The catfish distributions sticky

For the discussion of catfish systematics. Post here to draw our attention to new publications or to discuss existing works.
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Review of the distribution of Glanidium ribeiroi

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Bogan, S., & Cardoso, Y. P. (2017). Review of the distribution of Glanidium ribeiroi Haseman, 1911 in Argentina (Siluriformes: Auchenipteridae). Revista del Museo Argentino de Ciencias Naturales, 19(1), 1-7.

Bogan, S., & Cardoso, Y. P. (2017). Revisión de la distribución de Glanidium ribeiroi Haseman, 1911 en la Argentina (Siluriformes: Auchenipteridae). Revista del Museo Argentino de Ciencias Naturales, 19(1), 1-7.

http://www.scielo.org.ar/scielo.php?scr ... 7000100001
Bogan & Cardoso wrote:ABSTRACT
was described from the Iguazú River basin in Paraná State, Brazil. In Argentina, the species was reported for the Urugua-í stream and the Iguazú River basins in the Misiones province, and some tributaries of the middle Paraná River basin, such as Cuña Pirú in Misiones and the Salado River at Santa Fe province. After a critical review of all the Argentinian records of Glanidium ribeiroi we concluded that the specimens reported from Cuñá Pirú should be referred to (Ihering, 1930) and the record of G. ribeiroi from Santa Fe province was based on a specimen that is here assigned to Vera Alcaraz, da Graça & Shibatta, 2008. In this way, the southernmost records for G. ribeiroi are to be excluded and the endemic nature of this species is confirmed for the Urugua-í and Iguazú basins.
  • Key words: Neotropical fish; Taxonomy; Geographic records; Teleostei; Centromochlinae.
Bogan & Cardoso wrote:RESUMEN
fue descrito para la cuenca del río Iguazú en el estado de Paraná, Brasil. En Argentina, la especie fue citada para las cuencas del río Iguazú y del arroyo Urugua-í en Misiones; y para algunos tributarios del río Paraná medio, como el arroyo Cuña Pirú en Misiones y el río Salado en Santa Fe. Luego de una revisión crítica de todos los registros argentinos de Glanidium ribeiroi concluimos que los especímenes citados para el arroyo Cuñá Pirú corresponden a (Ihering, 1930) y que la cita para la provincia de Santa Fe se basó en un ejemplar que aquí se asigna a Vera Alcaraz, da Graça & Shibatta, 2008. De este modo deben descartarse los registros más australes de G. ribeiroi y se confirma su endemismo en las cuencas del Iguazú y del Urugua-í.
  • Palabras clave. Peces neotropicales; Taxonomía; Registros geográficos; Teleostei; Centromochlinae.
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Range expansion of Malacoglanis gelatinosus

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Montoya-Ospina, D.C., Albornoz-Garzón, J.G., García-Melo, J.E., Villa-Navarro, F.A., & DoNascimiento, C. (2018). First record of the miniature catfish Malacoglanis gelatinosus Myers & Weitzman, 1966 (Siluriformes, Trichomycteridae) in the Orinoco river basin. Check List, 14(1), 101-106.

https://doi.org/10.15560/14.1.101
Montoya-Ospina et al. wrote:ABSTRACT
, a species of miniature catfish of the family Trichomycteridae, is only known from 4 specimens from the Amazon basin. Recently, we collected 3 specimens from the upper basin of the Meta River, a tributary of the Orinoco. This is the first record of M. gelatinosus from the Orinoco river basin, which significantly expands the known geographic distribution of this species, making it one of the most broadly distributed species within the subfamily Sarcoglanidinae. High-resolution photographs of specimens, remarks on character variation, and an updated distribution in Colombia are provided.
  • Key words: Meta River; Neotropical region; Sarcoglanidinae; South America
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Re: The catfish distributions sticky

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Calegari, B. B. (2018). First record of the driftwood catfish Akama & Ferraris, 2011 (Siluriformes, Auchenipteridae) for Brazil, Juruá River, Amazon basin. Check List, 14(4), 693-697.

https://checklist.pensoft.net/article/2 ... wnload/pdf
Abstract
Akama & Ferraris, 2011 is a monotypic genus known only by the holotype of its single species S. acsi, described from a creek tributary to the Nanay River, in the Peruvian portion of the Amazon basin. A second specimen of this genus and species representing the first record of occurrence in Brazil is reported from the Juruá River, upper Amazon basin, Amazonas state.
  • Keywords: Taxonomy; Ostariophysi; biodiversity; Neotropics.
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Range expansion of Scoloplax into Colombia

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Albornoz-Garzón JG, Conde-Saldaña CC, Acosta-Santos A, García-Melo JE, Agudelo E, Villa-Navarro FA, & DoNascimiento C. (2018). First records of the family Scoloplacidae (Siluriformes, Loricarioidei) in Colombia, including a range expansion of Scoloplax baileyi Rocha, Lazzarotto & Py-Daniel, 2012. Check List, 14(6), 1071-1046. https://doi.org/10.15560/14.6.1071

https://checklist.pensoft.net/article/29284/list/9/
ABSTRACT
The Neotropical family Scoloplacidae is a monogeneric group of miniature freshwater catfishes that includes 6 species. has the widest distribution across the Amazon basin, except in the western upper portions. We collected 3 specimens from localities close to Leticia in Colombia, corresponding to S. baileyi and S. dicra, constituting the westernmost records of the family for the Amazon basin and the first for Colombia.
  • Keywords: Amazon, Neotropical region, South America, Tarapoto wetlands
Species mentioned:
  • : Colombia: Amazonas: Leticia: quebrada Yahuarcaca: La Ponderosa, km 8, vía Leticia-Tarapacá (-4.143111111111112, -69.94056388888889)
  • : Colombia: Amazonas: Puerto Nariño: Tarapoto wetlands: caño Cotocaño (-3.786888888888889, -70.61877777777777)
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Re: The catfish distributions sticky

