Astyanax puka was described from the endorheic Río Salí basin, Argentina, and it was not previously recorded elsewhere, being considered until now as endemic from that basin. Herein we record for the first time this species in the Río Juramento basin, Río de La Plata system.Fil: Teran, Guillermo Enrique. Consejo Nacional de Investigaciones Científico y Técnicas. Centro Científico Tecnológico  Tucumán. Unidad Ejecutora Lillo; ArgentinaFil: Aguilera, Gaston. Consejo Nacional de Investigaciones Científico y Técnicas. Centro Científico Tecnológico  Tucumán. Unidad Ejecutora Lillo; ArgentinaFil: Mirande, Juan Marcos. Consejo Nacional de Investigaciones Científico y Técnicas. Centro Científico Tecnológico  Tucumán. Unidad Ejecutora Lillo; Argentin

Aguilera, Gaston

Mirande, Juan Marcos

Teran, Guillermo Enrique

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Guillermo Terán

Gastón Aguilera

Juan Mirande

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First record of Astyanax puka Mirande, Aguilera &amp; Azpelicueta, 2007 (Teleostei: Characidae) in Juramento River basin, Salta, Argentina

Astyanax puka was described from the endorheic Río Salí basin, Argentina, and it was not previously recorded elsewhere, being considered until now as endemic from that basin. Herein we record for the first time this species in the Río Juramento basin, Río de La Plata system

Terán, Guillermo

Aguilera, Gastón

Mirande, Juan

NEUROSURGERY ENTHUSIASTIC WOMEN SOCIETY

First record of Astyanax puka Mirande, Aguilera & Azpelicueta, 2007 (Teleostei: Characidae) in Juramento River basin, Salta, Argentina [with erratum]

