology. 215 vol. (19); pp. 3344-3353

A highly distributed Bragg stack with unique geometry provides effective camouflage for Loliginid squid eyes (Journal of the Royal Society Interface (2011) 8, (1386-1399) DOI: 10.1098/rsif.2010.0702), 0, 2012
Holt, AL; Sweeney, AM; Johnsen, S; Morse, DE, Journal of the Royal Society Interface. 9 vol. (68); pp. 600-

Autophagy and Mitophagy in the Ocular Lens, 2013
Costello, MJ; Chauss, D; Mohamed, A; Gilliland, KO; Johnsen, S; Bates, M; Brennan, LA; Kantorow, M, Journal of Cell Science. (2013) 116 pp. 141-150

A unique advantage for giant eyes in giant squid, 2012
Nilsson, D-E; Warrant, EJ; Johnsen, S; Hanlon, R; Shashar, N, Current Biology. (2012) 22 vol. (8); pp. 683-688

Eavesdropping on visual secrets, 2013
Brandley, NC; Johnsen, S, Evolutionary Ecology. (2013) 27 vol. (6); pp. 1045-1068

A novel method for comparative analysis of retinal specialization traits from topographic maps, 2012
Moore, BA; Kamilar, JM; Collin, SP; Bininda-Emonds, ORP; Dominy, NJ; Hall, MI; Heesy, CP; Johnsen, S; Lisney, TJ; Loew, ER; Moritz, G; Nava, SS; Warrant, E; Yopak, KE; Fernández-Juricic, E, Journal of vision. (2012) 12 vol. (12);

Light and vision in the deep-sea benthos. II. Special visual adaptations in deep-sea benthic crustaceans, 0, 2012
Frank, TM; Johnsen, S, Journal of Experimental Biology. 215 pp. 3344-3353

Electron tomography of fiber cell cytoplasm and dense cores of multilamellar bodies from human age-related nuclear cataracts, 2012
Costello, MJ; Burette, A; Weber, M; Metlapally, S; Gilliland, KO; Fowler, WC; Mohamed, A; Johnsen, S, Experimental Eye Research. (2012) 101 pp. 72-81

Effects of molting on the visual acuity of the blue crab, Callinectes sapidus., 9, 2011
Baldwin, J; Johnsen, S, The Journal of experimental biology. 214 vol. (Pt 18); pp. 3055-3061

A chiton uses aragonite lenses to form images., 4, 2011
Speiser, DI; Eernisse, DJ; Johnsen, S, Current Biology. 21 vol. (8); pp. 665-670

The effects of salinity and temperature on the transparency of the grass shrimp Palaemonetes pugio., 3, 2011
Bhandiwad, A; Johnsen, S, The Journal of experimental biology. 214 vol. (Pt 5); pp. 709-716

Polarization sensitivity as a contrast enhancer in pelagic predators: lessons from in situ polarization imaging of transparent zooplankton., 3, 2011
Johnsen, S; Marshall, NJ; Widder, EA, Philosophical Transactions B. 366 vol. (1565); pp. 655-670

Spectral sensitivity of the concave mirror eyes of scallops: potential influences of habitat, self-screening and longitudinal chromatic aberration., 2, 2011
Speiser, DI; Loew, ER; Johnsen, S, The Journal of experimental biology. 214 vol. (Pt 3); pp. 422-431

Mesopelagic cephalopods switch between transparency and pigmentation to optimize camouflage in the deep., 11, 2011
Zylinski, S; Johnsen, S, Current Biology. 21 vol. (22); pp. 1937-1941

The function of male-male threat displays in the jumping spider Lyssomanes viridis, 0, 2011
Tedore, CA; Johnsen, S, Behavioural Processes (online for now).

