Publications
Submitted
Oboti L, Pedraja F, Ritter M, Lohse M, Klette L, Krahe R (reviewed preprint) Why the brown ghost chirps at night. https://elifesciences.org/reviewed-preprints/88287v1
Published
2023
De León LF, Arias CF, Sharpe DMT, Bravo V, González R, Krahe R, Aguilar C (2023) Unraveling the complex phylogeographic history of freshwater fishes in Lower Central America: A study of the electric fish Brachyhypopomus occidentalis. Mol Phylogen Evol 189: 107941. https://doi.org/10.1016/j.ympev.2023.107941
Mucha S, Chapman LJ, Krahe R (2023) Normoxia exposure reduces hemoglobin concentration and gill size in a hypoxia-tolerant tropical freshwater fish. Environ Biol Fish 106:1405–1423. https://doi.org/10.1007/s10641-023-01427-9
2022
Mucha S, Oehlert F, Chapman LJ, Krahe R (2022) A spark in the dark: Uncovering natural activity patterns of mormyrid weakly electric fish. Front Ecol Evol 10:870043. https://doi.org/10.3389/fevo.2022.870043
2021
Mucha S, Chapman LJ*, Krahe R*: The weakly electric fish, Apteronotus albifrons, actively avoids experimentally induced hypoxia. J Comp Physiol 207: 369-379.
(* these authors contributed equally)
http://dx.doi.org/10.1007/s00359-021-01470-w
Toscano-Márquez B*, Oboti L*, Harvey-Girard E, Maler L, Krahe R: Distribution of the cholinergic nuclei in the brain of the weakly electric fish, Apteronotus leptorhynchus: implications for sensory processing. J Comp Neurol 529:1810-1829. https://doi.org/10.1002/cne.25058
2020
Clarke SB, Chapman LJ, Krahe R: The Effect of normoxia exposure on hypoxia tolerance and sensory sampling in swamp-living fish. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 240:j.cbpa.2019.110586.
http://dx.doi.org/10.1016/j.cbpa.2019.110586
Hecht-Höger A, Braun B, Krause E, Meschede A, Krahe R, Voigt CC, Greenwood A, Czirják G (2020) Plasma proteomic profiles differ between European and North American myotid bats colonized by Pseudogymnoascus destructans. Mol Ecol 29: 1745-1755 http://dx.doi.org/10.1111/mec.15437
Henninger J, Sinz F, Krahe R, Benda J: Tracking activity patterns of a multispecies community of gymnotiform weakly electric fish in their neotropical habitat without tagging. J Exp Biol 223:jeb206342. http://dx.doi.org/10.1242/jeb.206342
Moulton TL, Chapman LJ, Krahe R: Effects of hypoxia on aerobic metabolism and active electrosensory acquisition in the African weakly electric fish Marcusenius victoriae (Boulenger, 1906)
J Fish Biol 96:496-505. http://dx.doi.org/10.1111/jfb.14234
2019
Aguilar C, Miller MJ, Loaiza JR, González R, Krahe R, De León LF (2019) Tempo and mode of allopatric divergence in the weakly electric fish Sternopygus dariensis in the Isthmus of Panama.
Scientific Reports 9:18828. http://dx.doi.org/10.1038/s41598-019-55336-y
Aguilar C, Miller MJ, Loaiza JR, Krahe R, De León LF (2019) Mitogenomics of Central American weakly-electric fishes. Gene 686:164-170. http://dx.doi.org/10.1016/j.gene.2018.11.045
Krahe R: Evolutionary drivers of electric signal diversity. In: Carlson BA, Sisneros JA, Fay RR, Popper AN (eds) Electroreception: Fundamental Insights from Comparative Approaches. Springer Handbook of Auditory Research. Springer, New York
Stoddard PK, Tran A, Krahe R (2019) Predation and crypsis in the evolution of electric signaling in weakly electric fishes. Front Ecol Evol 7:264. http://dx.doi.org/10.3389/fevo.2019.00264
2018
Henninger J, Krahe R, Kirschbaum F, Grewe J, Benda J (2018) Statistics of natural communication signals observed in the wild identify important yet neglected stimulus regimes in weakly electric fish.
J Neurosci 38: 5456 –5465. http://dx.doi.org/10.1523/JNEUROSCI.
