Dentition in the African catfishes Andersonia (Amphiliidae) and Siluranodon (Schilbeidae) previously considered toothless
Identifieur interne : 007A48 ( Main/Exploration ); précédent : 007A47; suivant : 007A49Dentition in the African catfishes Andersonia (Amphiliidae) and Siluranodon (Schilbeidae) previously considered toothless
Auteurs : A. S. Golubtsov [Russie] ; K. A. Moots [États-Unis] ; K. F. Dzerjinskii [Russie]Source :
- Journal of Fish Biology [ 0022-1112 ] ; 2004-01.
English descriptors
- KwdEn :
- African catfishes, Agraval mahajan, Agyptischen sudan, Alvero river, Amazon basin, Amphiliidae, Andersonia, Andersonia leptura, Astyanax mexicanus, Auritus, Bony skull, Botanique africaines, Boulenger, British isles, British museum, Buccal cavity, Catfish, Dentary, Dentary teeth, Dentition, Early ontogenetic stages, Edentate, Erbschaft treitl unternommenen zoologischen forschungsreise, Evolutionary biology, Family amphiliidae, Family schilbeidae, Faune ichthyologique, Field operations, Fish biology, Fisheries society, Fishery, Freshwater fishes, Gambela region, Genus, Gilo river, Golubtsov, Hoplosternum littorale, Horny teeth, Huysseune, Huysseune sire, Irregular series, Larger individuals, Mandibular teeth, Mechanical damage, Mucous sheath, Multiserial bands, Natural history, Natural sciences, Nile basin, Ontogenetic, Ontogenetic reduction, Oral teeth, Other catfishes, Other schilbeids, Phractura, Phylogenetic, Phylogenetic analysis, Poissons, Poissons douce, Poissons douces, Poll gosse, Premaxilla, Premaxillary, Premaxillary teeth, Present study, Recherche scientifique, Reductive evolution, Right dentary, Right premaxilla, Roberts vidthayanom, Schilbeidae, Schilbeids, Severtsov institute, Siluranodon, Siluranodon auritus, Sire, Skeletal elements, Skelton, Skelton teugels, Sole member, Systematic revision, Tooth attachment, Tooth attachment modes, Tooth replacement, White nile, Zmmgu.
- Teeft :
- African catfishes, Agraval mahajan, Agyptischen sudan, Alvero river, Amazon basin, Amphiliidae, Andersonia, Andersonia leptura, Astyanax mexicanus, Auritus, Bony skull, Botanique africaines, Boulenger, British isles, British museum, Buccal cavity, Catfish, Dentary, Dentary teeth, Dentition, Early ontogenetic stages, Edentate, Erbschaft treitl unternommenen zoologischen forschungsreise, Evolutionary biology, Family amphiliidae, Family schilbeidae, Faune ichthyologique, Field operations, Fish biology, Fisheries society, Fishery, Freshwater fishes, Gambela region, Genus, Gilo river, Golubtsov, Hoplosternum littorale, Horny teeth, Huysseune, Huysseune sire, Irregular series, Larger individuals, Mandibular teeth, Mechanical damage, Mucous sheath, Multiserial bands, Natural history, Natural sciences, Nile basin, Ontogenetic, Ontogenetic reduction, Oral teeth, Other catfishes, Other schilbeids, Phractura, Phylogenetic, Phylogenetic analysis, Poissons, Poissons douce, Poissons douces, Poll gosse, Premaxilla, Premaxillary, Premaxillary teeth, Present study, Recherche scientifique, Reductive evolution, Right dentary, Right premaxilla, Roberts vidthayanom, Schilbeidae, Schilbeids, Severtsov institute, Siluranodon, Siluranodon auritus, Sire, Skeletal elements, Skelton, Skelton teugels, Sole member, Systematic revision, Tooth attachment, Tooth attachment modes, Tooth replacement, White nile, Zmmgu.
