2010
DOI: 10.1590/s1679-62252010000100001
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Abstract: Hyphessobrycon nicolasi is described from the Uruguay River basin in the Mesopotamian Region, Entre Ríos, Argentina. The new species can be distinguished from all congeners by the presence of a well-defined oblique and marginal black stripe on each lobe of the caudal fin. Other characters defining H. nicolasi are the possession of 1-3 teeth with 3-10 cusps on maxilla; outer premaxillary row with 2-3 small teeth, with 5 or 7 cusps; iv-vi, 27-36 anal-fin rays; 33-36 scales on the longitudinal series; two vertica… Show more

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Cited by 6 publications
(7 citation statements)
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References 12 publications
(12 reference statements)
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“…Hyphessobrycon Durbin is one of the most speciose, widespread and taxonomically poorly known genera of the family Characidae, with more than 120 valid species including a series of recently described ones, distributed from southern Mexico to río de La Plata in Argentina (e.g., Carvalho & Bertaco, 2006;Bertaco et al, 2007;Benine & Lopes, 2008;Carvalho et al, 2008;Garzía-Alzate et al, 2010a, 2010bMiquelarena & López, 2010). The recognition of groups of species within Hyphessobrycon is based primarily on similarities of color patterns and a hypothesis of its intrarelationships is currently unavailable, except for the rosy tetra clade proposed as monophyletic by Weitzman & Palmer (1997) (Eigenmann) and H. santae (Eigenmann) from the rio São Francisco basin.…”
Section: Introductionmentioning
confidence: 99%
“…The differences in male and female anal‐fin shape observed herein is often used as a character in the study of Characidae systematics (Miquelarena & Aquino, ; Canan & Gurgel, ; Miquelarena & Aquino, ; Bertaco & Lucinda, ; Carvalho, ; Carvalho & Bertaco, ; Matheus, ; Bertaco et al, ; Carvalho et al, ; Lucena & Malabarba, ; Carvalho, ; Jerep & Malabarba, ). Nevertheless, there can be intrageneric variation in this pattern; for example, anal‐fin shape is similar in males and females of H. togoi (Oyakawa et al, ) and Hyphessobrycon nicolasi Miquelarena & López, (Miquelarena & López, ).…”
Section: Discussionmentioning
confidence: 99%
“…In some Hyphessobrycon spp., including H. igneus, males have hooks on the pelvic and anal fins (Lima & Moreira, 2003;Carvalho, 2006;Garcia-Alzate & Román-Valencia, 2008;Garcia-Alzate et al, 2010). In other Characidae species, males lack hooks on their fins (Bertaco & Carvalho, 2005;Garcia-Alzate & Román-Valencia, 2008), have hooks only on their anal fin (Bertaco et al, 2007;Garcia-Alzate & Román-Valencia, 2008;Carvalho, 2011), have hooks on three or more ( , 0-4; , 5-9; , 10-14; , 15-19; , >20) distinct fins (Bertaco & Malabarba, 2005;Garcia-Alzate & Román-Valencia, 2008;Miquelarena & López, 2010), or have hooks on all their fins (Miquelarena & López, 2006;Bertaco et al, 2007;Camelier & Zanata, 2014). The latter condition is the most unusual in the family (Miquelarena & López, 2006;Bertaco et al, 2007).…”
Section: Discussionmentioning
confidence: 99%
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