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Quintana, Y., Barrientos, C., & Rodiles-Hernández, R. (2019). Range extension for Lacantunia enigmatica Rodiles-Hernández, Hendrickson & Lundberg, 2005 (Siluriformes, Lacantuniidae) in the Usumacinta river basin, Guatemala. Check List, 15, 161. Doi: 10.15560/15.1.161

https://doi.org/10.15560/15.1.161
https://checklist.pensoft.net/articles.php?id=30546

ABSTRACT
The Lacantun Catfish, , is reported for the first time in the Usumacinta river basin in Guatemala. Two specimens were collected in the Usumacinta tributaries Río La Pasión and Río Negro, which are characterized by seasonally fast-flowing deep channels and high fluctuations in water-level. We present a map with new records, and a brief description, and images of the specimens collected.
  • Keywords: Central America, endemic species, Lacantun Catfish, Usumacinta ichthyological province
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Loricariichthys edentatus range extension to Parana basin

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Terán, G.E., Aguilera, G., Serra, W.S., Ruiz Diaz, F.J., & Mirande, J.M. (2019). First record of Loricariichthys edentatus (Siluriformes: Loricariidae) in the Paraná river. Zoological Act Lilloana, 63(1): 58-63. https://doi.org/10.30550/j.azl/2019.63.1/4
http://www.lillo.org.ar/journals/index. ... w/v63n1a04
ABSTRACT
Recent expeditions to northeastern Argentina in the Paraná River revealed the presence of the armored catfish Reis & Pereira 2000, which represents the first record of this species to that basin.
Key words: Corrientes province, distribution, endemism, range extension, La Plata River basin
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New records for the Rio Pelotus

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Updates for The paper also found unidentified and .

NOTE: This paper reports as being found and native here. Although possibly introduced, it appears that the original distribution of R. quelen is much farther north of the Parana. Given this, and the facts that (a) I've read this genus is a mess and (b) there are two other Rhamdia species nearby, I've chosen to NOT add the Rio Pelotus as an occurrence for R. quelen.

Delariva, Rosilene Luciana, Neves, Mayara Pereira, Baumgartner, Gilmar, & Baumgartner, Dirceu. (2019). Fish fauna of the Pelotas River, Upper Uruguay River, southern Brazil. Biota Neotropica, 19(3), e20180638. Epub June 27, 2019. DOI: 10.1590/1676-0611-bn-2018-0638.

http://dx.doi.org/10.1590/1676-0611-bn-2018-0638
http://www.scielo.br/scielo.php?pid=S16 ... ci_arttext
ABSTRACT
The fish fauna of the Pelotas River, in the Upper Uruguay ecoregion of southern Brazil was inventoried. Samplings were performed quarterly between August 2013 and May 2014 at 14 sites in the Pelotas River and its tributaries, using gill nets of different mesh sizes, sein nets, cast nets and electrofishing. In total, 7,745 specimens were recorded, comprising 46 species, belonging to 13 families and five orders. Approximately 80% of the species belonged to the orders Characiformes and Siluriformes, as well as the families Characidae and Loricariidae, which included a greater number of species. Of the total species, 24% were endemic to the Upper Uruguay River, four were identified only at the genus level and none was considered non-native. Approximately, half of the 98 species previously recorded for the Upper Uruguay basin were also detected in this study. The tributaries of the Pelotas River exhibited different faunas with five exclusive species. Thirty species were present in both the tributaries and the main channel. In addition, higher species richness, as well as the presence of larger-sized species were observed in the main channel. Many of the species not restricted to the Upper Uruguay River have already been reported as part of the Taquari-Antas River fauna. However, the local biodiversity of this region is under several threats, such as land use and installation of small hydroelectric plants. These results highlight the importance of the conservation of plateau/upland rivers, especially in the Upper Uruguay ecoregion, which shows a peculiar fish fauna and endemism.
  • Keywords: Freshwater; upland river; ichthyofauna; inventory; species richness
RESUMO
A fauna de peixes do rio Pelotas, bacia do Alto Uruguai foi inventariada. As amostragens foram realizadas trimestralmente entre agosto de 2013 e maio de 2014, em 14 pontos da bacia do rio Pelotas, utilizando-se redes de emalhar de diferentes tamanhos, redes de arrasto, tarrafas e pesca elétrica. No total, foram registrados 7.745 exemplares, compreendendo 46 espécies pertencentes a 13 famílias e cinco ordens. Aproximadamente 80% das espécies foram pertencentes as ordens Characiformes e Siluriformes, assim como as famílias Characidae e Loricariidae, que tiveram maior número de espécies. Do total de espécies amostradas, 24% são endêmicas do Alto rio Uruguai, quatro foram identificadas apenas em nível de gênero e nenhuma foi considerada não nativa. Aproximadamente metade das 98 espécies anteriormente registradas na bacia do Alto rio Uruguai foi registrada nesse estudo. Os tributários do rio Pelotas exibiram distinta fauna com cinco espécies exclusivas. Trinta espécies foram comuns aos afluentes e canal principal. Verificou-se maior riqueza, bem como a presença de espécies de maior porte no canal principal. Muitas das espécies não restritas ao alto rio Uruguai já foram relatadas como parte da fauna da bacia do rio Taquari-Antas. No entanto, a biodiversidade local da região de estudo está sob diversas ameaças, como o uso do solo e a instalação de pequenas centrais hidrelétricas. Esses resultados destacam a importância da preservação dos rios de planalto, especialmente na ecorregião do Alto rio Uruguai, que apresenta uma fauna de peixes peculiar e endemismos.
  • Palavras-chave: Água doce; rio de planalto; ictiofauna; inventário; riqueza de espécies
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Hoplosternum littorale in the Salgado drainage

