Cranial morphology of the anguilliform clariid Channallabes apus (Günther, 1873) (Teleostei: Siluriformes): are adaptations related to powerful biting?
Identifieur interne : 008A37 ( Main/Exploration ); précédent : 008A36; suivant : 008A38Cranial morphology of the anguilliform clariid Channallabes apus (Günther, 1873) (Teleostei: Siluriformes): are adaptations related to powerful biting?
Auteurs : Stijn Devaere [Belgique] ; Dominique Adriaens [Belgique] ; Walter Verraes [Belgique] ; Guy T. Teugels [Belgique]Source :
- Journal of Zoology [ 0952-8369 ] ; 2001-10.
English descriptors
- KwdEn :
- Adductor, Adductor mandibulae, Adductor muscle, Adductor operculi, Adriaens, Adriaens verraes, Anguilliform, Anguilliform clariid, Anguilliform clariids, Anguilliform species, Anguilliformity, Anterior ceratohyal, Anteriorly, Apal, Apus, Arcus, Arratia, Articulates, Articulation, Articulatory, Articulatory facet, Barbel, Branchial, Branchial arch, Bres, Cabuy, Caudal, Caudal part, Caudally, Ceratohyal, Channallabes, Channallabes apus, Clarias, Clarias gariepinus, Clariid, Clariidae, Clariids, Coronoid, Coronoid process, Cranial, Cranial adaptations, Cranial morphology, Dilatator, Dorsal, Dorsal part, Dorsal view, Entopterygoid, Ethmoid, Gariepinus, Gymnallabes, Gymnallabes typus, Hyohyoideus, Hyoid, Hyoidei, Hyomandibula, Hyomandibular, Hypohyal, Infraorbital, Insertion, Kmma, Lateral, Lateral ethmoid, Lateral view, Latter bone, Leth, Levator, Levator arcus palatini, Levator operculi, Ligamentum, Mandibulae, Mandibular, Maxillary, Maxillary barbel, Medial, Mesethmoid, Metapterygoid, Meth, Miniaturization, Morphology, Musculus, Neurocranium, Opercle, Opercular, Opercular bone, Opercular muscles, Operculi, Other clariids, Palatine, Palatini, Parasphenoid, Posterior ceratohyal, Protractor, Pterosphenoid, Pterotic, Quadrate, Rostral, Shes, Siluriformes, Skull, Skull roof, Special adaptations, Sphenotic, Spop, Suprapreopercular, Suprapreopercular bones, Suspensorium, Teleost, Tendon, Tentaculi, Teugels, Tubulous, Typus, Ventral, Ventral hypohyal, Ventral view, Ventrally, Verraes, Vertebra, Zool.
- Teeft :
- Adductor, Adductor mandibulae, Adductor muscle, Adductor operculi, Adriaens, Adriaens verraes, Anguilliform, Anguilliform clariid, Anguilliform clariids, Anguilliform species, Anguilliformity, Anterior ceratohyal, Anteriorly, Apal, Apus, Arcus, Arratia, Articulates, Articulation, Articulatory, Articulatory facet, Barbel, Branchial, Branchial arch, Bres, Cabuy, Caudal, Caudal part, Caudally, Ceratohyal, Channallabes, Channallabes apus, Clarias, Clarias gariepinus, Clariid, Clariidae, Clariids, Coronoid, Coronoid process, Cranial, Cranial adaptations, Cranial morphology, Dilatator, Dorsal, Dorsal part, Dorsal view, Entopterygoid, Ethmoid, Gariepinus, Gymnallabes, Gymnallabes typus, Hyohyoideus, Hyoid, Hyoidei, Hyomandibula, Hyomandibular, Hypohyal, Infraorbital, Insertion, Kmma, Lateral, Lateral ethmoid, Lateral view, Latter bone, Leth, Levator, Levator arcus palatini, Levator operculi, Ligamentum, Mandibulae, Mandibular, Maxillary, Maxillary barbel, Medial, Mesethmoid, Metapterygoid, Meth, Miniaturization, Morphology, Musculus, Neurocranium, Opercle, Opercular, Opercular bone, Opercular muscles, Operculi, Other clariids, Palatine, Palatini, Parasphenoid, Posterior ceratohyal, Protractor, Pterosphenoid, Pterotic, Quadrate, Rostral, Shes, Siluriformes, Skull, Skull roof, Special adaptations, Sphenotic, Spop, Suprapreopercular, Suprapreopercular bones, Suspensorium, Teleost, Tendon, Tentaculi, Teugels, Tubulous, Typus, Ventral, Ventral hypohyal, Ventral view, Ventrally, Verraes, Vertebra, Zool.
