1999
DOI: 10.1590/s0101-81751999000400016
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Abstract: ABSTRACT. Reproductive indicators of Paraucheniplerus slrialu/us (Steindachner) (Pisces, Auchenipteridae) in the Ribeirão das Lajes reservoir, Rio de Janeiro, Brasil. Parauchenipterus striatulus is a representative of the freshwater catfish with wide distribution in the South America region. Despite of being a very abundant fish in rivers and reservoirs of this region, little is known about its biology and ecology. ln Ribeirão das Lajes reservoir (22°42'S -22°50'S, 43°53'-44°05'W, Rio de Janeiro), the Rio de J… Show more

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Cited by 7 publications
(3 citation statements)
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“…8). This long reproductive period supported Nikolsk's conclusions (1963) that species from tropical regions tended to present a long reproductive period, which was observed by several other authors (Aranha et al, 1993, Araújo et al, 1999, Araújo and Garutti, 2002and Mazzoni et al, 2002. Both the Astyanax species under study presented differences in the populational aspects.…”
Section: 3313supporting
confidence: 87%
“…8). This long reproductive period supported Nikolsk's conclusions (1963) that species from tropical regions tended to present a long reproductive period, which was observed by several other authors (Aranha et al, 1993, Araújo et al, 1999, Araújo and Garutti, 2002and Mazzoni et al, 2002. Both the Astyanax species under study presented differences in the populational aspects.…”
Section: 3313supporting
confidence: 87%
“…Several researchers have characterized the reproductive dynamics and their relationship with the breeding season through knowledge of some quantitative indexes such as gonadosomatic index, hepatosomatic index and condition factor (Araújo et al, 1999;Querol et al, 2002;Gomiero & Braga, 2006;Braga et al, 2009;Holzbach et al, 2009;Freitas et al, 2011;Moraes & Braga, 2011). The condition factor is indicative of specimens' health, and it is widely used both in research on aquaculture and fish ecology, in natural and laboratory environments (Camara et al, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…(b)]. This pattern found here in the Amazon Basin, has been described for catfishes from other areas, including Trachelyopterus striatulus (Steindachner 1877), Trachelyopterus galeatus (L. 1766) and Trachelyopterus lucenai Bertoletti, Pezzi da Silva & Pereira 1995 (Araújo et al ., ; Medeiros et al ., ; Maia et al ., ). This may be because, in tropical freshwater systems, fluctuations in precipitation rates constitute the principal abiotic factor affecting ecosystems, mainly due to the runoff of nutrients from terrestrial systems, contributing to the increase in feeding resources and the overall enrichment of the aquatic ecosystems during this period (Filho et al ., ).…”
mentioning
confidence: 99%