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Freita, F. R. V., Alencar, D. R., do Nascimento, W. M., Feitosa, W. S., & Pinheiro, A. P. (2018). Occurrence Records of Hoplosternum littorale (Hancock, 1828)(Siluriformes: Callichthyidae) in the Salgado River basin in the South of Ceará-Brazil. Biota Amazonia, 8(2): 56-57. DOI: 10.18561/2179-5746/biotaamazonia.v8n2p56-57

http://dx.doi.org/10.18561/2179-5746/bi ... v8n2p56-57
Download at Researchgate


The current paper had as objective to record the occurrence of H. littorale in the Salgado River basin, Juazeiro do Norte municipality, in the southern region of Ceara, based on the collection of 12 specimens, made with the use of appropriate tools with a thickness of 0.5 cm, the fishes were captured on the Caras River and the Sao Jose River, effluents of the Salgado River. With larger sizes and weights, the fishes collected in Sao Jose River seem to have adapted to the pollution, since the river receives sanitary sewage from the surrounding neighborhoods and in the dry season is its only source of water. The Caras River does not have sanitary sewage, but its banks have been deforested with several silted places. By demonstrating an ease of adjusting better to a polluted environment and with low oxygen content, the species characterizes an invasive profile.
  • Keywords: Biodiversity; Ichthyofauna; Semi-arid; Tamoata.
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Ichthyofauna of Reserva de Desenvolvimento Sustentável Piagaçu-Purus, lower rio Purus

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Morales, B. F., Ota, R. P., Silva, V. D. P., & Deus, C. P. D. (2019). Ichthyofauna from floodplain lakes of Reserva de Desenvolvimento Sustentável Piagaçu-Purus (RDS-PP), lower rio Purus. Biota Neotropica, 19(4).

http://www.scielo.br/scielo.php?pid=S16 ... ci_arttext
http://dx.doi.org/10.1590/1676-0611-bn-2019-0779
ABSTRACT:

The ichthyofauna of the rio Purus has been little investigated, especially in its lower portion, characterized by diverse aquatic environments, especially in flooded areas. We inventoried the ichthyofauna of floodplain lakes with different management efforts in Reserva de Desenvolvimento Sustentável Piagaçu-Purus (RDS-PP), which represent important resource for commercial fishing in North region, in the first illustrated inventory of the fish fauna from lower rio Purus. We surveyed 20 lakes, classified as open access (eight lakes) and protected (12 lakes) during 2009 low water levels. A total of 2,299 individuals were collected, represented by seven orders, 25 families and 74 species. Characiformes was the most representative order in number of species and families, followed by Siluriformes, Cichliformes, Gymnotiformes, Clupeiformes, and Osteoglossiformes. Most abundant and frequent species were Pygocentrus nattereri, Triportheus angulatus, Serrasalmus sp. "2n=58", Pterygoplichthys gibbiceps, and Osteoglossum bicirrhosum. Protected lakes presented higher species richness compared to open access lakes. Similarly, protected lakes possessed 26 species occurring exclusively, with emphasis on Colossoma macropomum, an important species for fisheries due to its commercial importance. We added 44 new records of fish species for the lower rio Purus. Our results indicate the potential efficiency of zoning systems of open access and protected lakes established by local population and ruled by RDS-PP for fisheries management. Therefore, we strongly suggest its maintenance for conservation of ichthyofauna of floodplain lakes of lower rio Purus.
  • Keywords: Amazonian fish fauna; Conservation; Inventory; Neotropical
For some of the species listed below, I added Purus to the occurances table. For others, if they are already listed in the "Amazon" with a pin near Manaus, I left their occurence info unchanged. For a few, the identity listed seemed to move them to a radically different location; I wondered if the ID was incorrect, so I did not add the Purus to the occurence data for those species either.

Auchenipteridae
  • Ageneiosus inermis (Linnaeus, 1766)
    Trachelyopterus galeatus (Linnaeus, 1766)
    Trachychorystis porosus Eigenmann & Eigenmann, 1888
Doradidae
  • Anadoras grypus (Cope, 1872)
    Oxydoras niger (Valenciennes, 1821)
Callichthyidae
  • Dianema urostriatum (Miranda Ribeiro, 1912)
    Hoplosternum littorale (Hancock, 1828)

Loricariidae - Hypostominae
  • Dekeyseria amazonica Rapp Py-Daniel, 1985
    Pterygoplichthys gibbiceps (Kner, 1854)
Loricariidae - Loricariinae
  • Loricariichthys acutus (Valenciennes, 1840)
    Loricariichthys nudirostris (Kner, 1853)
Rhinelepinae
  • Pseudorinelepis genibarbis (Valenciennes, 1840)
Heptapteridae
  • Pimelodella gr. cristata (Müller & Troschel, 1849)
Pimelodidae
  • Calophysus macropterus (Lichtenstein, 1819)
    Hypophthalmus edentatus Spix & Agassiz, 1829
    Hypophthalmus oremaculatus Nani & Fuster, 1947
    Pimelodus blochii Valenciennes, 1840
    Pseudoplatystoma punctifer (Castelnau, 1855)
    Pseudoplatystoma tigrinum (Valenciennes, 1840)
    Sorubim lima (Bloch & Schneider, 1801)
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Pseudorinelepis genibarbis in the Caquetá river basin, Colombia

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CELIS-GRANADA, M. S., MEDINA, S., & BELTRÁN, C. (2019). New record of the species Pseudorinelepis genibarbis (Loricariidae: Rhinelepinae) for the Caquetá river basin, Colombia. Zootaxa, 4658(1), 193-196.

