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A New Driftwood Catfish Species of Tatia (Teleostei: Auchenipteridae) from the Western Amazon River Basin in Colombia

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A New Driftwood Catfish Species of Tatia (Teleostei: Auchenipteridae) from the Western Amazon River Basin in Colombia 1 Ichthyological Exploration of Freshwaters/IEF-1103/pp. 1-11 Published 16 February 2019 LSID: http://zoobank.org/urn:lsid:zoobank.org:pub:B9C9E3D7-A951-4272-853E-EC786650B4AF DOI: http://doi.org/10.23788/IEF-1103 A new driftwood catfish species of Tatia (Teleostei: Auchenipteridae) from the western Amazon River basin in Colombia Carlos DoNascimiento*, Juan Gabriel Albornoz-Garzón* and Jorge Enrique García-Melo**, *** Tatia caudosignata, new species, is described from terra firme streams of the Colombian Amazon. The new species is distinguished from congeners by its unique coloration pattern consisting of dorsal region of head and body cloaked in dark pigment, fading to pale towards ventral region; dorsal fin almost completely dark (excepting distal margin and last ray); narrow white bilobed band along base of caudal fin; and posterior margin of caudal fin with uniformly, darkly pigmented interradial membranes. Comments are provided on the phylogenetic af- finities of Tatia caudosignata. Tatia caudosignata, especie nueva, es descrita de arroyos de terra firme del Amazonas colombiano. La especie nueva se distingue de sus congéneres por su patrón de coloración único, consistiendo de región dorsal de la cabeza y cuerpo oscura, difuminándose hacia la región ventral pálida; aleta dorsal casi completamente negra (exceptuando el margen distal y el último radio); banda estrecha blanca, bilobulada, a lo largo de la base de la aleta caudal; y porción distal de la aleta caudal con membranas interradiales uniformemente oscuras. Comentarios sobre las afinidades filogenéticas de Tatia caudosignata son ofrecidos. Introduction (Ferraris, 2003; Birindelli, 2014). Centromochlins are defined by three exclusive synapomorphies, The Centromochlinae is a monophyletic group of all related to anatomical modifications of the anal auchenipterid catfishes characterized by mature fin of males (Soares-Porto, 1998; Birindelli, 2014): males having an anal fin modified to form an (1) anal fin obliquely oriented relative to body axis; intromittent organ (Soares-Porto, 1998; Birindelli (2) anal-fin proximal radials oblique relative to et al., 2015). As remaining auchenipterids, centro- the body axis and not interdigitated with hemal mochlins are inseminating fishes, a unique feature spines of the adjacent vertebrae; and (3) anal-fin that distinguishes this family among catfishes proximal radials partially or entirely fused togeth- * Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Villa de Leyva, Colombia. E-mail: [email protected], [email protected] ** Unidad de Ecología y Sistemática (Unesis), Pontificia Universidad Javeriana, Bogotá, Colombia. *** Grupo de Investigación en Zoología, Universidad del Tolima, Ibagué, Tolima, Colombia. E-mail: [email protected] Ichthyol. Explor. Freshwaters – ISSN 0936-9902 (print) © 2019 by Verlag Dr. Friedrich Pfeil, München, Germany www.pfeil-verlag.de 11 Literature cited Sarmento-Soares, L. M. & R. F. Martins-Pinheiro. 2008. A systematic revision of Tatia (Siluriformes: Birindelli, J. L. O. 2014. Phylogenetic relationships of Auchenipteridae: Centromochlinae). Neotropical the South American Doradoidea (Ostariophysi, Ichthyology, 6: 495-542. Siluriformes). Neotropical Ichthyology, 12: 451-564. Sarmento-Soares, L. M. & M. Porto. 