Auchenoglanis: Difference between revisions
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Revision as of 02:49, 9 October 2008
| Auchenoglanis Temporal range: Upper Miocene - Recent
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| Genus: | Auchenoglanis Günther, 1865
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| Type species | |
| Pimelodus biscutatus Geoffroy St. Hilaire, 1809
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| Species | |
Auchenoglanis is a genus of catfishes (order Siluriformes) of the family Claroteidae. It is represented by two living species, A. biscutatus and A. occidentalis (giraffe catfish).[1] Although no apomorphy defines the genus and its monophyly is neither confirmed nor contradicted, it is still considered a valid genus.[2]
Auchenoglanis is a primitive member of the subfamily Auchenoglanidinae and represents a stem group.[2]
Species of this genus occur predominantly in the Nilo-Sudan region, but also in the Congo River, Lakes Mobutu and Tanganyika.[3]
Auchenoglanis species mainly feed on insect aquatic larvae and eventually on small mollusks, alevin, and swimming insects. These feeding habits should also enable them to stand a relatively wide range of ecological conditions.[2]
Fossil record
Auchenoglanis is rare in the fossil record compared to other African catfishes.[2] Auchenoglanis includes an extinct species, Auchenoglanis soye from Western Chad.[2] A few other fossils are also attributed to Auchenoglanis with no specific species described.[2]
References
- ^ Ferraris, Carl J., Jr. (2007). "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types" (PDF). Zootaxa. 1418: 1–628.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ a b c d e f Otero, Olga (2007). "A New Claroteid Catfish (Siluriformes) From the Upper Miocene of Toros-Menalla, Chad: Auchenoglanis soye, sp. nov". Journal of Vertebrate Paleontology. 27 (2): 285–294.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ Teugels, G. G. "Generic review of the African bagrid catfish genera Auchenoglanis and Parauchenoglanis with description of a new genus". Journal of Natural History. 25 (2): 499–517.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help)
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