https://www.biotaxa.org/Zootaxa/article ... .4658.1.12
http://dx.doi.org/10.11646/zootaxa.4658.1.12
Abstract
The Neotropical fish family Loricariidae is the most diverse family of catfishes (order Siluriformes) and the fifth largest fish family, with approximately 993 valid species. The species of the family are geographically distributed from Costa Rica in Central America to Argentina in South America and are grouped into 83 genera and the following six subfamilies: Hypoptopomatinae, Hypostominae, Loricariinae Delturinae, Lithogeninae and Rhinelepinae (Roberto et al., 2006, Birindelli et al., 2007, Corea et al., 2014, Eschmeyer & Fong, 2019).
  • Keywords: Loricariidae, Rhinelepinae, Colombia, Siluriformes
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Taxonomic revision of the Southernmost population of Hypostomus commersoni

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Bertora, A., Grosman, M. F., Sanzano, P. M., Cardoso, Y. P., & Rosso, J. J. (2018). Taxonomic revision of the Southernmost population of Hypostomus commersoni Valenciennes, 1836 (Siluriformes: Loricariidae) and comments on dispersal routes. Historia Natural, Series 3, 8(1): 2018/25-34

Bertora, A., Grosman, M. F., Sanzano, P. M., Cardoso, Y. P., & Rosso, J. J. (2018). Revision taxonómica de las poblaciones más australes de Hypostomus commersoni Valenciennes, 1836 (Siluriformes: Loricariidae) y comentarios sobre las vías de dispersión. Historia Natural, Series 3, 8(1): 2018/25-34

https://ri.conicet.gov.ar/handle/11336/87492
PDF: https://ri.conicet.gov.ar/bitstream/han ... sAllowed=y

New location reported: 36°55’38.66”S,58°56’8.70”W
Abstract
Hypostomus is one of the most diverse genus of South American freshwater catfishes. In Argentina, Valenciennes, 1836 is distributed throughout the major river networks of the La Plata River basin and in the Pampa Plain. The recent record of H. commersoni in the Langueyú stream, represents the southernmost occurrence for this species and highlights the role of Samborombón bay as a likely dispersal route. It also supports the role of artificial channels in the translocation of freshwater fauna. In this study, a taxonomic revision of H. commersoni from the Langueyú stream was performed and aspects about ichthyofauna dispersal routes are discussed. The taxonomy of populations in the extreme of the species’ distribution range contributes with information about geographic variation of characters.
  • Key words: Hypostominae, distribution, La Plata River basin, taxonomy, Langueyú stream.
Resumen.
Hypostomus es uno de los géneros más diversos de peces de agua dulce de Sudamérica. En Argentina, Valenciennes, 1836 se distribuye a lo largo de las principales redes de ríos de la cuenca del río de la Plata y en la llanura Pampeana. El reciente registro de H. commersoni en el arroyo Langueyú, representa la ocurrencia más austral de esta especie y destaca el papel de la bahía de Samborombón como probable ruta de dispersión. También apoya el rol de los canales artificiales en la translocación de la fauna de agua dulce. En este estudio se realiza una revisión taxonómica de H. commersoni del arroyo Langueyú y se discuten aspectos sobre las rutas de dispersión de la ictiofauna. La taxonomía de las poblaciones en los extremos del rango de distribución de las especies contribuye con información sobre la variación geográfica de los caracteres.
  • Palabras clave: Hypostominae, distribución, cuenca del Río de La Plata, taxonomía, arroyo
    Langueyú.
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Re: The catfish distributions sticky

Post by bekateen »

Moderator's note: (06 June 2022): From the post here: viewtopic.php?f=14&t=50890#p333596, I infer that the fish listed as are actually , and I've reassigned the occurrence accordingly.

Frota, A., Ota, R. R., Deprá, G. D. C., Ganassin, M. J. M., & Graça, W. J. D. (2020). A new inventory for fishes of headwater streams from the rio das Cinzas and rio Itararé basins, rio Paranapanema system, Paraná, Brazil. Biota Neotropica, 20(1). http://dx.doi.org/10.1590/1676-0611-bn-2019-0833





* I did not add this location to the R. quelen CLOG because that species is so muddled, I imagine it's quite likely the ID is incorrect.












ABSTRACT:

The Rio das Cinzas and Itararé basins are important tributaries of the Paranapanema river, the major left-bank tributary of the upper Paraná basin. The upper reaches of both drainages intersect the northern portion of the APA Devonian Escarpment Environment Protection Area (EPA), an area considered crucial for the preservation of biodiversity. This study aimed to provide an ichthyofaunistic inventory for headwater streams of the Rio das Cinzas and Itararé basins, both within and off the borders of the EPA, increasing the knowledge about species already known from streams in the Paranapanema river system. We found 32 fish species, representing five orders and 12 families. Siluriformes was the richest order followed by Characiformes. Ten species presented high abundance of sampled individuals, contributing with 85. 0% of all specimens. Most species were classified as occasional (captured in less than 25% of samples) and only two species were classified as constant (captured in more than 50% of samples), which may reflect the altitudinal gradient. We did not record any introduced species in the sampled streams, reinforcing the need for at least maintaining the original area of ​​the EPA. We expanded the geographic distribution of Astyanax bifasciatus to the upper Paraná River system, confirming the cases of faunal exchange among several drainage systems in the boundaries of the Ponta Grossa Arch. Finally, we identified three putatively undescribed species that show a large biodiversity knowledge shortfall for the region studied.
  • Keywords: Altitudinal gradient; Devonian Escarpment; faunal exchange; upper rio Paraná
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Screenshot_20191222-095726_Chrome~2.jpg
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Re: The catfish distributions sticky

Post by bekateen »

Martine, G. (2019). Distribuição do ictioplâncton em diferentes micro-habitats do médio Rio Uruguai, Brasil. Dissertação de Mestrado, Programa de Pós Graduação em Ambiente e Tecnologias Sustentáveis da Universidade Federal da Fronteira Sul.
https://rd.uffs.edu.br/handle/prefix/3098
PDF: https://rd.uffs.edu.br/bitstream/prefix ... ARTINE.pdf

