| Functional study of the pectoral spine stridulation mechanism in different mochokid catfishes. | |
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MedLine Citation:
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PMID: 20228347 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Mochokidae are able to produce pectoral spine stridulation sounds. During sound production, high speed videos were used to study the pectoral fin movements to identify the mechanisms involved. A call consisted of a series of pulses and occurred during a spine sweep, which was in fact made up of a series of jerky movements. The morphology of the pectoral spines and associated muscles was also observed in different species. The contractions of adductor profundus and superficial adductor allows adduction and abduction movements (sweep) of the spine, respectively. Simultaneously, the contraction of the arrector ventralis or the arrector 3 of the pectoral spine allows the pulling and pressing the ridges of the dorsal process, against the rough lateral face of the spinal fossa. This results in the rubbing of the ridges of the dorsal process, producing sounds. In Synodontis the analogy for sound production would be a brake shoe pressing against a wheel. |
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Authors:
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E Parmentier; G Fabri; I Kaatz; N Decloux; S Planes; P Vandewalle |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The Journal of experimental biology Volume: 213 ISSN: 1477-9145 ISO Abbreviation: J. Exp. Biol. Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-03-15 Completed Date: 2010-07-30 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0243705 Medline TA: J Exp Biol Country: England |
Other Details:
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Languages: eng Pagination: 1107-14 Citation Subset: IM |
Affiliation:
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Laboratoire de Morphologie Fonctionnelle et Evolutive, Université de Liège, Liège, Belgium. joseph.thompson@fandm.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animal Structures
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anatomy & histology*,
cytology,
physiology*,
ultrastructure Animals Catfishes / anatomy & histology*, physiology* Sound Spectrography Tape Recording Video Recording Vocalization, Animal / physiology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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