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Down arrow Cat-eLog Data Sheet
Scientific Name Tympanopleura brevis  (Steindachner, 1881)
Common Name Slopehead Catfish
Type Locality Amazon River at Coary and Hyavary, Brazil.
Synonym(s) Ageneiosus brevis, Tympanopleura alta
Etymology Transliterated from the Greek tympanon, meaning drum, and pleura, meaning side or rib (pleuron), nouns in apposition, in reference to the pseudotympanum. The specific epithet is the Latin brevis, meaning short, perhaps in reference to the shorter head of this species in contrast to Ageneiosus inermis which was also described in the same paper. However, T. brevis is also a short bodied fish (i.e. TL), especially in relation to A. inermis; perhaps the name was used in that regard. Either way it is ambiguous.
Down arrow Species Information
Size 160mm or 6.3" SL. Find near, nearer or same sized spp.
Identification Both Tympanopleura and Ageneiosus do not have obvious, permanent barbles. The two genera can be externally distinguished in that Tympanopleura has a prominent pseudotympanum consisting of an area on the side of the body devoid of epaxial musculature where the gas bladder contacts the internal coelomic wall; are shorter, blunter headed without greatly elongated jaws; and have a smaller adult body size.
Down arrow Habitat Information
Distribution South America: Upper Amazon River basin.
Amazon, Upper Amazon (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes) (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Down arrow Husbandry Information
Breeding Unreported in the aquarium.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 44 (in 1882), pp 16.
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Last Update 2020 Oct 03 09:55 (species record created: 2007 Oct 30 13:35)