Article (Scientific journals)
Homologies among Different Adductor Mandibulae Sections of Teleostean Fishes, with Special Regard to Catfishes (Teleostei: Siluriformes)
Diogo, Rui; Chardon, Michel
2000In Journal of Morphology, 243 (2), p. 193-208
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Abstract :
[en] The adductor mandibulae complex has been a subject of discussion and uncertainties due to a wide range of differentiations and fusions that have occurred during teleost evolution. The adductor mandibulae of numerous catfishes was studied in detail and compared with that of several other teleosts described in the literature. Our observations and comparisons demonstrate that: 1) the adductors mandibulae Aomega, A2, and A3 of acanthopterygians correspond, respectively, to the Aomega, A2, and A3 of ostariophysines; 2) the antero-dorso-lateral (A1) and the antero-ventro-lateral (A1-OST) sections of the adductor mandibulae present, respectively, in acanthopterygians and in basal ostariophysines are the result of two different patterns of differentiation of this muscle; 3) some derived ostariophysines present a lateral section of the adductor mandibulae attached to the upper jaw (A0) that is not homologous with any other section of this muscle present in any other ostariophysine or acanthopterygian fish; 4) the configuration of the adductor mandibulae present in Diplomystes seems to be the plesiomorphic condition for catfishes; and 5) the muscle retractor tentaculi, present in a large number of catfishes, is derived from the inner section of the adductor mandibulae (A3) and, thus, is not homologous with the lateral bundle of this muscle (A0) that inserts on the upper jaw in some derived ostariophysine fishes.
Disciplines :
Aquatic sciences & oceanology
Zoology
Author, co-author :
Diogo, Rui 
Chardon, Michel ;  Université de Liège - ULiège > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences)
Language :
English
Title :
Homologies among Different Adductor Mandibulae Sections of Teleostean Fishes, with Special Regard to Catfishes (Teleostei: Siluriformes)
Publication date :
February 2000
Journal title :
Journal of Morphology
ISSN :
0362-2525
eISSN :
1097-4687
Publisher :
John Wiley & Sons, Hoboken, United States - New York
Volume :
243
Issue :
2
Pages :
193-208
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 12 April 2021

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