Composição em tamanho dos peixes (Actinopterygii, Teleostei) de ribeirões da bacia do rio Tibagi, Paraná, Brasil

Shibatta, Oscar Akio; Cheida, Carolina Carvalho

doi:10.1590/s0101-81752003000300016

Cited by 19 publications

(16 citation statements)

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“…According to Shibatta et al (2002) and Vazzoler (1996), all specimens collected are small sized (200 mm or less) reflecting the expected pattern for streams of upper Paraná river basin, where more than 65% of all fish species described for this kind of environment are of small size (Langeani et al 2007). According to Castro (1999) and Shibatta and Cheida (2003), one of the factors that can influence the small size of the species is the instability of the environmental conditions of the streams.…”

Section: Discussionmentioning

confidence: 99%

Diversity and distribution of ichthyofauna in streams of the middle and lower Tibagi river basin, Paraná, Brazil

Claro-García¹,

Assega²,

Shibatta³

2018

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This study investigates the distribution and structure of the assemblages of fishes in tributaries of middle and lower sections of Tibagi river basin. The samples were conducted quarterly from December 2013 through December 2014, in 24 sampling sites of 8 tributaries. A total of 5643 individuals belonging to 44 species distributed in 13 families and 5 orders are reported. The families Characidae, Loricariidae, and Heptapteridae were predominant; Astyanax paranae, Phalloceros harpagos, Piabina argentea, Astyanax bockmanni, and Trichomycterus davisi were the most abundant species. Four non-native species were collected: Coptodon rendalli, Poecilia reticulata, Xiphophorus hellerii, and Oreochromis niloticus. The fish fauna of the middle and lower sections of Tibagi river basin has previously been threatened by human activities such as urbanization, industry, agriculture, and currently with dam construction.

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Section: Discussionmentioning

confidence: 99%

Diversity and distribution of ichthyofauna in streams of the middle and lower Tibagi river basin, Paraná, Brazil

Claro-García¹,

Assega²,

Shibatta³

2018

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“…From the collected fish species, 98.35 ± 0.73% belonged to the orders Characiformes and Siluriformes, reflecting the expected pattern for Neotropical streams (e.g., Castro 1999, Casatti et al 2001, Shibatta & Cheida 2003, Couto & Aquino 2011. The most abundant species was Phalloceros harpagos, which was mainly collected in the middle segment of the João Pinheiro stream and in the headwater and middle segments of the Rio Preto (JP-2, RP-1 and RP-2).…”

Section: Discussionmentioning

confidence: 63%

“…The lower order channel segments of the Tibagi basin have a high richness of small size fish species, but also show a wide richness variation among different tributaries (Shibatta & Cheida 2003). Abilhoa et al (2011) analyzing ecological patterns and conservation of the Atlantic Rain Forest streams pointed that it's highly important to divide areas into units with similar fish assemblages, natural communities and ecosystem dynamic.…”

Section: Introductionmentioning

confidence: 99%

Longitudinal patterns of fish assemblages in mountain streams from tropical forest biome

et al. 2013

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Abstract:The aim of this study was to verify structure patterns in fish assemblages in mountain streams of the Rio Tibagi basin through the characterization of spatial and temporal variations in the composition of fish species. Samples were collected in three segments of the Varanal, João Pinheiro and Rio Preto streams. We collected 1154 specimens belonging to 21 species. The most abundant orders were Characiformes (59.01 ± 2.84%) and Siluriformes (39.34 ± 2.82%). Phalloceros harpagos was the most abundant species with 433 individuals, followed by Trichomycterus aff. davisi, with 292 individuals. No temporal variations (between seasons) were detected, but the cluster analysis suggests a separation of species composition between the segments closer to the headwaters and those more distant. The first two axes of the Canonical Correspondence Analysis (CCA) explained 80.09% of the variation in species abundance, and the variables that structured the fish assemblages in those streams were the stream width, depth, water speed, flow rate, conductivity and pH. Resumo: O objetivo deste trabalho foi verificar padrões na estrutura de assembleias de peixes nos riachos de montanha da bacia do rio Tibagi através da caracterização de variações espaciais e temporais na composição de espécies de peixes. Foram realizadas coletas em três trechos dos riachos Varanal, João Pinheiro e Rio Preto. No total foram coletadas 21 espécies, em um total de 1154 indivíduos. As ordens mais abundantes foram Characiformes (59,01 ± 2,84%) e Siluriformes (39,34 ± 2,82%). Phalloceros harpagos foi a espécie mais abundante, com 433 indivíduos, seguida por Trichomycterus aff.davisi com 292 indivíduos. Não foi verificada variação temporal (entre estações), mas a análise de agrupamento sugere uma separação na composição de espécies entre os trechos mais próximos das nascentes dos trechos mais afastados. Os dois primeiros eixos da Análise de Correspondência Canônica (CCA) explicaram 80,09% da variação na distribuição em abundância das espécies de peixes, sendo que as variáveis que estruturam a assembleia de peixes nos riachos estudados foram a largura, a profundidade, a velocidade da água, a vazão, a condutividade e o pH dos riachos. Palavras-chave: ictiofauna, peixes de água doce, peixes neotropicais, riachos de baixa ordem, bacia do rio Tibagi. 65Patterns of fish assemblages in mountain streams http://www.biotaneotropica.org.br Biota Neotrop., vol. 13, no. 3 composition and possible relationships between the sampled species and environmental variables in each sampled segment. In this way, we hope to contribute to the knowledge about the ecology of mountain stream fishes of the Atlantic Rain Forest. Material and Methods Study areaSamples were taken in the headwater, middle portion and mouth segments of the Varanal, João Pinheiro and in the upper portion of the Rio Preto streams (Figures 1 and 2). The order of each sampled segment was defined with aid of cartographic letters with scale 1:250,000 (Strahler 1957). The Varanal stream is a tributary of the...

