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Check List 8(3): 592-594, 2012 © 2012 Check List and Authors Chec List ISSN 1809-127X (Available at Journal of Species Lists and Distribution N Check List 8(3): 592-594, 2012 © 2012 Check List and Authors Chec List ISSN 1809-127X (available at www.checklist.org.br) Journal of species lists and distribution N ISTRIBUTIO New records of fishes (Actinopterygii: Ostariophysi) from D the Upper Tapajós River Basin 1 1 1, 2* RAPHIC G Fernando C. P. Dagosta , Murilo N. L. Pastana and André L. H. Esguícero EO G N 1 Universidade de São Paulo - FFCLRP, Laboratório de Ictiologia de Ribeirão Preto, Departamento de Biologia. Avenida dos Bandeirantes, 3900. CEP O 14040-901. Ribeirão Preto, SP, [email protected]. 2 Museu de Zoologia da Universidade de São Paulo, Avenida Nazaré, 481, Ipiranga. CEP 04218-970. São Paulo, SP, Brazil. OTES * Corresponding author. E-mail: N Abstract: Sartor Tatia intermedia Sartor The firstTatia report intermedia of (Anostomidae) and (Auchenipteridae) for the Upper Tapajós River Basin are presented here. is very rare on collections, and is reported only from the Trombetas, Tocantins and Upper Xingu river basins. is registered in the upper reaches of the Araguaia, Tocantins, Xingu, and Capim rivers, tributaries of the lower Amazon River in Brazil, northwards to the Suriname coastal rivers and the Essequibo River in Guyana. S. tucuruiense Since freshwater fishes are embedded within a It differs from by body depth (18.1-19.8 vs. terrestrial landscape that limits dispersal within and 23-25.9% of SL), caudal peduncle length (15-18.1 vs. 18.5- among drainage basins it can provide unique opportunities 20% of SL), caudal peduncle depth (8.6-9.8 vs. 10.4-11.2% for the identificationet al.of distribution patterns, which may of SL), interorbital width (38-41.8 vs. 43.3-45.5% of HL), reflect continental changes and biogeographical patternset al. head width (40.4-50.6 vs. 54.9-56.2% of HL), and orbital (Berra 2007; Olden 2010). The Neotropical freshwater diameter (21-23.7 vs. 18.5-20.4%S. elongatus of HL). Despite the ichthyofauna is the most diverse of the world (Reis sharing of an elongated and thin body (upSartor to 23% elongatus and 15.7% 2003) and the distribution of most species remain unclear. in SL, respectively) with , the specimens from Located in the Brazilian Shield and with 1,784 km Juruena River are distinguished from by length, the Tapajós River is a large southern tributary of the the caudal peduncle length (15-18.1 vs. 19.2-22.1% of SL), Amazon River (Costa 2007). The Upper Tapajós drainage and by the number of dark vertical bands (7-9 vs. 12-16). is defined as the region upstream the confluence of the Santos and Jégu (1987) reported the S.presence elongatus of twelve Teles Pires and Juruena rivers (Bertaco and Garutti 2007). to sixteen inconspicuousSartor elongatus dark vertical bands dorsally on As part of a general taxonomic revision of fish species from body not reaching the lateral line in . Facing the Upper Juruena River, we have been examining theSartor fish the lack of from different life stages aff.collection elongatus from this region deposited at LIRP (Laboratório to perceive, or not, ontogenetic modifications on color de Ictiologia de Ribeirão Preto), São Paulo, Brazil. pattern, the presence of only 7-9 dark bands in examined measurements were summarized in Table 1 specimensTable 1. from Juruena SartorRiver aff. Basin elongatus is interpreted as a and follow Santos and Jégu (1987) with the exclusion of Morphometric data of , LIRP 8176, from the interdosal distance, head height, snout height, and snout Upper Juruena River Basin (n = 9). SD = standardRange deviation.Mean SD width. In this paper we report the first record of one genus and one species of fish for the Upper Tapajós River Basin. Standard lenght (mm) 59.5 - 79.8 70.9 - Fishes were collected under SEMA (Secretaria de Estado Percents of standard length Orderdo Meio Characiformes Ambiente - Mato Grosso) permit # 11/2010. Body depth 18.1 - 19.8 19.0 0.5 0.7 Anostomidae Body width 13.0 - 14.1 13.5 0.4 1.3 Sartor aff. elongatus Predorsal distance 45.8 - 48.3 47.3 1.3 Sartor Prepelvic distance 49.9 - 54.3 51.4 0.7 (FigureS. elongatus 1A) Preanal distance 74.6 - 78.6 76.3 is very rare on collections and only S.three respectus valid Preadipose distance 83.8 - 86.1 84.4 species are recognized. Santos and Jégu, 1987 Dorsal to adipose 23.9 - 26.0 25.0 0.6 1.0 is reported S.from tucuruiense the Trombetas River Basin; Caudal peduncle depth 8.6 - 9.8 9.4 0.4 Myers and Carvalho, 1959 from the Upper Xingu River Caudal peduncle lenght 15.0 - 18.1 16.3 Head lenght 25.4 - 28.1 26.9 0.8 Basin; and Santos and Jégu, 1987 from the 1.3 Percents of head length Tocantins River Basin (Santos and Jégu 1987; Garavello 3.3 Interorbital width 38.0 - 41.8 39.4 and Britski 2003; Britski and Garavello 2007a). 