Abstract
Based on light and scanning electron microscopic examination of their morphology, the dentition on both the premaxilla and dentary of Andersonia(Amphiliidae) and Siluranodon(Schilbeidae) catfishes is described from samples taken from tributaries of the White Nile in south‐western Ethiopia. These monotypic African genera were previously believed to lack teeth on the lower jaw in Andersonia and on both jaws in Siluranodon. Siluranodon exhibits an ontogenetic reduction: teeth were less frequently found in larger individuals than in smaller ones. In contrast to the adults of all other schilbeids, whose oral teeth are arranged in multiserial (or at least, biserial) bands, Siluranodon has uniserial teeth on both the premaxilla and the dentary. The adaptive, ontogenetic and phylogenetic aspects of jaw‐tooth reduction in catfishes are discussed.
Url:
DOI: 10.1111/j.1095-8649.2004.00291.x
Affiliations:
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<sourceDesc><biblStruct><analytic><title level="a" type="main">Dentition in the African catfishes <hi rend="italic">Andersonia</hi>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>African catfishes</term>
<term>Agraval mahajan</term>
<term>Agyptischen sudan</term>
<term>Alvero river</term>
<term>Amazon basin</term>
<term>Amphiliidae</term>
<term>Andersonia</term>
<term>Andersonia leptura</term>
<term>Astyanax mexicanus</term>
<term>Auritus</term>
<term>Bony skull</term>
<term>Botanique africaines</term>
<term>Boulenger</term>
<term>British isles</term>
<term>British museum</term>
<term>Buccal cavity</term>
<term>Catfish</term>
<term>Dentary</term>
<term>Dentary teeth</term>
<term>Dentition</term>
<term>Early ontogenetic stages</term>
<term>Edentate</term>
<term>Erbschaft treitl unternommenen zoologischen forschungsreise</term>
<term>Evolutionary biology</term>
<term>Family amphiliidae</term>
<term>Family schilbeidae</term>
<term>Faune ichthyologique</term>
<term>Field operations</term>
<term>Fish biology</term>
<term>Fisheries society</term>
<term>Fishery</term>
<term>Freshwater fishes</term>
<term>Gambela region</term>
<term>Genus</term>
<term>Gilo river</term>
<term>Golubtsov</term>
<term>Hoplosternum littorale</term>
<term>Horny teeth</term>
<term>Huysseune</term>
<term>Huysseune sire</term>
<term>Irregular series</term>
<term>Larger individuals</term>
<term>Mandibular teeth</term>
<term>Mechanical damage</term>
<term>Mucous sheath</term>
<term>Multiserial bands</term>
<term>Natural history</term>
<term>Natural sciences</term>
<term>Nile basin</term>
<term>Ontogenetic</term>
<term>Ontogenetic reduction</term>
<term>Oral teeth</term>
<term>Other catfishes</term>
<term>Other schilbeids</term>
<term>Phractura</term>
<term>Phylogenetic</term>
<term>Phylogenetic analysis</term>
<term>Poissons</term>
<term>Poissons douce</term>
<term>Poissons douces</term>
<term>Poll gosse</term>
<term>Premaxilla</term>
<term>Premaxillary</term>
<term>Premaxillary teeth</term>
<term>Present study</term>
<term>Recherche scientifique</term>
<term>Reductive evolution</term>
<term>Right dentary</term>
<term>Right premaxilla</term>
<term>Roberts vidthayanom</term>
<term>Schilbeidae</term>
<term>Schilbeids</term>
<term>Severtsov institute</term>
<term>Siluranodon</term>
<term>Siluranodon auritus</term>
<term>Sire</term>
<term>Skeletal elements</term>
<term>Skelton</term>
<term>Skelton teugels</term>
<term>Sole member</term>
<term>Systematic revision</term>
<term>Tooth attachment</term>
<term>Tooth attachment modes</term>
<term>Tooth replacement</term>
<term>White nile</term>
<term>Zmmgu</term>
</keywords>
<keywords scheme="Teeft" xml:lang="en"><term>African catfishes</term>
<term>Agraval mahajan</term>