Spectral sensitivity of the concave mirror eyes of scallops: The influence of habitat and longitudinal chromatic aberration, 0, 2011
Speiser, DI; Loew, ER; Johnsen, S, Journal of Experimental Biology. 214 vol. (Pt 3); pp. 422-431

Underwater linear polarization: Physical limitations to biological functions, 0, 2011
Shashar, N; Johnsen, S; Lerner, A; Sabbah, S; Chiao, C-C; Mäthger, LM; Hanlon, RT, Philosophical Transactions B. 366 vol. (1565); pp. 649-654

Twilight spectral dynamics and the coral reef invertebrate spawning response, 0, 2011
Sweeney, AM; Boch, CA; Johnsen, S; Morse, DE, The Journal of experimental biology. 214 vol. (5); pp. 770-777

Chitons eye have calcitic lenses and provide spatial vision, 0, 2011
Speiser, DI; Eernisse, D; Johnsen, S, Current Biology. 21 vol. (8); pp. 665-670

A highly distributed Bragg stack with unique geometry provides effective camouflage for Loliginid squid eyes, 0, 2011
Holt, AL; Sweeney, AM; Johnsen, S; Morse, DE, Journal of the Royal Society Interface. 8 vol. (63); pp. 1386-1399

Orientation to objects in the sea urchin strongylocentrotus purpuratus depends on apparent and not actual object Size, 0, 2011
Jackson, E; Johnsen, S, Biological Bulletin. 220 vol. (2); pp. 86-88

Spatial vision in the purple sea urchin Strongylocentrotus purpuratus (Echinoidea)., 2010
Yerramilli, D; Johnsen, S, The Journal of experimental biology. (2010) 213 vol. (2); pp. 249-255

Multilamellar spherical particles as potential sources of excessive light scattering in human age-related nuclear cataracts, 0, 2010
Costello, MJ; Johnsen, S; Metlapally, S; Gilliland, KO; Frame, L; Balasubramanian, D, Experimental Eye Research. 91 vol. (6); pp. 881-889

The importance of color in mate choice of the blue crab Callinectes sapidus., 11, 2009
Baldwin, J; Johnsen, S, The Journal of experimental biology. 212 vol. (Pt 22); pp. 3762-3768

The evolution of a complex trait: Photoreception in the Metazoa, 0, 2009
Marlow, H; Speiser, DI; Matus, D; Johnsen, S; Seaver, EC; Martindale, MQ, Nature.

Scallops visually respond to the size and speed of virtual particles., 7, 2008
Speiser, DI; Johnsen, S, The Journal of experimental biology. 211 vol. (Pt 13); pp. 2066-2070

Mie light scattering calculations for an Indian age-related nuclear cataract with a high density of multilamellar bodies, 0, 2008
Gilliland, KO; Johnsen, S; Metlapally, S; Costello, MJ; Ramamurthy, B; Krishna, PV; Balasubramanian, D, Molecular vision. 14 pp. 572-582

Comparative visual acuity of coleoid cephalopods (Integrative and Comparative Biology 47, 6, (808-814) DOI: 10.1093/icb/icm092), 0, 2008
Sweeney, AM; Haddock, SHD; Johnsen, S, Integrative and Comparative Biology (BioOne). 48 vol. (1); pp. 158-

Giant Deep-Sea Protist Produces Bilaterian-like Traces, 0, 2008
Matz, MV; Frank, TM; Marshall, NJ; Widder, EA; Johnsen, S, Current Biology. 18 vol. (23); pp. 1849-1854

Comparative morphology of the concave mirror eyes of scallops (Pectinoidea), 2009
Speiser, DI; Johnsen, S, American Malacological Bulletin. (2009) 26 vol. (1-2); pp. 27-33

Ultrastructural analysis of damage to nuclear fiber cell membranes in advanced age-related cataracts from India, 0, 2008
Costello, MJ; Johnsen, S; Metlapally, S; Gilliland, KO; Ramamurthy, B; Krishna, PV; Balasubramanian, D, Experimental Eye Research. 87 vol. (2); pp. 147-158

Analysis of nuclear fiber cell cytoplasmic texture in advanced cataractous lenses from Indian subjects using Debye-Bueche theory, 0, 2008
Metlapally, S; Costello, MJ; Gilliland, KO; Ramamurthy, B; Krishna, PV; Balasubramanian, D; Johnsen, S, Experimental Eye Research. 86 vol. (2); pp. 434-444

Mie Light Scattering Calculations for Multilamellar Bodies in Indian Age-Related Nuclear Cataracts, 0, 2008
Gilliland, KO; Johnsen, S; Metlapally, S; Costello, MJ; Ramamurthy, B; Krishna, PV; Balasubramanian, D, Molecular Vision. 14 pp. 572-582

Magnetoreception in animals, 0, 2008
Johnsen, S; Lohmann, KJ, Physics today. 61 vol. (3); pp. 29-35