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Terán,Guillermo

Aguilera,Gastón

Mirande,Juan

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1231Journal of species lists and distributionChec ListNotes oN GeoGraphic DistributioNCheck List 10(5): 1231–1233, 2014© 2014 Check List and AuthorsISSN 1809-127X (available at www.checklist.org.br)basin. The specimens were collected near El Tunal dam, Metán department in Salta, Argentina. Astyanax puka is distinguished from the remaining species of the genus by the presence of one distally expanded maxillary tooth with 7–9 cusps and combination of characters given by Mirande et al (2007). Specimens from Río Salí basin and the ones from Río Juramento basin are morphologically indistinguishable, and they belong to the same species.Morphometric measurements of 24 specimens of A. puka from the Río Juramento basin are presented in Table 1. Voucher specimens are deposited in Colección Ictiológica Fundación Miguel Lillo, Tucumán (CI-FML 5878) (see Appendix 1).The presence of Astyanax puka in the Río Juramento basin is not surprising since, according to López et al (2008), the Juramento and Salí-Dulce basins are included in the Ichthyological Pampean province due to the share of several fish species. The finding of Astyanax puka in the Río Juramento basin provides new evidence that reinforces the hypothesis of a close historical relationship of both basins.The Río Juramento basin also shares elements with the Bermejo river basin, maybe because relatively malleable bedrock erosion, which potentially allows river captures on their heads. Therefore, although the populations are isolated at present, perhaps they had recent genetic exchanges (Mirande 2012).Astyanax puka lives in sympatry in the Juramento River with other species of the genus: A. abramis, A. asuncionensis, A. eigenmanniorum, and A. lineatus. Also, Astyanax rutilus was found in the middle Juramento-Salado basin, Figueroa dam, Figueroa department in Santiago del Estero (see Appendix 1).  Acknowledgements: We thank CONICET, Fundación Miguel Lillo, and FONCyT (PICT-2011-0992 to JMM) for support; two anonymous reviewers who improved the manuscript with their comments and suggestions; and Luis Lobo, Fabiana Cancino (FML) and Baltazar Bugeau (FML) for loan of specimens.The fish genus Astyanax Baird & Girard (Characi-formes: Characidae) is one of the dominant genera of South America freshwaters environments, including more than 140 nominal species (Eschmeyer and Fricke 2014). They present a wide distributional range, latitudinally from Patagonia in Argentina to New Mexico in the United States, and altitudinally from lowlands at sea level to mountain streams. Species of this genus are also found on both slopes of the Cordilleras from Ecuador to Mexico (Eigenmann 1917). This broad distribution is possible because this genus occupies a wide variety of environments in the Neotropical Region (Ringuelet 1975). In recent years, several species similar to Astyanax eigenmanniorum (Cope 1894) in the number of anal-fin rays and scales of the lateral line have been described from Argentina, e.g., Astyanax ojiara Azpelicueta & Garcia, 2000; Astyanax ita Almirón, Azpelicueta & Casciotta, 2002; Astyanax troya Azpelicueta, Casciotta & Almirón, 2002; Astyanax leonidas Azpelicueta, Casciotta & Almirón, 2002; Astyanax paris Azpelicueta, Almirón & Casciotta, 2002; Astyanax pynandi Casciotta; Almirón, Bechara, Roux & Ruíz Díaz, 2003; Astyanax chico Casciotta & Almirón, 2004; Astyanax hermosus Miquelarena, Protogino & López, 2005; Astyanax tumbayaensis Miquelarena & Menni, 2005; and Astyanax endy Mirande Aguilera & Azpelicueta, 2006. Astyanax puka Mirande, Aguilera & Azpelicueta, 2007 is one of those species, described from the endorheic Río Salí basin, northwestern Argentina. Mirande et al. (2007) considered this species to be endemic of the Río Salí basin, with specimens in the Mandolo and Salí rivers in the province of Tucumán (Figure 1).Río Juramento-Salado basin is an important fluvial system with about 1500 km from its origins — in the Calchaquies valley — to the Paraná River (Gonzo 2003). The study site corresponds to the upper portion of this basin.A thorough revision of specimens of Astyanax from the Río Juramento basin, El Tunal, Salta, Argentina (Figure 1), revealed that A. puka (Figure 2) is also present in that First record of Astyanax puka Mirande, Aguilera & Azpelicueta, 2007 (Teleostei: Characidae) in Juramento River basin, Salta, ArgentinaGuillermo Enrique Terán *, Gastón Aguilera and Juan Marcos Mirande Fundación Miguel Lillo—UEL-CONICET. Área Zoología. Instituto Vertebrados. Miguel Lillo 251. San Miguel de Tucumán, Tucumán. Argentina.