<term>Agyptischen sudan</term>
<term>Alvero river</term>
<term>Amazon basin</term>
<term>Amphiliidae</term>
<term>Andersonia</term>
<term>Andersonia leptura</term>
<term>Astyanax mexicanus</term>
<term>Auritus</term>
<term>Bony skull</term>
<term>Botanique africaines</term>
<term>Boulenger</term>
<term>British isles</term>
<term>British museum</term>
<term>Buccal cavity</term>
<term>Catfish</term>
<term>Dentary</term>
<term>Dentary teeth</term>
<term>Dentition</term>
<term>Early ontogenetic stages</term>
<term>Edentate</term>
<term>Erbschaft treitl unternommenen zoologischen forschungsreise</term>
<term>Evolutionary biology</term>
<term>Family amphiliidae</term>
<term>Family schilbeidae</term>
<term>Faune ichthyologique</term>
<term>Field operations</term>
<term>Fish biology</term>
<term>Fisheries society</term>
<term>Fishery</term>
<term>Freshwater fishes</term>
<term>Gambela region</term>
<term>Genus</term>
<term>Gilo river</term>
<term>Golubtsov</term>
<term>Hoplosternum littorale</term>
<term>Horny teeth</term>
<term>Huysseune</term>
<term>Huysseune sire</term>
<term>Irregular series</term>
<term>Larger individuals</term>
<term>Mandibular teeth</term>
<term>Mechanical damage</term>
<term>Mucous sheath</term>
<term>Multiserial bands</term>
<term>Natural history</term>
<term>Natural sciences</term>
<term>Nile basin</term>
<term>Ontogenetic</term>
<term>Ontogenetic reduction</term>
<term>Oral teeth</term>
<term>Other catfishes</term>
<term>Other schilbeids</term>
<term>Phractura</term>
<term>Phylogenetic</term>
<term>Phylogenetic analysis</term>
<term>Poissons</term>
<term>Poissons douce</term>
<term>Poissons douces</term>
<term>Poll gosse</term>
<term>Premaxilla</term>
<term>Premaxillary</term>
<term>Premaxillary teeth</term>
<term>Present study</term>
<term>Recherche scientifique</term>
<term>Reductive evolution</term>
<term>Right dentary</term>
<term>Right premaxilla</term>
<term>Roberts vidthayanom</term>
<term>Schilbeidae</term>
<term>Schilbeids</term>
<term>Severtsov institute</term>
<term>Siluranodon</term>
<term>Siluranodon auritus</term>
<term>Sire</term>
<term>Skeletal elements</term>
<term>Skelton</term>
<term>Skelton teugels</term>
<term>Sole member</term>
<term>Systematic revision</term>
<term>Tooth attachment</term>
<term>Tooth attachment modes</term>
<term>Tooth replacement</term>
<term>White nile</term>
<term>Zmmgu</term>
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<front><div type="abstract" xml:lang="en">Based on light and scanning electron microscopic examination of their morphology, the dentition on both the premaxilla and dentary of Andersonia(Amphiliidae) and Siluranodon(Schilbeidae) catfishes is described from samples taken from tributaries of the White Nile in south‐western Ethiopia. These monotypic African genera were previously believed to lack teeth on the lower jaw in Andersonia and on both jaws in Siluranodon. Siluranodon exhibits an ontogenetic reduction: teeth were less frequently found in larger individuals than in smaller ones. In contrast to the adults of all other schilbeids, whose oral teeth are arranged in multiserial (or at least, biserial) bands, Siluranodon has uniserial teeth on both the premaxilla and the dentary. The adaptive, ontogenetic and phylogenetic aspects of jaw‐tooth reduction in catfishes are discussed.</div>
</front>
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<affiliations><list><country><li>Russie</li>
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<country name="États-Unis"><noRegion><name sortKey="Moots, K A" sort="Moots, K A" uniqKey="Moots K" first="K. A." last="Moots">K. A. Moots</name>
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