Article (Scientific journals)
The branchial basket in Teleost feeding.
Vandewalle, Pierre; Parmentier, Eric; Chardon, Michel
2000In Cybium, 24 (4), p. 319-342
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Abstract :
[en] In teleosts, feeding is effected principally by suction and food is handled by the branchial basket. Preys are carried to the oesophagus by the pharyngeal jaws (PJs). The pharyngobranchial bones constitute the upper pharyngeal jaws (UPJs) and the 5th ceratobranchial bones, the lower pharyngeal jaws (LPJs). In lower teleosts, these jaws have well-separated spindly parts attached to the neurocranium, pectoral girdle, and hyoid bar; they only transport food and LPJ activity predominates. In acanthopterygians, the PJs become stronger, the left and right ceratobranchials fuse into one LPJ, and the pharyngobranchials join together to form two big UPJs articulating with the neurocranium. In labrids and scarids, the LPJ is also joined to the pectoral girdle. In acanthopterygians, a new retractor dorsalis muscle gives the UPJs the major role in food chewing and transport. Cypriniforms have developed original PJs with strong 5th ceratobranchials opposed to a postero-ventral neurocranial plate. Small-sized preys and food particles are seized by the gill rakers, small skeletal pieces supported by the branchial arches.
Disciplines :
Zoology
Author, co-author :
Vandewalle, Pierre ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Morphologie fonctionnelle et évolutive
Parmentier, Eric  ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Morphologie fonctionnelle et évolutive
Chardon, Michel ;  Université de Liège - ULiège > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences)
Language :
English
Title :
The branchial basket in Teleost feeding.
Publication date :
2000
Journal title :
Cybium
ISSN :
0399-0974
eISSN :
2101-0315
Publisher :
Société Française d'lchtyologie, Paris, France
Volume :
24
Issue :
4
Pages :
319-342
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 16 June 2009

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