2.3 S. respectusThe nine specimens collected (Appendix 1) in the Head width 40.4 - 50.6 46.1 Upper Juruena River (Figure 2) can be distinguished from Snout lenght 40.1 - 48.7 43.7 Orbital diameter 21.0 - 23.7 22.5 0.9 by having 16 circumpeduncular scales (vs. 12). 592 Dagosta et al. | New records Ostariophysi from the Upper Tapajós River Basin difference between both populations. Thus, regarding the small tributaries of the lower Amazon River in Brazil, fact of the specimens S.collected elongatus in the Upper Tapajós do Essequibo River in Guyana, and coastal rivers of Surinam. asnot Sartor completely aff. elongatus fit the .morphometric data and coloration The presence of this species on the Upper Tapajós Rivere.g. features attributed to we prefer to refer to it Basin furtheret al extends its distribution. The description of several species in the last years ( Moreiraet al. 2002; Lucena 2003; Britski and Garavello 2005; 2007b; Bertaco andet al. Carvalho 2005a, b; 2006; Fisch- Muller 2005; Bertaco and Garutti 2007; Bertaco and Malabarba 2007; Lima 2007; Britski and Lima 2008) reveal that the ichthyofauna of the Upper Tapajós River A Sartor aff. elongatus TatiaBasin intermediais highly endemic and poorly known. The present work extends the distribution of and adding these species records for the Upper Tapajós ichthyofauna. Acknowledgments: We are thankful to Ana C. Aquino and Hertz dos Santos for technical assistance at LIRP; to José L. de Figueiredo and B Osvaldo Oyakawa for curatorial assistance provided during visits to MZUSP and to anonymous referee for their comments. The authors were Figure 1. A) Sartor aff. elongatus Tatia benefited by the use of equipments acquired through the Fundação de intermedia Amparo à Pesquisa do Estado de São Paulo (FAPESP: 04/09219-6; , LIRP 8176, 78,65 mm SL. B) 09/54931-0). FCPD was financially supported by the Coordenação de , LIRP 8189, 37.04 mm SL. Aperfeiçoamento de Pessoal de Nível Superior (CAPES). Literature Cited Hemigrammus skolioplatus Bertaco, V.A. and T.P. Carvalho. 2005a.Comunicações New characid do Museu fish, de Ciências e Tecnologia da (Characiformes: PUCRS, Série Zoologia Characidae) from upper rio Tapajós drainage, Central Brazil. Hyphessobrycon hexastichos 18(2): 141-150. Bertaco, V.A. and T.P. Carvalho.Neotropical 2005b. Ichthyology A new characid fish, (Characiformes:2007. Characidae) New Astyanax from Chapada dos Parecis, Mato Grosso, Brazil. 3(3): 439-443. Bertaco,Neotropical V.A. and Ichthyology V. Garutti. from the upper rio Tapajós drainage, Central Brazil (Characiformes:Hasemania Characidae). 5(1): 25-30. Bertaco, V.A. and L.R.Copeia Malabarba. 2007. A New Species of from the Upper Rio Tapajós Drainage,2007. New Brazil Astyanax (Teleostei: Characiformes: Characidae). 2007(2): 350–354. Bertaco,Neotropical V.A. and Ichthyology V. Garutti. from the upper rio Tapajós drainage,Freshwater central fish Brazil distribution (Characiformes: Characidae). 5(1): 25-30. Berra, T.M. 2007. Chicago: UniversityLeporinus of Chicago Press. 606 p. Britski, H.A. and J.C.Comunicações Garavello. 2005. do Museu Uma denova Ciências espécie e Tecnologiade da PUCRS,Agassiz, Série 1829, Zoologia da bacia Amazônica (Ostariophysi: Characiformes: Figure 2. Sartor aff. elongatus Tatia intermedia Anostomidae). In 18(2): 75-83. Catálogo das espécies Records from (star) and Britski,de peixes H.A. and de água J.C. Garavello. doce do Brasil 2007a. Família Anostomidae; p .23-27 Order(square) inSiluriformes the Upper Juruena River, Upper Tapajós Basin. P.A. Buckup, N.A. Menezes and M.S. Ghazzi (ed.). Hisonotus . Rio de Janeiro: Museu Nacional. Auchenipteridae Britski, H.A. and J.C. Garavello. 2007b. Description of two new sympatric Tatia intermedia species of the genusBrazilian Journal Eigenmann of Biology & Eigenmann, 1889, from upper Rio Tapajós, Mato Grosso state, Brazil (Pisces:Hemigrammus Ostariophysi: (Steindachner 1877) (Figure 1B) Loricariidae). 67(3): 413-420. Britski, H.A. and F.C.T.Copeia Lima. 2008. A New Species of from TheTatia specimens collected in the Upper Juruena River the Upper Rio Tapajós Basin in Brazil (Teleostei: HyphessobryconCharaciformes: (Figure 2) have the externally recognizable characteristics Characidae). 2008(3): 565-569. of , proposed by Sarmento-Soares and Martins- Carvalho, T.P. and V.A. Bertaco.Neotropical 2006. Two Ichthyology new species of (Teleostei: Characidae)Rivulus from kayabi upper rio Tapajós Basin on Chapada dos Pinheiro (2008): caudal peduncle laterally compressed Parecis, Central Brazil. 4(3): 301-308. and deep with middorsalT. intermedia keel, eyes relatively large, first Costa,Ichthyological W.J.E.M. 2007. Exploration of Freshwaters, a new killifish from the Tapajós River unbranched anal fin-ray not segmented and anal fin base Basin, southern Brazilian Amazon (Cyprinodontiformes: Rivulidae). 18(4): 345-350. modified in males.
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