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Scientific Name	**Tympanopleura cryptica** Walsh, Ribeiro & Rapp Py-Daniel, 2015
Common Name	Dusky Dwarf Duck Catfish
Type Locality	Loreto, río Solimões drainage, río Orosa, mouth of Tonche Cano, 69.4 mi east of Iquitos, about 3°47'26"S, 73°14'50"W, Peru.
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 cryptica is derived from the transliterated Greek kryptos, meaning hidden or concealed, in reference to the close morphological and pigmentation similarities of this species to congeners and its previously unrecognized taxonomic distinctiveness.
Species Information
Size	90mm or 3.5" 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.
General Remarks	See also Walsh, S.J. et al. 2015. Neotrop. Ichthyol., 13(1), pp. 1-46.
Habitat Information
Distribution	South America: Middle and upper Amazon River basin. Amazon, Upper Amazon (click on these areas to find other species found there) Log in to view data on a map.
IUCN Red List Category	Not Evaluated
Husbandry Information
Breeding	Unreported in the aquarium.
Breeding Reports	There is no breeding report.
Further Information
Reference	Neotropical Ichthyology v. 13 (no. 1), pp 24, Figs. 1c, 6d, 13.
Registered Keepers	Keeping this species? Why not . There is no registered keeper.
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Spotters	Spotted this species somewhere? Click the binoculars! There are 5 records of this fish being seen, view them all.
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Last Update	2023 Feb 26 08:08 (species record created: 2013 Jun 13 19:36)