* Corresponding author. e-mail: guilloteran@gmail.comAbstract: Astyanax puka was described from the endorheic Río Salí basin, Argentina, and it was not previously recorded elsewhere, being considered until now as endemic from that basin. Herein we record for the first time this species in the Río Juramento basin, Río de La Plata system. DOI: 10.15560/10.5.12311232Terán et al. | First record of Astyanax puka in Juramento basinLiterature CitedAlmirón, A.E., M.M. Azpelicueta and J.R Casciotta. 2002. Astyanax ita sp. n.—A new species from the Río Iguazú basin, in Argentina (Teleostei, Characiformes, Characidae). Zoologische Abhandlungen (Dresden) 52: 3–10. Azpelicueta, M.M. and J.O García. 2000. A new species of Astyanax (Characiformes, Characidae) from Uruguay river basin in Argentina, with remarks on hook presence in Characidae. Revue Suisse de Zoologie 107(2): 245–257 (http://biodiversitylibrary.org/page/41280393).Azpelicueta, M.M., J.R. Casciotta and A.E. Almirón, 2002a. Two new species of the genus Astyanax (Characiformes, Characidae) from the Paraná river basin in Argentina. Revue Suisse de Zoologie 109(2): 243–259 (http://biodiversitylibrary.org/page/41230123).Azpelicueta, M.M., J.R. Casciotta and A.E. Almirón. 2002b. Astyanax paris: A new species from the río Uruguay basin of Argentina (Characiformes, Characidae). Copeia 2002(4): 1052–1056 (doi: 10.1643/0045-8511(2002)002[1052:APANSF]2.0.CO;2).Casciotta, J.R. and A.E. Almirón. 2004. Astyanax chico sp. n., a new species from the río San Francisco basin, northwest of Argentina (Teleostei: Characiformes: Characidae). Zoologische Abhandlungen (Dresden) 54: 11–17.Casciotta, J.R., A.E. Almirón, J.A. Bechara, J.P. Roux, and Ruiz Diaz, F. 2003. Astyanax pynandi sp. n. (Characiformes, Characidae) from the Esteros del Iberá wetland, Argentina. Revue Suisse de Zoologie 110(4): 807–816 (http://biodiversitylibrary.org/page/41178156).Eigenmann, C.H. 1917. The American Characidae. Memoirs of the Museum of Comparative Zoology 43(1): 1–102.Eschmeyer, W.N. and R. Fricke (eds.). 2014. Catalog of Fishes Electronic Version. Available from: http://researcharchive.calacademy.org/research/Ichthyology/catalog/fishcatmain.asp. Captured on September 2014.Gonzo, GM de. 2003. Peces de los Ríos Bermejo, Juramento y Cuencas Endorreicas de la Provincia de Salta. Museo de Ciencias Naturales y Consejo de Investigación Universidad Nacional de Salta. 243 pp.López, H.L, R.C. Menni, M. Donato and A.M. Miquelarena. 2008. Biogeographical revision of Argentina (Andean and Neotropical Regions): An analysis using freshwater fishes. Journal of Biogeography 35: 1564–1579 (doi: 10.1111/j.1365-2699.2008.01904.x).Miquelarena, A.M. and R.C. Menni, 2005. Astyanax tumbayaensis, a new species from northwestern Argentina highlands (Characiformes: Characidae) with a key to the Argentinean species of the genus and comments on their distribution. Revue Suisse de Zoologie 112(3): Figure 1. Map of Tucumán and Salta provinces, located at Northern Argentina. Salta province is colored in yellow. The square indicates the study site in the Río Juramento basin (25°13′ S, 64° 28′ W). Full red spots show sites where Astyanax puka was collected in Sali-Dulce basin (for detailed map see Mirande et al 2007) an empty red spot indicates the place where Astyanax puka was record in Juramento River.Figure 2 Astyanax puka, CI-FML 5878, 44.0 mm SL, male, from El Tunal dam, Río Juramento basin, Salta, Argentina.1233Terán et al. | First record of Astyanax puka in Juramento basin661–676 (http://biodiversitylibrary.org/page/41226545).Miquelarena, A.M., L.C. Protogino and H.L. López. 