Ackerly KL, Krahe R, Sanford CP, Chapman LJ (2018) Effects of hypoxia on swimming and sensing in a weakly electric fish. J Exp Biol 221: jeb172130 http://dx.doi.org/10.1242/jeb.172130
Shaw K, Krahe R (2018) Pattern of aromatase mRNA expression in the brain of a weakly electric fish, Apteronotus leptorhynchus. J Chem Neuroanat 90: 70-79.
http://dx.doi.org/10.1016/j.jchemneu.2017.12.009
2017
Ackerly KL, Chapman LJ, Krahe R (2017) Hypoxia acclimation increases novelty response strength during fast-starts in the African mormyrid, Marcusenius victoriae.
Comp Biochem Physiol A 213: 36-45. http://dx.doi.org/10.1016/j.cbpa.2017.08/008
Pollack GS, Krahe R (2017) Peripheral and central mechanisms of signal identification. In: Squire L, Albright T, Bloom F, Gage F, Spitzer N (eds) Reference Module in Neuroscience and Biobehavioral Psychology. Elsevier, Oxford
2016
Fotowat H, Harvey-Girard E, Cheer JF, Krahe R, Maler L (2016) Sub-second sensory-evoked serotonin dynamics and its relation to ongoing communication behavior in a weakly electric fish.
eNeuro 3:e0115-0116: 1-12. http://dx.doi.org/10.1523/ENEURO.0115-16.2016
Picq SC, Alda F, Bermingham E, Krahe R (2016) Drift-driven evolution of electric signals in a Neotropical knifefish. Evolution 70: 2134–2144. http://dx.doi.org/10.1111/evo.13010
Metzen MG, Krahe R, Chacron MJ (2016) Burst firing in the electrosensory system of gymnotiform weakly electric fish: mechanisms and functional roles.
Front Comput Neurosci 10: 81. http://dx.doi.org/10.3389/fncom.2016.00081
Dunlap KD, Tran A, Ragazzi MA, Krahe R, Salazar VL (2016) Predators inhibit brain cell proliferation in natural populations of electric fish, Brachyhypopomus occidentalis.
Proc R Soc Lond B 283: 20152113. http://dx.doi.org/10.1098/rspb.2015.2113
2014
Picq SC, Alda F, Krahe R, Bermingham E (2014) Miocene and Pliocene colonization of the Central American Isthmus by the weakly electric fish Brachyhypopomus occidentalis (Hypopomidae, Gymnotiformes).
J Biogeogr 41: 1520-1532. http://dx.doi.org/10.1111/jbi.12309
Krahe R, Maler L (2014) Neural maps in the electrosensory system of weakly electric fish. Curr Opin Neurobiol 24:13-21. http://dx.doi.org/10.1016/j.conb.2013.08.013
2013
Fotowat H, Harrison RR, Krahe R (2013) Statistics of the electrosensory input in the freely swimming weakly electric fish, Apteronotus leptorhynchus.
J Neurosci 33:13758-13772. http://dx.doi.org/10.1523/JNEUROSCI.0998-13.2013
Alda F, Picq S, De León LF, González R, Walz H, Bermingham E, Krahe R (2013) First record of Gymnotus henni (Albert, Crampton & Maldonado, 2003) in Panama: phylogenetic position and electric signal characterization. Checklist 9: 655-659. http://dx.doi.org/10.15560/9.3.655
Benda J, Grewe J, Krahe R (2013) Neural noise in electrocommunication – from burden to benefits. In: H. Brumm (ed.), Animal Communication and Noise, Animal Signals and Communication 2.
http://dx.doi.org/10.1007/978-3-642-41494-7_12, Springer-Verlag Berlin Heidelberg
Salazar VL, Krahe R, Lewis JE (2013) The energetics of electric organ discharge generation in gymnotiform weakly electric fish. J Exp Biol 216: 2549-2468. http://dx.doi.org/10.1242/jeb.082735
Toscano-Marquez B, Krahe R, Chacron MJ (2013) Neuromodulation of sensory processing in gymnotiform weakly electric fish. J Exp Biol 216: 2442-2450. http://dx.doi.org/10.1242/jeb.082370
Electric fishes: neural systems, behaviour and evolution. Krahe R, Fortune ES (guest editors): Special Issue of J Exp Biol 216 (2013): 2363-2541. http://dx.doi.org/10.1242./jeb.091322
Krahe R, Fortune ES (2013) Electric fishes: neural systems, behaviour and evolution (editorial).
J Exp Biol 216: 2363-2364. http://dx.doi.org/10.1242/jeb.091322
Toscano-Marquez B, Dunn R, Krahe, R (2013) Distribution of muscarinic acetylcholine receptor mRNA in the brain of the weakly electric fish, Apteronotus leptorhynchus.