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“…Incidence of medium to large sized species was higher than observed in creeks and streams (1st to 3rd order stretches) already studied in the upper Paraná River drainage, which presented from 0.5 to 1% of individuals greater than 150 mm (Castro et al 2003(Castro et al , 2004(Castro et al , 2005. In a study focussed on fish assemblage body size structure of streams in the Tibagi River basin, Shibatta and Cheida (2003) also reported predominance of small-sized species and the occurrence of young individuals of larger species, suggesting that streams are important places for early life stages of these species.…”

Section: Discussionmentioning

confidence: 99%

Fish assemblage structure of the Ipanema River, a small lotic environment partially protected by a Conservation Unit in southeastern Brazil

et al. 2013

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A study on the fish assemblage of the Ipanema River, a small affluent of the Tietê River basin in southeastern Brazil, was performed aiming to look for structural patterns of species diversity in small lowland lotic environments. Fish samplings were performed every two months from June 2003 to April 2004 at four sample sites located on the lower stretch of the river. Local assemblage showed to be species rich, with fifty-two species belonging to Characiformes (25 spp.), Siluriformes (19 spp.), Cyprinodontiformes (3 spp.), Gymnotiformes (2 spp.), Perciformes (2 spp.), and Synbranchiformes (1 sp.). Fish fauna was composed of small-sized species (<200 mm SL) and by individuals of medium (up to 400 mm SL) to large (more than 400 mm SL) sized species. The Ipanema River, such as other small lotic transitional environments in the upper Paraná River drainage, is considered important for conservation of fish fauna because they cover available habitats for persistent populations of small-sized species and for non-persistent individuals or shoals of medium and large-sized fish species, which occupy other habitats along their life-history (e. g. floodplains, oxbow lakes, main channel of great rivers). The importance of the Ipanema River basin for fish fauna conservation is also reinforced by the fact that it is located in a highly impacted region of southeastern Brazil, near the São Paulo metropolitan area.Keywords: community structure, body size, conservation, neotropical, streams, upper Paraná River. Estrutura da assembleia de peixes do Rio Ipanema, um pequeno ambiente lótico parcialmente protegido por uma Unidade de Conservação no Sudeste do Brasil ResumoUm estudo sobre a estrutura da assembleia de peixes do Rio Ipanema, um pequeno afluente da bacia do Rio Tietê, no Sudeste do Brasil, foi realizado com o objetivo de buscar padrões estruturais de diversidade de espécies em pequenos ambientes lóticos de planícies. Peixes foram coletados a cada dois meses, de junho de 2003 a abril de 2004, em quatro locais de amostragem situados no trecho inferior do rio. A assembleia de peixes se mostrou rica em espécies, com 52 espécies registradas, pertencentes a 40 gêneros, 19 famílias e às ordens Characiformes (25 spp.); Siluriformes (19 spp.); Cyprinodontiformes (3 spp.); Gymnotiformes (2 spp.); Perciformes (2 spp.), e Synbranchiformes (1 sp.). A fauna de peixes foi composta por espécies de pequeno porte (<200 mm CP) e por indivíduos de espécies que atingem porte médio (até 400 mm CP) e grande (mais de 400 mm CP). O Rio Ipanema, assim como outros pequenos ambientes lóticos de transição entre riachos e grandes rios na drenagem do Alto Rio Paraná, são considerados importantes para a conservação da ictiofauna porque representam habitats disponíveis para populações persistentes de espécies de pequeno porte e para indivíduos ou cardumes não persistentes de espécies de médio e grande porte, que podem ocupar outros habitats (por exemplo, as lagoas marginais, as planícies de inundação e as calhas principais de grandes rios), durante o...

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Composição em tamanho dos peixes (Actinopterygii, Teleostei) de ribeirões da bacia do rio Tibagi, Paraná, Brasil

Cited by 19 publications

References 1 publication

Diversity and distribution of ichthyofauna in streams of the middle and lower Tibagi river basin, Paraná, Brazil

Diversity and distribution of ichthyofauna in streams of the middle and lower Tibagi river basin, Paraná, Brazil

Longitudinal patterns of fish assemblages in mountain streams from tropical forest biome

Fish assemblage structure of the Ipanema River, a small lotic environment partially protected by a Conservation Unit in southeastern Brazil

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Composição em tamanho dos peixes (Actinopterygii, Teleostei) de ribeirões da bacia do rio Tibagi, Paraná, Brasil

Cited by 19 publications

References 1 publication

Diversity and distribution of ichthyofauna in streams of the middle&nbsp;and lower Tibagi river basin, Paran&aacute;, Brazil

Diversity and distribution of ichthyofauna in streams of the middle&nbsp;and lower Tibagi river basin, Paran&aacute;, Brazil

Longitudinal patterns of fish assemblages in mountain streams from tropical forest biome

Fish assemblage structure of the Ipanema River, a small lotic environment partially protected by a Conservation Unit in southeastern Brazil

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Diversity and distribution of ichthyofauna in streams of the middle and lower Tibagi river basin, Paraná, Brazil

Diversity and distribution of ichthyofauna in streams of the middle and lower Tibagi river basin, Paraná, Brazil