2005. Astyanax hermosus, a new species from the Primero River basin, Córdoba, Argentina (Characiformes, Characidae). Revue Suisse de Zoologie 112(1): 13–20 (http://www.biodiversitylibrary.org/page/41187829).Mirande, J.M., G. Aguilera and M.M. Azpelicueta. 2006. Astyanax endy (Characiformes: Characidae), a new fish species from the upper Río Bermejo basin, northwestern Argentina. Zootaxa 1286: 57–68 (http://www.mapress.com/zootaxa/2006f/z01286p068f.pdf).Mirande, J.M., G. Aguilera and M.M. Azpelicueta. 2007. A new species of Astyanax (Characiformes: Characidae) from the endorheic río Salí basin, Tucumán, northwestern Argentina. Zootaxa 1646: 31–39 (http://www.mapress.com/zootaxa/2007f/z01646p039f.pdf).Mirande, J.M. 2012. Primer registro de Nantis indefessus (Characidae: Stevardinae) en la cuenca del Juramento, Salta, Argentina. Acta Zoológica Lilloana 56(1–2): 153–158.Ringuelet, R.A. 1975. Zoogeografía y ecología de los peces de aguas continentales de la Argentina y consideraciones sobre las áreas ictiológicas de América del Sur. Ecosur 2(3): 1–122.Received: May 2014Accepted: September 2014Published online: October 2014Editorial responsibility: Rubens PazzaAppendix 1Examined materialAstyanax puka. CI FML 5878, 27 ex. (3 C & S), 33.0–47.5 mm. Argentina, Salta, El Tunal. Río Juramento, Río Juramento basin. Río de La Plata system. 25°13′38″ S, 64°28′28″ W. 460 m above sea level.Comparative materialAstyanax abramis CI-FML 5040, 17 ex., 72.8–97.0 mm SL. Argentina, Salta, Río Juramento basin, Río Juramento. Astyanax asuncionensis CI-FML 6116, 6 ex, 32.5–40.3 mm SL. Argentina, Salta, Metán, Río Juramento basin, Río Juramento. CI-FML 5041, 1 ex., 58.7 mm SL. Argentina, Salta, Río Juramento basin, Río Juramento. Astyanax eigenmanniorum CI-FML 5043, 11 ex., 29.3–42.8 mm SL. Argentina, Salta, Río Juramento basin, Río Juramento. Astyanax eigenmanniorum. CI-FML 5468, 20 ex. (2 C & S), 37.9–55.5 mm. Brazil, Rio Grande do Sul, município de Mostardas, Lagoa Bacupari. Astyanax lineatus. CI-FML 5469, 22 ex., 46.8–74.4 mm SL. Argentina, Salta, Río Juramento basin, Río Arenales. Astyanax puka. Holotype. CI-FML 3844 male, 50.3 mm SL, Argentina, Tucumán, Monteros, Río Salí basin, Río Mandolo, under the bridge of Ruta Provincial 344. Paratypes: CI-FML 3849, 19 ex., 44.8–59.5 mm SL, collected with the holotype. CI-FML 3850, 3 ex. (3 C & S), 42.7–50.0 mm SL, collected with the holotype. CI-FML 3851, 2 ex., 53.4–60.1 mm SL, Argentina, Tucumán, Trancas, Río Salí basin, Río Salí at Balneario El Boyero. CI-FML 5371, 2 ex., 39.7–45.1 mm SL. Argentina, Tucumán, Simoca, Río Sali-Dulce basin, arroyo Pampa-Mayo. CI-FML 5804, 16 ex., 24.4–53.3 mm SL. Argentina, Tucumán, Simoca, Río Sali-Dulce basin, arroyo Los Perez. A. rutilus. CI-FML 5251, 313 ex. (4 C & S), 38.8–68.5 mm SL, Argentina, Santiago del Estero, Embalse Figueroa, Río Salado, Río Juramento-Salado basin, Río de La Plata system.RANGE MEAN SDStandard length 33.0–47.5 41.4 3.8% of standard lengthPredorsal distance 17.2–25.3 21.6 2.1Preanal distance 21.7–30.8 26.4 2.4Preventral distance 15.7–26.2 20.3 2.3Body depth 12.2–18.2 15.3 1.6Dorsal-fin base 4.3–7.1 5.7 0.7Anal-fin base 9.9- 15.4 12.9 1.3Pectoral-fin length 7.3–11.2 9.1 1.0Pelvic-fin length 5.4–9.0 7.2 0.8Pectoral to pelvic-fin distance 7.0–9.8 8.4 1.0Pelvic to anal-fin distance 5.9–9.0 7.6 0.9Head length 9.5–13.8 11.5 1.0Peduncle depth 3.8–5.8 4.9 0.5Peduncle length 3.2–4.9 4.1 0.5% head lengthEye diameter 3.5–4.8 4.3 0.3Interorbital width 3.2–4.1 3.6 0.3Postorbital distance 4.1–6.6 5.0 0.6Snout length 2.0–2.9 2.6 0.2Maxillary length 1.9–3.0 2.5 0.2Upper-jaw length 3.0–4.5 3.8 0.4Table 1. Morphometrics of 24 specimens of Astyanax puka, CI-FML 5878.

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First record of Astyanax puka Mirande, Aguilera & Azpelicueta, 2007 (Teleostei: Characidae) in Juramento River basin, Salta, Argentina

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First record of Astyanax puka Mirande, Aguilera &amp;amp; Azpelicueta, 2007 (Teleostei: Characidae) in Juramento River basin, Salta, Argentina [with erratum]

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First record of Astyanax puka Mirande, Aguilera & Azpelicueta, 2007 (Teleostei: Characidae) in Juramento River basin, Salta, Argentina

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