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Anatomie et fonction des structures céphaliques associées à la prise de nourriture chez le genre Chrysichthys (Téléostei: Siluriformes)
Diogo, R.; Chardon, M. (2000). Anatomie et fonction des structures céphaliques associées à la prise de nourriture chez le genre Chrysichthys (Téléostei: Siluriformes). Belg. J. Zool. 130(1): 21-37
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276; e-ISSN 2295-0451, more
Peer reviewed article  
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Keywords
    Chrysichthys auratus (Geoffroy Saint-Hilaire, 1809) [WoRMS]; Chrysichthys cranchii (Leach, 1818) [WoRMS]; Chrysichthys nigrodigitatus (Lacepède, 1803) [WoRMS]; Siluriformes [WoRMS]
Author keywords
    Chrysichthys auratus; Chrysichthys cranchii; Chrysichthysnigrodigitatus; functional morphology; feeding mechanisms; Siluriformes
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Abstract
    We studied, in fine detail, the functional morphology of the cephalic structures related to the feeding mechanisms movements of the mouth, suspensorium, opercular series, hyoid arch, maxillary barbels and mandibular barbels - in three species of Chrysichthys. For comparison, a large number of other catfish genera were also studied. Our observations and comparisons, in association with the data available in the literature, suggest that the mechanical performance of the cephalic feeding structures in Chrysichthys probably represents the typical pattern of a catfish.
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