Ichthyoplankton of the middle Rio Uruguay basin:







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Re: The catfish distributions sticky

Post by bekateen »

Terán, G. E., Aguilera, G., Díaz, F. R., Koerber, S., & Mirande, J. M. (2020). First record of Hypostomus roseopunctatus (Siluriformes: Loricariidae) for Argentina. Ichthyological Contributions of PecesCriollos, 65: 1-4. available as pdf-file at www.pecescriollos.de since 23.Mar.2020

https://media.hotelwebservice.com/media ... entina.pdf
Abstract
In this note we expand the known distributional range of to the political boundaries of Argentina. The sole specimen was obtained in the Miriñay River, Uruguay River basin, province of Corrientes. With this record the number of Hypostomus species known from Argentina raises to 26.
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Pylodictis olivaris in Canada

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Illes, C., Colm, J. E., Mandrak, N. E., & Marson, D. M. (2020). Flathead Catfish (Pylodictis olivaris) reproduction in Canada. The Canadian Field-Naturalist, 133(4), 372-380.

https://www.canadianfieldnaturalist.ca/ ... /view/2323

DOI: http://dx.doi.org/10.22621/cfn.v133i4.2323
Abstract

Eleven Flathead Catfish (), representing at least five age classes, were collected between 2016 and 2018 in the lower Thames River, Ontario, Canada. The capture of two juveniles (total lengths 78 mm and 82 mm), the first records of juveniles in Canada, is a strong indication that reproduction has occurred. Previous records were thought to be individuals that dispersed from known populations in American waters of Lake Erie. Flathead Catfish is currently designated as data deficient by the Committee on the Status of Endangered Wildlife in Canada. These new findings may provide sufficient data to reconsider the conservation status of this species.
  • Keywords: Flathead Catfish; Pylodictis olivaris; reproduction; Great Lakes; Lake St. Clair; Thames River; juvenile; young- of-year
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Ageneiosus ucayalensis in the municipality of Viana, state of Maranhão, Brazil

Post by bekateen »

Coelho, AV, de Oliveira, CA, FREITAS, J., Figueiredo, MB, & de Almeida, ZDS RECORDS OF Ageneiosus ucayalensis (CASTELNAU, 1855), (OSTEICHTHYES: AUCHENIPTERIDAE), IN THE MUNICIPALITY OF VIANA, STATE OF MARANHÃO, BRAZIL. RECORDS OF Ageneiosus ucayalensis (CASTELNAU, 1855), (OSTEICHTHYES: AUCHENIPTERIDAE), IN THE MUNICIPALITY OF VIANA, STATE OF MARANHÃO, BRAZIL , 1-388.

https://www.atenaeditora.com.br/post-artigo/14706
ABSTRACT:

Viana is a municipality located in the micro region of Maranhão Lowlands, state of Maranhão. The species is commonly known as mandubé, it is a freshwater fish of Siluriformes Order and commonly captured in the Baixada Maranhense. The specimens were captured by trawls with mesh sizes nets numbers 05, 06, 08, 09 and 10, in two localities of the municipality, Rio Maracu and Lago de Viana, between September 2014 and August 2015. A total of 71 individuals were captured throughout the study. In the Lake of Viana were captured 42 and in the River Maracu 29 individuals. In the month of December the largest number of specimens was obtained, in total there were 23 specimens, followed by March (13) and February (12). The distribution of the relative frequency of specimens by Total Length classes showed that the number of individuals was highest in the range of class comprising 12 to 14 cm. The average size was 14.07 cm. Currently, there is a growing concern for the preservation of these ecosystems and their species, since they serve food for riverside communities. This work, together with other studies on Ageneiosus ucayalensis species may delineate safe actions in the sustainable use of water resources in the region.
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Otothyropsis piribebuy in the Rio Tererê, Rio Paraguay basin, Brazil

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Hocama, G. S., de Oliveira Martins, F., & Severo-Neto, F. (2020). First record and extended distribution of Otothyropsis piribebuy (Loricariidae: Hypoptopomatinae) in Brazil. Papéis Avulsos De Zoologia, 60, e20206021. DOI: https://doi.org/10.11606/1807-0205/2020.60.21.

https://www.revistas.usp.br/paz/article/view/162087
ABSTRACT
Cascudinhos are a group of small benthic fishes included in the Hypoptopomatinae subfamily, inhabiting small to moderate streams and rivers within the Neotropical region, from Venezuela to Northern Argentina. Until now, originally described from the rio Paraguay basin, in Paraguay, is the only species of the genus not recorded in Brazil. Recent samples in the rio Tererê, rio Paraguay basin, Brazil, revealed a population of Otothyropsis with uncertain taxonomic identity. Therefore, the study aimed to unveil the distribution of Otothyropsis within Brazilian territory. External morphology, osteology, measurements, and counts (plates, teeth, and rays) of these specimens from rio Tererê were compared to data from the original description of O. piribebuy, and also with specimens of O. piribebuy sampled in Paraguayan territory. Observations indicated no differences among the analyzed specimens. Furthermore, a Principal Component Analysis (PCA), carried out using log-transformed measures from Brazilian and Paraguayan specimens, showed no separation of these populations, also indicating that all analyzed specimens pertain to the same species. Based on this, a prediction map of distribution, using Maximum Entropy, was produced. The correct identification of spatial range of occurrence is an essential step to ensure the conservation of species, and the extended distribution of Otothyropsis piribebuy was confirmed, enhancing the list of neotropical fish from Brazil.
Attachments
Figure 1. Distribution of Otothyropsis piribebuy within the rio Paraguay basin. Star = holotype; square = paratype; triangle = non-type, from Paraguay. Circles = new occurrence in Brazil.
Figure 1. Distribution of Otothyropsis piribebuy within the rio Paraguay basin. Star = holotype; square = paratype; triangle = non-type, from Paraguay. Circles = new occurrence in Brazil.
Figure 2. Otothyropsis piribebuy, nontype, first record in Brazilian territory, ZUFMS 5796, 23.8 mm SL, female, Rego d’Água, Porto Murtinho, Mato Grosso do Sul, Brazil.
Figure 2. Otothyropsis piribebuy, nontype, first record in Brazilian territory, ZUFMS 5796, 23.8 mm SL, female, Rego d’Água, Porto Murtinho, Mato Grosso do Sul, Brazil.
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Re: Taxonomic revision of the Southernmost population of Hypostomus commersoni