Abstract
Within the clariids (air‐breathing catfish), a complete range of fusiform to anguilliform species can be observed. This study deals with the cranial morphology of Channallabes apus, an extreme anguilliform (eel‐like) species, compared to the anguilliform Gymnallabes typus and the more fusiform Clarias gariepinus. The overall morphology of the head of Channallabes apus shows a hypertrophied adductor mandibulae complex, with the corresponding substantial narrowing of the neurocranium, seen in the frontals, the sphenotics, the pterotics and the posttemporo‐supracleithra, as well as the reduction and displacement of the eyes and some canal bones, such as the infraorbitals and the suprapreopercles. The presence of a hypertrophied muscle complex possibly indicates that a more powerful bite may occur. This implies that adaptations can be expected in several parts of the skull. On the lower jaw of C. apus a higher coronoid process is found, and on the suspensorium, two sets of three processes are present on the hyomandibular bone, indicating a stronger connection to the neurocranium. Several of the observed features, such as the elongation of the body, the reduction of the eyes, the increase in vertebrae number, limblessness and the increasing rigidity of the skull, may also be related to a process of miniaturization.
Url:
DOI: 10.1017/S0952836901001303
Affiliations:
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Teugels</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:88F2E5D0EDCF58E476213D6B98604E836E57792B</idno><date when="2001" year="2001">2001</date><idno type="doi">10.1017/S0952836901001303</idno><idno type="url">https://api.istex.fr/document/88F2E5D0EDCF58E476213D6B98604E836E57792B/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">004407</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">004407</idno><idno type="wicri:Area/Istex/Curation">004407</idno><idno type="wicri:Area/Istex/Checkpoint">003C55</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">003C55</idno><idno type="wicri:doubleKey">0952-8369:2001:Devaere S:cranial:morphology:of</idno><idno type="wicri:Area/Main/Merge">008D69</idno><idno type="wicri:Area/Main/Curation">008A37</idno><idno type="wicri:Area/Main/Exploration">008A37</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main">Cranial morphology of the anguilliform clariid <hi rend="italic">Channallabes apus</hi> (Günther, 1873) (Teleostei: Siluriformes): are adaptations related to powerful biting?</title><author><name sortKey="Devaere, Stijn" sort="Devaere, Stijn" uniqKey="Devaere S" first="Stijn" last="Devaere">Stijn Devaere</name><affiliation wicri:level="1"><country xml:lang="fr">Belgique</country><wicri:regionArea>University of Ghent, Vertebrate Morphology, K.L. 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Ledeganckstraat 35, B‐9000 Ghent</wicri:regionArea><wicri:noRegion>B‐9000 Ghent</wicri:noRegion></affiliation></author><author><name sortKey="Teugels, Guy T" sort="Teugels, Guy T" uniqKey="Teugels G" first="Guy T." last="Teugels">Guy T. Teugels</name><affiliation wicri:level="1"><country xml:lang="fr">Belgique</country><wicri:regionArea>Africa Museum, Ichthyology Department, B‐3080 Tervuren, Belgium and KULeuven, Section for Ecology and Systematics, B‐3000 Leuven</wicri:regionArea><wicri:noRegion>B‐3000 Leuven</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Journal of Zoology</title><title level="j" type="alt">JOURNAL OF ZOOLOGY</title><idno type="ISSN">0952-8369</idno><idno type="eISSN">1469-7998</idno><imprint><biblScope unit="vol">255</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="235">235</biblScope><biblScope unit="page" to="250">250</biblScope><biblScope unit="page-count">16</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2001-10">2001-10</date></imprint><idno type="ISSN">0952-8369</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0952-8369</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adductor</term><term>Adductor