Light-dependent magnetoreception: quantum catches and opponency mechanisms of possible photosensitive molecules., 9, 2007
Johnsen, S; Mattern, E; Ritz, T, The Journal of experimental biology. 210 vol. (Pt 18); pp. 3171-3178

Evolution of graded refractive index in squid lenses., 8, 2007
Sweeney, AM; Des Marais, DL; Ban, Y-EA; Johnsen, S, Journal of the Royal Society Interface. 4 vol. (15); pp. 685-698

Comparative visual acuity of coleoid cephalopods., 12, 2007
Sweeney, AM; Haddock, SHD; Johnsen, S, Integrative and Comparative Biology (BioOne). 47 vol. (6); pp. 808-814

Does new technology inspire new directions? Examples drawn from pelagic visual ecology., 12, 2007
Johnsen, S, Integrative and Comparative Biology (BioOne). 47 vol. (6); pp. 799-807

Light scattering by selected zooplankton from the Gulf of Aqaba, 0, 2007
Gagnon, YL; Shashar, N; Warrant, EJ; Johnsen, SJ, The Journal of experimental biology. 210 vol. (21); pp. 3728-3735

Predicted light scattering from particles observed in human age-related nuclear cataracts using mie scattering theory, 0, 2007
Costello, MJ; Johnsen, S; Gilliland, KO; Freel, CD; Fowler, WC, Investigative Ophthalmology and Visual Science. 48 vol. (1); pp. 303-312

Light scattering from pelagic zooplankton: measurements at different angles and modeling corresponding sighting distances, 0, 2007
Gagnon, YL; Shashar, N; Warrant, EJ; Johnsen, S, Journal of Experimental Biology. 210 vol. (21); pp. 3728-3735

Comparative visual acuity of coleoid cephalopods, 0, 2007
Sweeney, A; Haddock, SHD; Johnsen, S, Integrative and Comparative Biology. 47 vol. (808-814); pp. 808-814

A field test of the Hamilton-Zuk hypothesis in the Trinidadian guppy (Poecilia reticulata), 0, 2007
Martin, CH; Johnsen, S, Behavioral Ecology and Sociobiology. 61 vol. (12); pp. 1897-1909

Crepuscular and nocturnal illumination and its effects on color perception by the nocturnal hawkmoth Deilephila elpenor., 3, 2006
Johnsen, S; Kelber, A; Warrant, E; Sweeney, AM; Widder, EA; Lee, RL; Hernández-Andrés, J, The Journal of experimental biology. 209 vol. (Pt 5); pp. 789-800

UV vision and the Feeding Ecology of Juvenile Bluegill Sunfish, Lepomis machrochirus., 0, 2006
Leech, DM; Johnsen, S, Canadian Journal of Fisheries and Aquatic Sciences. 63 vol. (10); pp. 2183-2190

Polarization sensitivity in the red swamp crayfish Procambarus clarkii enhances the detection of moving transparent objects, 0, 2006
Tuthill, JC; Johnsen, S, The Journal of experimental biology. 209 vol. (9); pp. 1612-1616

Ultraviolet vision and foraging in juvenile bluegill (Lepomis macrochirus), 0, 2006
Leech, DM; Johnsen, S, Canadian Journal of Fisheries and Aquatic Sciences. 63 vol. (10); pp. 2183-2190

The physics and neurobiology of magnetoreception., 2005
Johnsen, S; Lohmann, KJ, Nature Reviews Neuroscience. (2005) 6 vol. (9); pp. 703-712

The red and the black: bioluminescence and the color of animals in the deep sea., 2005
Johnsen, S, Integrative and Comparative Biology (BioOne). (2005) 45 vol. (2); pp. 234-246

Visual ecology on the high seas, 2005
Johnsen, S, Marine ecology progress series. (2005) 287 pp. 281-285

Sensory biology: Linking the internal and external ecologies of marine organisms, 0, 2005
Weissburg, MJ; Browman, HI; Fields, DM; Hemmi, JM; Zeil, J; Higgs, DM; Johnsen, S; Mead, KS; Mogdans, J; Nevitt, GA; Bonadonna, F; Walker, MM; Dennis, TE, Marine Ecology Progress Series. 287 pp. 263-307

Propagation and perception of bioluminescence: factors affecting counterillumination as a cryptic strategy., 2004
Johnsen, S; Widder, EA; Mobley, CD, Biological Bulletin. (2004) 207 vol. (1); pp. 1-16

