ArticleCommunicative & integrative biology2011
Neural innovations and the diversification of African weakly electric fishes.
Article in Communicative & integrative biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Review of the southern African slender stonebashers, genus Heteromormyrus Steindachner 1866 (Teleostei: Mormyridae), with description of six new species.Journal of fish biology · 2026Article
- Ecomorphological patterns in trigeminal canal branching among sauropsids reveal sensory shift in suchians.Journal of anatomy · 2023Article
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- Neural divergence and hybrid disruption between ecologically isolatedProceedings of the National Academy of Sciences of the United States of America · 2021Article
- The Use of Supervised Learning Models in Studying Agonistic Behavior and Communication in Weakly Electric Fish.Frontiers in behavioral neuroscience · 2021Article
- Genetic drift does not sufficiently explain patterns of electric signal variation among populations of the mormyrid electric fish Paramormyrops kingsleyae.Evolution; international journal of organic evolution · 2020Article
- First cytogenetic information for five Nilotic elephantfishes and a problem of ancestral karyotype of the family Mormyridae (Osteoglossiformes).Comparative cytogenetics · 2020Article
- The cellular and circuit basis for evolutionary change in sensory perception in mormyrid fishes.Scientific reports · 2017Article
- The costs of a big brain: extreme encephalization results in higher energetic demand and reduced hypoxia tolerance in weakly electric African fishes.Proceedings. Biological sciences · 2016Article
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- Sound production to electric discharge: sonic muscle evolution in progress in Synodontis spp. catfishes (Mochokidae).Proceedings. Biological sciences · 2014Article
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- Multiplexed temporal coding of electric communication signals in mormyrid fishes.The Journal of experimental biology · 2013Review
- Comparable ages for the independent origins of electrogenesis in African and South American weakly electric fishes.PloS one · 2012Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In African mormyrid fishes, evolutionary change in a sensory region of the brain established an ability to detect subtle variation in electric communication signals. In one lineage, this newfound perceptual ability triggered a dramatic increase in the rates of signal evolution and species diversification. This particular neural innovation is just one in a series of nested evolutionary novelties that characterize the sensory and motor systems of mormyrids, the most speciose group of extant osteoglossomorph fishes. Here we discuss the behavioral significance of these neural innovations, relate them to differences in extant species diversity, and outline possible scenarios by which some of these traits may have fueled diversification. We propose that sensory and motor capabilities limit the extent to which signals evolve and, by extension, the role of communication behavior in the process of speciation. By expanding these capabilities, neural innovations increase the potential for signal evolution and species diversification.
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Registered trials
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