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Down arrow Cat-eLog Data Sheet
Scientific Name Tympanopleura atronasus  (Eigenmann & Eigenmann, 1888)
Common Name
Type Locality South America ("exact locality unknown").
Synonym(s) Ageneiosus atronasus, Ageneiosus melanopogon, Tympanopleura nigricollis
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 derived from the Latin ater (neuter atrum), meaning black, and nasus, the nose, in reference to the intense black pigmentation on the tip of the snout and lips in live and freshly preserved specimens.
Down arrow Species Information
Size 120mm or 4.7" 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: Middle and upper Amazon River basin.
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 Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2), pp 149.
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Last Update 2020 Oct 08 11:51 (species record created: 2012 Aug 14 12:35)