Spatial vision in the echinoid genus Echinometra., 11, 2004
Blevins, E; Johnsen, S, The Journal of experimental biology. 207 vol. (Pt 24); pp. 4249-4253

Distribution, spherical structure and predicted Mie scattering of multilamellar bodies in human age-related nuclear cataracts, 0, 2004
Gilliland, KO; Freel, CD; Johnsen, S; Fowler, WC; Costello, MJ, Experimental Eye Research. 79 vol. (4); pp. 563-576

Shedding light on light in the ocean, 0, 2004
Johnsen, S; Sosik, HM, Oceanus. 43 pp. 24-28

Random distribution of multilamellar bodies in human age-related nuclear cataracts, 2004
Gilliland, KO; Freel, CD; Johnsen, S; Fowler, C; Costello, MJ, Experimental Eye Research. (2004) 79 vol. (4); pp. 563-576

Cataract formation in a strain of rats selected for high oxidative stress, 2004
Marsili, S; Salganik, RI; Albright, CD; Freel, CD; Johnsen, S; Peiffer, RL; Costello, MJ, Experimental Eye Research. (2004) 79 vol. (5); pp. 595-612

Lifting the cloak of invisibility: the effects of changing optical conditions on pelagic crypsis., 2004
Johnsen, S, Integrative and Comparative Biology (BioOne). (2004) 43 vol. (4); pp. 580-590

Insect communication: Polarized light as a butterfly mating signal., 5, 2003
Sweeney, A; Jiggins, C; Johnsen, S, Nature. 423 vol. (6935); pp. 31-32

Responses of hatchling sea turtles to rotational displacements, 0, 2003
Avens, L; Wang, JH; Johnsen, S; Dukes, P; Lohmann, KJ, Journal of Experimental Marine Biology and Ecology. 288 vol. (1); pp. 111-124

Cryptic coloration and mirrored sides as camouflage strategies in near-surface pelagic habitats: Implications for foraging and predator avoidance, 0, 2003
Johnsen, S; Sosik, HM, Limnology and Oceanography. 48 vol. (3); pp. 1277-1288

Cryptic and conspicuous coloration in the pelagic environment., 2, 2002
Johnsen, S, Proceedings of the Royal Society of London: Biological Sciences. 269 vol. (1488); pp. 243-256

Hidden in plain sight: the ecology and physiology of organismal transparency., 2001
Johnsen, S, Biological Bulletin. (2001) 201 vol. (3); pp. 301-318

Ultraviolet absorption in transparent zooplankton and its implications for depth distribution and visual predation, 2001
Johnsen, S; Widder, EA, Marine Biology. (2001) 138 vol. (4); pp. 717-730

Transparent animals., 2000
Johnsen, S, Scientific American. (2000) 282 vol. (2); pp. 80-89

3D spatial point patterns of bioluminescent plankton: A map of the 'mine field', 2000
Widder, EA; Johnsen, S, Journal of Plankton Research. (2000) 22 vol. (3); pp. 409-420

The neurobiology of magnetoreception in vertebrate animals, 2000
Lohmann, KJ; Johnsen, S, Trends in Neurosciences. (2000) 23 vol. (4); pp. 153-159

The physical basis of transparency in biological tissue: Ultrastructure and the minimization of light scattering, 1999
Johnsen, S; Widder, EA, Journal of Theoretical Biology. (1999) 199 vol. (2); pp. 181-198

Light-emitting suckers in an octopus [3], 1999
Johnsen, S; Balser, EJ; Widder, EA, Nature. (1999) 398 vol. (6723); pp. 113-114

Thin layers of bioluminescent copepods found at density discontinuities in the water column, 1999
Widder, EA; Johnsen, S; Bernstein, SA; Case, JF; Neilson, DJ, Marine Biology. (1999) 134 vol. (3); pp. 429-437

Bioluminescence in the deep-sea cirrate octopod Stauroteuthis syrtensis verrill (Mollusca: Cephalopoda), 1999
Johnsen, S; Balser, EJ; Fisher, EC; Widder, EA, Biological Bulletin. (1999) 197 vol. (1); pp. 26-39