2006. Comparative Birindelli, J. L. O., L. M. Sarmento-Soares & F. C. T. anatomy of the cheek muscles within the Centro- Lima. 2015. A new species of Centromochlus (Silu- mochlinae subfamily (Ostariophysi, Siluriformes, riformes, Auchenipteridae, Centromochlinae) from Auchenipteridae). Journal of Morphology, 267: the middle Rio Tocantins basin, Brazil. Journal of 187-197. Fish Biology, 87: 860-875. Sarmento-Soares, L. M., H. Lazzarotto, L. H. Rapp Py- DoNascimiento, C., E. E. Herrera-Collazos, G. A. Daniel & R. P. Leitão. 2016. A new Centromochlus Herrera-R, A. Ortega-Lara, F. A. Villa-Navarro, J. Kner, 1858 (Siluriformes: Auchenipteridae: Centro- S. Usma-Oviedo, J. A. Maldonado-Ocampo. 2017. mochlinae) from the transition between Amazon Checklist of the freshwater fishes of Colombia: a floodplain and Guiana shield, Brazil. Neotropical Darwin Core alternative to the updating problem. Ichthyology, 14: e160030. ZooKeys, 708: 25-138. Soares-Porto, L. M. 1998. Monophyly and interrela- Fricke, R., W. N. Eschmeyer & R. van der Laan (eds.). tionships of the Centromochlinae (Siluriformes: 2018. Catalog of fishes: genera, species, references. Auchenipteridae). Pp. 331-350 in: L. R. Malabarba et Available from http://researcharchive.calacademy. al. (eds.), Phylogeny and classification of Neotropi- org/research/ichthyology/catalog/fishcatmain. cal fishes. Edipucrs, Porto Alegre. asp. (accessed 25 September 2018). Taylor, W. R. & G. C. Van Dyke. 1985. Revised pro- Ferraris, C. J., Jr. 2003. Auchenipteridae. Pp. 470-482 in: cedures for staining and clearing small fishes and R. E. Reis et al. (eds.), Check list of the freshwater other vertebrates for bone and cartilage study. fishes of South and Central America. Edipucrs, Cybium, 9: 107-119. Porto Alegre. Vanegas-Ríos, J. A. & A. Urbano-Bonilla. 2017. A new Pavanelli, C. S. & A. G. Bifi. 2009. A new Tatia (Ostario- species of Chrysobrycon (Characiformes, Characidae, physi: Siluriformes: Auchenipteridae) from the Stevardiinae) from the Amazon River basin in rio Iguaçu basin, Paraná State, Brazil. Neotropical Colombia, with a new diagnostic characteristic for Ichthyology, 7: 199-204. the genus. Journal of Fish Biology, 90: 2344-2362. Royero, R. 1992. Tatia musaica, una nueva especie de Vari, R. P. & B. B. Calegari. 2014. New species of the bagre auqueniptérido (Siluriformes-Auchenipteri- catfish genus Tatia (Siluriformes: Auchenipteridae) dae) de la cuenca del río Orinoco, Territorio Federal from the rio Teles Pires, upper rio Tapajós basin, Amazonas, Venezuela. Acta Científica Venezuelica, Brazil. Neotropical Ichthyology, 12: 667-674. 43: 300-306. Vari, R. P. & C. J. Ferraris Jr. 2013. Two new species of the Sabaj, M. H. 2016. Standard symbolic codes for insti- catfish genus Tatia (Siluriformes: Auchenipteridae) tutional resource collections in herpetology and from the Guiana Shield and a reevaluation of the ichthyology: an online reference. Version 6.5 (16 Au- limits of the genus. Copeia, 2013: 396-402. gust 2016). American Society of Ichthyologists and Herpetologists, Washington, DC. Available from Received 29 September 2018 http://www.asih.org (accessed 25 September 2018). Revised 30 October May 2018 Accepted 26 January 2019 Ichthyol. Explor. Freshwaters, IEF-1103 The whole contribution can be Dieser Beitrag kann als purchased as PDF fi le. PDF-Datei erworben werden. Availability Verfügbarkeit von PDF-Dateien Prinzipiell sind von allen unseren Publikationen PDF- Generally all our publications are available as PDF fi les; Dateien erhältlich. Komplette Publikationen in der Regel full publications as a general rule after the printed version erst nachdem die gedruckte Version vergriffen ist. An- is out of print. If you have questions concerning particu- fragen bezüglich bestimmter Beiträge richten Sie bitte lar contributions please contact us by e-mail: per E-Mail an [email protected]. [email protected]. Die PDF-Dateien sind urheberrechtlich geschützt. The PDF fi les are protected by copyright. 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