Post by Donovan05 »

bekateen wrote: 06 Nov 2019, 00:03 Bertora, A., Grosman, M. F., Sanzano, P. M., Cardoso, Y. P., & Rosso, J. J. (2018). Taxonomic revision of the Southernmost population of Hypostomus commersoni Valenciennes, 1836 (Siluriformes: Loricariidae) and comments on dispersal routes. Historia Natural, Series 3, 8(1): 2018/25-34

Bertora, A., Grosman, M. F., Sanzano, P. M., Cardoso, Y. P., & Rosso, J. J. (2018). Revision taxonómica de las poblaciones más australes de Hypostomus commersoni Valenciennes, 1836 (Siluriformes: Loricariidae) y comentarios sobre las vías de dispersión. Historia Natural, Series 3, 8(1): 2018/25-34

https://ri.conicet.gov.ar/handle/11336/87492
PDF: https://ri.conicet.gov.ar/bitstream/han ... sAllowed=y

New location reported: 36°55’38.66”S,58°56’8.70”W
Abstract
Hypostomus is one of the most diverse genus of South American freshwater catfishes. In Argentina, Valenciennes, 1836 is distributed throughout the major river networks of the La Plata River basin and in the Pampa Plain. The recent record of H. commersoni in the Langueyú stream, represents the southernmost occurrence for this species and highlights the role of Samborombón bay as a likely dispersal route. It also supports the role of artificial channels in the translocation of freshwater fauna. In this study, a taxonomic revision of H. commersoni from the Langueyú stream was performed and aspects about ichthyofauna dispersal routes are discussed. The taxonomy of populations in the extreme of the species’ distribution range contributes with information about geographic variation of characters.
transfers reims
  • Key words: Hypostominae, distribution, La Plata River basin, taxonomy, Langueyú stream.
Resumen.
Hypostomus es uno de los géneros más diversos de peces de agua dulce de Sudamérica. En Argentina, Valenciennes, 1836 se distribuye a lo largo de las principales redes de ríos de la cuenca del río de la Plata y en la llanura Pampeana. El reciente registro de H. commersoni en el arroyo Langueyú, representa la ocurrencia más austral de esta especie y destaca el papel de la bahía de Samborombón como probable ruta de dispersión. También apoya el rol de los canales artificiales en la translocación de la fauna de agua dulce. En este estudio se realiza una revisión taxonómica de H. commersoni del arroyo Langueyú y se discuten aspectos sobre las rutas de dispersión de la ictiofauna. La taxonomía de las poblaciones en los extremos del rango de distribución de las especies contribuye con información sobre la variación geográfica de los caracteres.
  • Palabras clave: Hypostominae, distribución, cuenca del Río de La Plata, taxonomía, arroyo
    Langueyú.

Hola, gracias por esta información, especialmente los datos de contacto. estas son cosas muy útiles
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Re: Taxonomic revision of the Southernmost population of Hypostomus commersoni

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Donovan05 wrote: 30 Jun 2020, 21:55Hola, gracias por esta información, especialmente los datos de contacto. estas son cosas muy útiles
De nada. :-)
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Pterocryptis barakensis in River Tissa, Longding district, Arunachal Pradesh foothills

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Dutta, R., Ahmed, A.M., Pokhrel, H., Sarmah, R., Nath, D., Mudoi, L.P., Baruah, D., Bhagabati, S.K. & P. Songtheng. (2020). First report of an endangered silurid catfish, Pterocryptis barakensis (Siluridae) from Brahmaputra drainage, North Eastern Himalayan region of India. Journal of Applied Ichthyology, 36: 528-532.

https://doi.org/10.1111/jai.14042
https://onlinelibrary.wiley.com/doi/ful ... /jai.14042
Abstract
The present communication reports an endangered catfish of the family Siluridae, (Vishwanath & Sharma) for the first time outside its type locality from Brahmaputra drainage. The specimens were collected from the River Tissa, Longding district, Arunachal Pradesh foothills of Himalayan region of North East India. The current study describes morphometric and molecular characteristics of this endangered species.
Attachments
From paper: Figure 1 (a), Map of River Tissa showing the sampling site. (b), Map showing type locality (filled triangle) and present locality (star mark) of Pterocryptis barakensis.
From paper: Figure 1 (a), Map of River Tissa showing the sampling site. (b), Map showing type locality (filled triangle) and present locality (star mark) of Pterocryptis barakensis.
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Re: The catfish distributions sticky

Post by bekateen »

Microglanis cottoides in the Rio Sali?

Hi All, As I'm updating the CLOG entries of the , I've synonymized M. cibelae with , based on the Souza-Shibatta et al. (2018) paper, and I'm also deleting occurrences of Cottoides in the lower Uruguay, based on the same paper above which attributed those reports, based on genetic markers to fish more like .

But there's a stray locality for cottoides out in the Rio Sali. I see no reports of that in the forum (esp. within the Distributions sticky), and I see no reports of collection on GBIF. In fact, GBIF has NO Microglanis out that direction at all.