Shade-seeking behaviour under polarized light by the brittlestar Ophioderma brevispinum (Echinodermata: Ophiuroidea), 0, 1999
Johnsen, S; Kier, WM, Journal of the Marine Biological Association of the United Kingdom. 79 vol. (4); pp. 761-763

Damage due to solar ultraviolet radiation in the brittlestar Ophioderma brevispinum (Echinodermata: Ophiuroidea), 1998
Johnsen, S; Kier, WM, Journal of the Marine Biological Association of the United Kingdom. (1998) 78 vol. (2); pp. 681-684

Transparency and visibility of gelatinous zooplankton from the Northwestern Atlantic and Gulf of Mexico, 1998
Johnsen, S; Widder, EA, Biological Bulletin. (1998) 195 vol. (3); pp. 337-348

Identification and localization of a possible rhodopsin in the echinoderms Asterias forbesi (asteroidea) and Ophioderma brevispinum (Ophiuroidea), 1997
Johnsen, S, Biological Bulletin. (1997) 193 vol. (1); pp. 97-105

Extraocular sensitivity to polarized light in an echinoderm, 0, 1994
Johnsen, S, Journal of Experimental Biology. 195 pp. 281-291

Coevolution to the edge of chaos: Coupled fitness landscapes, poised states, and coevolutionary avalanches, 1991
Kauffman, SA; Johnsen, S, Journal of Theoretical Biology. (1991) 149 vol. (4); pp. 467-505

Book Chapters:

Visual cognition in deep-sea cephalopods: What we don’t know and why we don’t know it in Cephalopod Cognition, 2014
Zylinski, S; Johnsen, S

Visual Ecology in , 0, 2014
Cronin, T. W., Johnsen, S., Marshall, N. J. and E. J. Warrant

The optics of life: A biologist's guide to light in nature in , 2012
Johnsen, S

Camouflage in marine fish in Animal Camouflage: Mechanisms and Function, 1, 2011
Marshall, J; Johnsen, S

Light, Biological Receptors in Encyclopedia of Inland Waters, 0, 2009
D. M. Leech and S. Johnsen

Light in the rocky shores in Encyclopedia of Tidepools and Rocky Shores, 0, 2007
Cummings, M. M. and S. Johnsen

Neurobiology of magnetoreception in Encyclopedia of Neuroscience, 2004
Johnsen, S., and K. J. Lohmann

Avoidance and UV vision in UV Effects in Aquatic Organisms and Ecosystems, 0, 2003
Leech, D. and S. Johnsen

Papers Submitted

Visual mutual assessment of size in male Lyssomanes viridis jumping spider contests in Behavioral Ecology 2014
Tedore, C; Johnsen, S

A unique apposition compound eye in the mesopelagic hyperiid amphipod paraphronima gracilis in Current Biology 1, 2015
Baldwin Fergus, JL; Johnsen, S; Osborn, KJ

Are all vertebrate retinas configured the same? Implications for the evolution of acute vision. in Proceedings of the Royal Society of London, Series B 0, 2012
Moore, BA; Kamilar, JM; Collin, SP; Bininda Emonds, ORP; Dominy, NJ; Hall, MI; Heesy, CP; Johnsen, S; Lisney, TJ; Loew, ER; Moritz, G; Nava, SS; Warrant, EJ; Yopak, KE; Fernández Jurici, E

Awards

  • 2014 Hilgendorf Lecturer, University of Tübingen, Tübingen, Germany

  • 2014 Miller Institute Symposium Speaker, Miller Institute, Berkeley, CA

  • 2010 Paul Illg Distinguished Lecturer, Friday Harbor Laboratories

  • 2010 Schmidt-Nielsen Memorial Lecturer, Duke University

  • 2006 University Distinguished Teaching Award, Duke University

  • 2005 Julius Thomas Hansen Lecturer, University of California, Berkeley

  • 2001 George A. Bartholomew Award for Research in Comparative Physiology, Society for Integrative and Comparative Biology

  • 1999 Woods Hole Postdoctoral Scholarship, Woods Hole Oceanographic Institution

  • 1997 Harbor Branch Postdoctoral Fellowship, Harbor Branch Institution

  • 1996 Campus-Wide Dissertation Award, University of North Carolina at Chapel Hill

  • 1994 Dissertation Improvement Award, National Science Foundation

  • 1991 Pre-Doctoral Fellowship, National Science Foundation

  • 1990 Merit Fellowship, University of North Carolina at Chapel Hill