mandibulae</term><term>Adductor muscle</term><term>Adductor operculi</term><term>Adriaens</term><term>Adriaens verraes</term><term>Anguilliform</term><term>Anguilliform clariid</term><term>Anguilliform clariids</term><term>Anguilliform species</term><term>Anguilliformity</term><term>Anterior ceratohyal</term><term>Anteriorly</term><term>Apal</term><term>Apus</term><term>Arcus</term><term>Arratia</term><term>Articulates</term><term>Articulation</term><term>Articulatory</term><term>Articulatory facet</term><term>Barbel</term><term>Branchial</term><term>Branchial arch</term><term>Bres</term><term>Cabuy</term><term>Caudal</term><term>Caudal part</term><term>Caudally</term><term>Ceratohyal</term><term>Channallabes</term><term>Channallabes apus</term><term>Clarias</term><term>Clarias gariepinus</term><term>Clariid</term><term>Clariidae</term><term>Clariids</term><term>Coronoid</term><term>Coronoid process</term><term>Cranial</term><term>Cranial adaptations</term><term>Cranial morphology</term><term>Dilatator</term><term>Dorsal</term><term>Dorsal part</term><term>Dorsal view</term><term>Entopterygoid</term><term>Ethmoid</term><term>Gariepinus</term><term>Gymnallabes</term><term>Gymnallabes typus</term><term>Hyohyoideus</term><term>Hyoid</term><term>Hyoidei</term><term>Hyomandibula</term><term>Hyomandibular</term><term>Hypohyal</term><term>Infraorbital</term><term>Insertion</term><term>Kmma</term><term>Lateral</term><term>Lateral ethmoid</term><term>Lateral view</term><term>Latter bone</term><term>Leth</term><term>Levator</term><term>Levator arcus palatini</term><term>Levator operculi</term><term>Ligamentum</term><term>Mandibulae</term><term>Mandibular</term><term>Maxillary</term><term>Maxillary barbel</term><term>Medial</term><term>Mesethmoid</term><term>Metapterygoid</term><term>Meth</term><term>Miniaturization</term><term>Morphology</term><term>Musculus</term><term>Neurocranium</term><term>Opercle</term><term>Opercular</term><term>Opercular bone</term><term>Opercular muscles</term><term>Operculi</term><term>Other clariids</term><term>Palatine</term><term>Palatini</term><term>Parasphenoid</term><term>Posterior ceratohyal</term><term>Protractor</term><term>Pterosphenoid</term><term>Pterotic</term><term>Quadrate</term><term>Rostral</term><term>Shes</term><term>Siluriformes</term><term>Skull</term><term>Skull roof</term><term>Special adaptations</term><term>Sphenotic</term><term>Spop</term><term>Suprapreopercular</term><term>Suprapreopercular bones</term><term>Suspensorium</term><term>Teleost</term><term>Tendon</term><term>Tentaculi</term><term>Teugels</term><term>Tubulous</term><term>Typus</term><term>Ventral</term><term>Ventral hypohyal</term><term>Ventral view</term><term>Ventrally</term><term>Verraes</term><term>Vertebra</term><term>Zool</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Adductor</term><term>Adductor mandibulae</term><term>Adductor muscle</term><term>Adductor operculi</term><term>Adriaens</term><term>Adriaens verraes</term><term>Anguilliform</term><term>Anguilliform clariid</term><term>Anguilliform clariids</term><term>Anguilliform species</term><term>Anguilliformity</term><term>Anterior ceratohyal</term><term>Anteriorly</term><term>Apal</term><term>Apus</term><term>Arcus</term><term>Arratia</term><term>Articulates</term><term>Articulation</term><term>Articulatory</term><term>Articulatory facet</term><term>Barbel</term><term>Branchial</term><term>Branchial arch</term><term>Bres</term><term>Cabuy</term><term>Caudal</term><term>Caudal part</term><term>Caudally</term><term>Ceratohyal</term><term>Channallabes</term><term>Channallabes apus</term><term>Clarias</term><term>Clarias gariepinus</term><term>Clariid</term><term>Clariidae</term><term>Clariids</term><term>Coronoid</term><term>Coronoid process</term><term>Cranial</term><term>Cranial adaptations</term><term>Cranial morphology</term><term>Dilatator</term><term>Dorsal</term><term>Dorsal part</term><term>Dorsal