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Keywords: Electric fish
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Journal Articles
J Exp Biol jeb.243008.
Published: 28 July 2021
...://www.biologists.com/user-licence-1-1/ Sex recognition Image processing Electrotaxis Electric fish Agencia Nacional de Investigación e Innovación FCE_1_2019_1_155541 The captivating effect of electric organ discharges: Journal of Experimental Biology Accepted manuscript species, sex, and...
Journal Articles
In collection:
Neuroethology
J Exp Biol (2021) 224 (9): jeb242242.
Published: 04 May 2021
..., carried by center ON and center OFF neurons responding in opposite ways to the same stimulus at the center of their receptive fields. Here, we show in the electrosensory lateral line lobe of Gymnotiform weakly electric fish that basilar pyramidal neurons, representing ‘ON’ cells, and non-basilar pyramidal...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (Suppl_1): jeb213447.
Published: 01 February 2020
... behavioral phenotypes can empower research mapping genotype to phenotype interactions. We present two case studies using electric fish and poison frogs and discuss how comparative work can teach us about evolutionary constraint and flexibility at various levels of biological organization. We also offer...
Journal Articles
In collection:
Neuroethology
J Exp Biol (2019) 222 (11): jeb195354.
Published: 11 June 2019
...Virginia Comas; Kim Langevin; Ana Silva; Michel Borde ABSTRACT South American weakly electric fish (order Gymnotiformes) rely on a highly conserved and relatively fixed electromotor circuit to produce species-specific electric organ discharges (EODs) and a variety of meaningful adaptive EOD...
Journal Articles
J Exp Biol (2013) 216 (13): 2403–2411.
Published: 01 July 2013
... interests No competing interests declared. 26 10 2012 7 1 2013 © 2013. Published by The Company of Biologists Ltd 2013 animal communication signal reliability signal plasticity electric fish androgen cortisol melanocortin The sensory drive model for evolution of...
Journal Articles
J Exp Biol (2013) 216 (13): 2421–2433.
Published: 01 July 2013
...G. Troy Smith; Rüdiger Krahe; Eric Fortune Summary The ghost knifefishes (family Apteronotidae) are one of the most successful and diverse families of electric fish. Like other weakly electric fish, apteronotids produce electric organ discharges (EODs) that function in electrolocation and...
Journal Articles
J Exp Biol (2013) 216 (13): 2434–2441.
Published: 01 July 2013
... behavior, but little is known about this relationship in fish. Here, we review studies in electric fish ( Apteronotus leptorhychus ) that link social stimulation, changes in electrocommunication behavior and adult neurogenesis in brain regions associated with electrocommunication. Compared with isolated...
Journal Articles
J Exp Biol (2013) 216 (13): 2478–2486.
Published: 01 July 2013
... different degrees. Studies demonstrate that ray-finned fishes possess a very high capacity to regenerate different tissues and organs when they are adults. Among fishes that exhibit robust regenerative capacities are the neotropical electric fishes of South America (Teleostei: Gymnotiformes). Specifically...
Journal Articles
J Exp Biol (2013) 216 (13): 2487–2500.
Published: 01 July 2013
... commonalities of sensory-related behavioral strategies across sensory systems, and evaluate what is currently known about comparable active sensing strategies in electroreception of electric fish. In this sensory system the sensors are dispersed across the animal's body and the carrier source emitting energy...
Journal Articles
J Exp Biol (2013) 216 (13): 2501–2514.
Published: 01 July 2013
... ventral elongated median fin. Engineered active electrosensory models inspired by electric fish allow for close-range sensing in turbid waters where other sensing modalities fail. Artificial electrosense is capable of aiding navigation, detection and discrimination of objects, and mapping the environment...
Journal Articles
J Exp Biol (2012) 215 (9): 1533–1541.
Published: 01 May 2012
.... 2012 electric fish sensory scene novelty responses electric images Electric fish detect, discriminate and perhaps recognize objects using active electroreception. These animals create an electric field by activating an electric organ (EO) ( Bennett, 1971 ; Caputi, 2011 ). The...
Journal Articles
J Exp Biol (2011) 214 (5): 794–805.
Published: 01 March 2011
...-breeding seasons in adult male electric fish, Brachyhypopomus gauderio , exposed to three environments that differed in complexity: (1) a complex natural habitat in northern Uruguay, (2) an enriched captive environment where fish were housed socially and (3) a simple laboratory setting where fish were...
Journal Articles
J Exp Biol (2011) 214 (2): 200–205.
Published: 15 January 2011
.... Recent data from gymnotiform electric fish reveal mechanisms that regulate energy allocated to sexual advertisement signals through dynamical remodeling of the excitable membranes in the electric organ. Further, males of the short-lived sexually selected species, Brachyhypopomus gauderio , trade off...
Journal Articles
J Exp Biol (2010) 213 (13): 2234–2242.
Published: 01 July 2010
... fish or high-frequency (700–1100 Hz) electric signals that mimic conspecific fish. We examined whether A. leptorhynchus also chirps in response to artificial low-frequency electric signals and to heterospecific electric fish whose EOD contains low-frequency components. Fish chirped at rates above...
Journal Articles
J Exp Biol (2009) 212 (21): 3478–3489.
Published: 01 November 2009
... intrinsic properties electric fish The discovery of weak continuous electric organ discharges [EODs( Lissmann, 1951 )] emitted by Gymnarchus niloticus was the first step for solving the question posed by Charles Darwin ( Darwin,1866 ) concerning the function and evolution of electric organs(EOs...
Journal Articles
J Exp Biol (2008) 211 (13): 2172–2184.
Published: 01 July 2008
...Jung A. Kim; Christine Laney; Jeanne Curry; Graciela A. Unguez SUMMARY In most groups of electric fish, the current-producing cells of electric organs (EOs) derive from striated muscle fibers but retain some phenotypic characteristics of their precursor muscle cells. Given the role of the MyoD...
Journal Articles
J Exp Biol (2008) 211 (11): 1814–1818.
Published: 01 June 2008
...Harold H. Zakon; Derrick J. Zwickl; Ying Lu; David M. Hillis SUMMARY Animal communication systems are subject to natural selection so the imprint of selection must reside in the genome of each species. Electric fish generate electric organ discharges (EODs) from a muscle-derived electric organ(EO...
Journal Articles
J Exp Biol (2008) 211 (6): 1012–1020.
Published: 15 March 2008
...-mail: vsalaz01@fiu.edu ) 12 1 2008 © The Company of Biologists Limited 2008 2008 gymnotiform sexual dimorphism circadian rhythm electric fish electric organ discharge energetic cost communication signal Opposing selective forces shape the sexually dimorphic...
Journal Articles
J Exp Biol (2007) 210 (23): 4104–4122.
Published: 01 December 2007
...Cameron R. Turner; Maksymilian Derylo; C. David de Santana; José A. Alves-Gomes; G. Troy Smith SUMMARY Electrocommunication signals in electric fish are diverse, easily recorded and have well-characterized neural control. Two signal features, the frequency and waveform of the electric organ...
Includes: Supplementary data
Journal Articles
J Exp Biol (2007) 210 (14): 2501–2509.
Published: 15 July 2007
...Johanna A. Kolodziejski; Sara E. Sanford; G. Troy Smith SUMMARY During social interactions, apteronotid electric fish modulate their electric organ discharges (EODs) to produce transient communication signals known as chirps. Chirps vary widely across species and sex in both number and structure...