Does anyone have context for this? If not, I'd like to remove the occurrence of cottoides there. The paper above says genetically, there are no cottoides in the Uruguay basin, but rather they are all spread throughout the coastal drainages.

If I'm making a big mistake here, please stop me. ;-)

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Re: The catfish distributions sticky

Post by bekateen »

bekateen wrote: 07 Sep 2020, 00:32 Microglanis cottoides in the Rio Sali?

Hi All, As I'm updating the CLOG entries of the , I've synonymized M. cibelae with , based on the Souza-Shibatta et al. (2018) paper, and I'm also deleting occurrences of Cottoides in the lower Uruguay, based on the same paper above which attributed those reports, based on genetic markers to fish more like .

But there's a stray locality for cottoides out in the Rio Sali. I see no reports of that in the forum (esp. within the Distributions sticky), and I see no reports of collection on GBIF. In fact, GBIF has NO Microglanis out that direction at all.

Does anyone have context for this? If not, I'd like to remove the occurrence of cottoides there. The paper above says genetically, there are no cottoides in the Uruguay basin, but rather they are all spread throughout the coastal drainages.

If I'm making a big mistake here, please stop me. ;-)
I found it:

Luis Fernández & Gladys Gonzo. 2013. Microglanis cottoides (Boulenger, 1891) (Siluriformes: Pseudopimelodidae): Distribution extension to Salí-Dulce River basin, northwestern Argentina. Check List 9(2): XXX-XXX, 2013.

https://checklist.pensoft.net/article/18659/

https://www.researchgate.net/profile/Gl ... 745505.pdf
Abstract: Microglanis cottoides (Boulenger 1891) is a known Paraná-Plata River basin catfish. Its geographic distribution
is herein extended to a new drainage system, the Salí-Dulce River system, northwestern Argentina, which is a separate
drainage from the Paraná-Plata basin.
Well. This proves problematic. :-/ The fish is probably M. malabarbai.

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Re: The catfish distributions sticky

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That does happen, from time to time a new species means I have to move occurences around. Main thing is the timeline supports this. So, I think you should nuke the occurrence in the Rio Sali?

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Re: The catfish distributions sticky

Post by bekateen »

Will do. Will also add a note to the malabarbai page.

And done.

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Re: The catfish distributions sticky

Post by bekateen »

I see on the occurrence map the inclusion of the Niger River. This seems highly unlikely and I can't find any reference to a confirmation of M. batesii there. I'm removing the occurrence from the list, but putting this post here in case anyone knows of a confirmation for this detail.

Likewise, I'm suspicious of the occurrence of M. batesii in the Congo. According to HH's 2004 paper, is from the Congo and previously it had been considered a synonym of M. batesii, but now it is considered a valid species unto itself.

HH's paper further states that M. batesii is restricted to Cameroon and Gabon, and even then might represent more than one species due to its variability and broad distribution (meaning its distribution might actually be even more narrow).

Finally, I find only a few (older) collections of M. batesii in the Congo on GBIF; I wonder if their identities are based on the synonymization of M. christyi to M. batesii. Therefore, as with the Niger River occurrence for M. batesii, I'm removing the Congo as an occurrence location in the CLOG for M. batesii, but noting it here in case the action needs to be reversed at a later date.

Cheers, Eric
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Re: The catfish distributions sticky

Post by Jools »

Makes sense. M. polli and M. batesi are mixed up in the literature of old.


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Hemiancistrus’ punctulatus in the lower Yaguarón

Post by bekateen »

Serra, W.S., Scarabino, F., Wlodek, S., Furtado, G. & A. Balao. (2020). First record of ‘Hemiancistrus’ punctulatus Cardozo & Malabarba, 1999 for Uruguay (Siluriformes: Loricariidae). Boletín de la Sociedad Zoológica del Uruguay, 29(1): 28-34.

https://doi.org/10.26462/29.1.5
https://journal.szu.org.uy/index.php/Bo ... e/view/112
Abstract
A recent expedition to lower Yaguarón river basin in northeastern Uruguay, revealed the presence of the loricariid catfish Cardozo & Malabarba, 1999, which represents the first record of this species for the country. We propose it as an endangered species for Uruguay considering its restricted distribution.
ABSTRACT
Analyses of collections and recently captured specimens in an expedition to lower Yaguarón river basinin northeastern Uruguay, revealed the presence of theloricariid catfish ‘Hemiancistrus’ punctulatus Cardozo & Malabarba,1999, which represents the first record of thisspecies for the country. We propose it as an endangered species for Uruguay considering its restricted distribution. Differences with ‘Hemiancistrus’ megalopteryx are discussed
  • Key-Words: ‘Hemiancistrus’; Uruguay; first record; conservation priority.
Moderator's note: Oddly, this journal displays two different abstracts, depending on whether you're looking on the journal page (shorter abstract) or at the actual article (longer abstract).
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Hemiancistrus punctulatus map.png
Hemiancistrus punctulatus.png
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Micromyzon akamai in the Rio Curaray, Ecuador

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Chuctaya, J., Encalada, A. C., Barragán, K. S., Torres, M. L., Rojas, K. E., Ochoa‐Herrera, V., & Carvalho, T. P. (2020). New Ecuadorian records of the eyeless banjo catfish Micromyzon akamai (Siluriformes: Aspredinidae) expand the species range and reveal intraspecific morphological variation. Journal of Fish Biology.