view</term><term>Entopterygoid</term><term>Ethmoid</term><term>Gariepinus</term><term>Gymnallabes</term><term>Gymnallabes typus</term><term>Hyohyoideus</term><term>Hyoid</term><term>Hyoidei</term><term>Hyomandibula</term><term>Hyomandibular</term><term>Hypohyal</term><term>Infraorbital</term><term>Insertion</term><term>Kmma</term><term>Lateral</term><term>Lateral ethmoid</term><term>Lateral view</term><term>Latter bone</term><term>Leth</term><term>Levator</term><term>Levator arcus palatini</term><term>Levator operculi</term><term>Ligamentum</term><term>Mandibulae</term><term>Mandibular</term><term>Maxillary</term><term>Maxillary barbel</term><term>Medial</term><term>Mesethmoid</term><term>Metapterygoid</term><term>Meth</term><term>Miniaturization</term><term>Morphology</term><term>Musculus</term><term>Neurocranium</term><term>Opercle</term><term>Opercular</term><term>Opercular bone</term><term>Opercular muscles</term><term>Operculi</term><term>Other clariids</term><term>Palatine</term><term>Palatini</term><term>Parasphenoid</term><term>Posterior ceratohyal</term><term>Protractor</term><term>Pterosphenoid</term><term>Pterotic</term><term>Quadrate</term><term>Rostral</term><term>Shes</term><term>Siluriformes</term><term>Skull</term><term>Skull roof</term><term>Special adaptations</term><term>Sphenotic</term><term>Spop</term><term>Suprapreopercular</term><term>Suprapreopercular bones</term><term>Suspensorium</term><term>Teleost</term><term>Tendon</term><term>Tentaculi</term><term>Teugels</term><term>Tubulous</term><term>Typus</term><term>Ventral</term><term>Ventral hypohyal</term><term>Ventral view</term><term>Ventrally</term><term>Verraes</term><term>Vertebra</term><term>Zool</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Within the clariids (air‐breathing catfish), a complete range of fusiform to anguilliform species can be observed. This study deals with the cranial morphology of Channallabes apus, an extreme anguilliform (eel‐like) species, compared to the anguilliform Gymnallabes typus and the more fusiform Clarias gariepinus. The overall morphology of the head of Channallabes apus shows a hypertrophied adductor mandibulae complex, with the corresponding substantial narrowing of the neurocranium, seen in the frontals, the sphenotics, the pterotics and the posttemporo‐supracleithra, as well as the reduction and displacement of the eyes and some canal bones, such as the infraorbitals and the suprapreopercles. The presence of a hypertrophied muscle complex possibly indicates that a more powerful bite may occur. This implies that adaptations can be expected in several parts of the skull. On the lower jaw of C. apus a higher coronoid process is found, and on the suspensorium, two sets of three processes are present on the hyomandibular bone, indicating a stronger connection to the neurocranium. Several of the observed features, such as the elongation of the body, the reduction of the eyes, the increase in vertebrae number, limblessness and the increasing rigidity of the skull, may also be related to a process of miniaturization.</div></front></TEI><affiliations><list><country><li>Belgique</li></country></list><tree><country name="Belgique"><noRegion><name sortKey="Devaere, Stijn" sort="Devaere, Stijn" uniqKey="Devaere S" first="Stijn" last="Devaere">Stijn Devaere</name></noRegion><name sortKey="Adriaens, Dominique" sort="Adriaens, Dominique" uniqKey="Adriaens D" first="Dominique" last="Adriaens">Dominique Adriaens</name><name sortKey="Devaere, Stijn" sort="Devaere, Stijn" uniqKey="Devaere S" first="Stijn" last="Devaere">Stijn Devaere</name><name sortKey="Teugels, Guy T" sort="Teugels, Guy T" uniqKey="Teugels G" first="Guy T." last="Teugels">Guy T. Teugels</name><name sortKey="Verraes, Walter" sort="Verraes, Walter" uniqKey="Verraes W" first="Walter" last="Verraes">Walter Verraes</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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