J Comp Neurol 521: 1054-1072. http://dx.doi.org/10.1002/cne.23218
2012
Cuddy M, Aubin-Horth N, Krahe R (2012) Electrocommunication behaviour and non invasively-measured androgen changes following induced seasonal breeding in the weakly electric fish, Apteronotus leptorhynchus. Horm Behav 61:4-11. http://dx.doi.org/10.1016/j.yhbeh.2011.09.003
2011
Reardon EE, Parisi A, Krahe R, Chapman LJ (2011) Energetic constraints on electric signalling in wave-type weakly electric fishes. J. Exp. Biol. 214:4141-4150. http://dx.doi.org/10.1242/jeb.059444
Savard M, Krahe R, Chacron MJ (2011) Neural heterogeneities influence envelope and temporal coding at the sensory periphery. Neuroscience 172: 270-284.
http://dx.doi.org/10.1016/j.neuroscience.2010.10.061
Fugère V, Ortega H, Krahe R (2011) Electrical signaling of dominance in a wild population of electric fish. Biol Lett. 7:197-200. Featured as Editor's choice in Science, vol. 330, 26 Nov. 2010, p.1156. http://dx.doi.org/10.1098/rsbl.2010/0804
van der Sluijs I*, Gray SM*, Amorim MCP, Barber I, Candolin U, Hendry AP, Krahe R, Maan ME, Utne-Palm AC, Wagner H-J, Wong BBM (2011) Communication in troubled waters: The evolutionary implications of changing environments on fish communication systems. Evol Ecol 25:623–640.
http://dx.doi.org/10.1007/s10682-010-9450-x
2010
Ávila-Ákerberg O, Krahe R, Chacron MJ (2010) Neural heterogeneities and stimulus properties affect burst coding in vivo. Neuroscience 168: 300-313. http://dx.doi.org/ 10.1016/j.neuroscience.2010.03.012
Stamper SA, Carrera-G E, Tan EW, Fugère V, Krahe R, Fortune ES (2010) Species differences in group size and electrosensory interference in weakly electric fishes: Implications for electrosensory processing. Behav Brain Res 207: 368-376. http://dx.doi.org/ 10.1016/j.bbr.2009.10.023
Fugère V, Krahe R. (2010) Electric signals and species recognition in wave-type gymnotiform fish, Apteronotus leptorhynchus. J Exp Biol 213:225-236. http://dx.doi.org/ 10.1242/jeb.034751
2009
Pollack GS, Krahe R (2009) Peripheral and central mechanisms of signal identification. In: Squire L, Albright T, Bloom F, Gage F, Spitzer N (eds) New Encyclopedia of Neuroscience. Elsevier, Oxford, pp 799-804; published in updated form in Reference Module in Neuroscience and Biobehavioral Psychology. Elsevier, Oxford
2008
Krahe R (2008) Rooted in behaviour (editorial). J Physiol (Paris) 102:154-156.
Mehaffey WH, Ellis LD, Krahe R, Dunn RJ, Chacron MJ (2008) Ionic and neuromodulatory regulation of burst discharge controls frequency tuning. J Physiol (Paris) 102:195-208.
http://dx.doi.org/10.1016/j.jphysparis.2008.10.019
Krahe R, Bastian J, Chacron MJ (2008) Temporal processing across multiple topographic maps in the electrosensory system. J Neurophysiol 100:852-867. http://dx.doi.org/ 10.1152/jn.90300.2008
Ronacher B, Wohlgemuth S, Vogel A, Krahe R (2008) Discrimination of acoustic communication signals by grasshoppers (Chorthippus biguttulus): temporal resolution, temporal integraton, and the impact of intrinsic noise. J Comp Psychol 122: 252-263.
http://dx.doi.org/ 10.1037/0735-7036.122.3.252
2007
Ellis L, Krahe R, Bourque CW, Dunn RJ, Chacron MJ (2007) Muscarinic receptors control frequency tuning through the downregulation of an A-type potassium current.
J Neurophysiology 98: 1526-1537. http://dx.doi.org/ 10.1152/jn.00564.2007
Tamburello N, Krahe R (2007) Variations in the electrocommunication behaviour of the weakly electric fish Apteronotus leptorhynchus. McGill Sci Undergrad Res J 2: 9-13
2005
Chen L, House JL, Krahe R, Nelson ME (2005) Modeling signal and background components of electrosensory scenes. J Comp Physiol A 191: 331-345. http://dx.doi.org/10.1007/s00359-004-0587-3
2004
Krahe R, Gabbiani F (2004) Burst firing in sensory systems. Nat Rev Neurosci 5:13-23.
http://dx.doi.org/10.1038/nrn1296