https://doi.org/10.1111/jfb.14630
https://onlinelibrary.wiley.com/doi/abs ... /jfb.14630
PDF: https://onlinelibrary.wiley.com/doi/epd ... /jfb.14630
Abstract
Two specimens of , an eyeless and miniaturized species previously known only from deep channels of the eastern Amazon Basin in Brazil, are reported from the Curaray River, a tributary of the Napo River in Ecuador. The new specimens are the first records of Micromyzon in headwaters of the Amazon River and the first records of M. akamai outside Brazil. External morphological characters and a phylogenetic analysis of the cytochrome c oxidase I (COI) gene support identification of the new specimens as Micromyzon akamai. However, the new specimens also indicate that some features previously hypothesized to be apomorphic for Micromyzon akamai are intraspecifically variable.
  • KEYWORDS: Cytochrome c oxidase I (COI), freshwater fish, Napo, taxonomy, deep-channel fishes, Neotropical
Attachments
Figure 1. (A) Distribution of Micromyzon akamai in the Amazon basin. Black circles:<br />Distribution according to Carvalho et al., 2016. Red star: New record in Curaray River.<br />(B, C) MECN-DP 4371, 12.9 mm LS, new record, Curaray River, Napo Basin, Ecuador<br />in dorsal, lateral and ventral. (D) Phylogenetic relationships of Hoplomyzontinae (and<br />outgroups) supported by maximum likelihood (RAXML - GTRGAMMAI) using COI<br />sequences, with the inclusion of Micromyzon akamai collected from the Curaray River<br />(Ecuador), LA=Lower Amazon, MA=Marañon, MDD= Madre de Dios, NA= Napo, and<br />OR=Orinoco. Photos: J. Wingert (B, C)
Figure 1. (A) Distribution of Micromyzon akamai in the Amazon basin. Black circles:
Distribution according to Carvalho et al., 2016. Red star: New record in Curaray River.
(B, C) MECN-DP 4371, 12.9 mm LS, new record, Curaray River, Napo Basin, Ecuador
in dorsal, lateral and ventral. (D) Phylogenetic relationships of Hoplomyzontinae (and
outgroups) supported by maximum likelihood (RAXML - GTRGAMMAI) using COI
sequences, with the inclusion of Micromyzon akamai collected from the Curaray River
(Ecuador), LA=Lower Amazon, MA=Marañon, MDD= Madre de Dios, NA= Napo, and
OR=Orinoco. Photos: J. Wingert (B, C)
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Re: The catfish distributions sticky

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Guillermo E. Terán, Sergio Bogan, Stefan Koerber and Juliano Ferrer. First records for two catfishes from Argentina: Ituglanis australis Datovo & De Pinna, 2014 and Scleronema macanuda Ferrer & Malabarba, 2020 (Siluriformes: Trichomycteridae). Natural History (Third Series), 10 (3): 39-47.

https://fundacionazara.org.ar/img/revis ... _39-47.pdf
Abstract.
and are trichomycterid catfishes that inhabit freshwater basins from Pampa grasslands of southern Brazil and Uruguay. The aim of the present contribution is to report for the first time the presence of both species in Argentina. These new records are related to small streams of the Uruguay River basin in Entre Ríos province. Both were identified based on ichthyological collections that were made before they were formally described. With these reports the number of Argentinian trichomycterids is increasing to 42.
  • Key words: Entre Ríos, Trichomycteridae, Pampa grasslands, Ituglanis, Scleronema.
Resumen.
Ituglanis australis y Scleronema macanuda, son bagres tricomictéridos que habitan en las cuencas de la región de Pampa y Pastizales del sur de Brasil y Uruguay. En este trabajo documentamos por primera vez la presencia de estas especies en Argentina. Estos nuevos registros están vinculados a pequeños arroyos que forman parte de la cuenca del río Uruguay en la provincia de Entre Ríos y se lograron identificar gracias a la revisión de colecciones ictiológicas formadas años antes de que estas especies fueran descriptas formalmente. Los dos registros incrementan a 42 el número de especies de tricomictéridos documentados en la Argentina.
  • Palabras clave: Entre Ríos, Trichomycteridae, Pampa y Pastizales, Ituglanis, Scleronema.
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Re: The catfish distributions sticky

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Wilson S. Serra, Fabrizio Scarabino, Sabina Wlodek and Stefan Koerber. Confirmation of the presence of Zungaro jahu (Ihering, 1898) for Uruguay (Siluriformes: Pimelodidae) and a review of associated historical records for the country. Natural History (third series), 10 (3): 49-58.

https://fundacionazara.org.ar/img/revis ... _49-58.pdf
Abstract.
is a siluriform fish well known from the Paraná river but also recorded from the Argentinean coast of the La Plata river, based on well confirmed and illustrated records. The presence of Z. jahu is confirmed for the Uruguayan territory, based on a single juvenile specimen collected in the La Plata river (Colonia county) in 1966. Other records associated with this species for the country are discussed and corrected. Species of the genera Microglanis and Pseudopimelodus were frequently misidentified in literature and museum records, thus leaving the present record as the first confirmed one. It is recommended to carry out similar reviews all along the putative distribution area of Z. jahu, insisting in the incorporation of potential specimens into biological collections.
  • Key words: La Plata river, freshwater, Paulicea, Zungaro.
Resumen.
Zungaro jahu es un pez siluriforme bien conocido del río Paraná pero también registrado de la costa argentina del Río de la Plata, en base a material bien ilustrado y confirmado. Se confirma la presencia de Z. jahu para el territorio uruguayo, basado en un único ejemplar colectado en el Río de la Plata (Departamento de Colonia) en 1966. Otros registros referidos a esta especie para el país se discuten y corrigen. Especies de los géneros Microglanis y Pseudopimelodus fueron frecuentemente mal identificados en la literatura y en materiales depositados en museos, dejando el presente registro como el primero confirmado. Se recomienda llevar a cabo revisiones similares a lo largo de la supuesta área de distribución of Z. jahu, insistiendo en la incorporación de posibles ejemplares a colecciones biológicas.
  • Palabras clave: Río de la Plata, agua dulce, Paulicea, Zungaro.
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