Taxonomic revision of the Rineloricaria species (Siluriformes: Loricariidae) from the Paraguay River basin

Vera-Alcaraz, Héctor S.; Pavanelli, Carla Simone; Zawadzki, Cláudio Henrique

doi:10.1590/s1679-62252012000200006

Cited by 21 publications

(14 citation statements)

References 17 publications

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“…and Imparfinis sp.). Such difficulties in identification are common among freshwater fishes, and many recent studies of systematics and taxonomy in the Paraguai basin have attempted to resolve such problems in many taxonomic groups, including characiforms (Malabarba 2004;Benine et al 2009), gymnotiforms (Albert andCrampton 2003;, and siluriforms (Zawadzki et al 2010;Vera-Alcaraz et al 2012).…”

Section: Discussionmentioning

confidence: 99%

Fishes from the Parque Nacional do Pantanal Matogrossense, upper Paraguai River basin, Brazil

Polaz¹,

Melo²,

Britzke³

et al. 2014

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The Pantanal Biosphere Reserve contains one of the highest concentration of animal species in the Neotropics, including about 300 fish species living in diverse environments associated with wetlands in the upper Paraguai River basin. This biome spans portions of Bolivia, Brazil and Paraguay and includes the Parque Nacional do Pantanal Matogrossense (PNPM), a region of the Pantanal which has been assigned as high conservation priority in Brazil. This study reports the results of an ichthyological survey within the PNPM, where samples were taken at 12 sites during the dry season in 2001, 2010 and 2011. We record 182 species representing three classes, 10 orders and 41 fish families. We report the first occurrence of the genus Anchoviella (order Clupeiformes), in the La Plata basin. This survey will provide information for future studies concerning conservation and management plans for the PNPM as well as for the Pantanal, which is one of the largest permanent wetland areas in the world and among the most unique and important South American biomes.

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Section: Discussionmentioning

confidence: 99%

Fishes from the Parque Nacional do Pantanal Matogrossense, upper Paraguai River basin, Brazil

Polaz¹,

Melo²,

Britzke³

et al. 2014

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“…But evidence of faunistic mixing in shield rivers have accumulated in recent years as well. For the most part, they involve adjacent drainages: Tapajós and Paraguay (Shibatta, Pavanelli, 2005;Lima et al, 2007;Birindelli, Britski, 2009;Tapajós, Xingu (Campos-da-Paz, 1999;Birindelli et al, 2008;Menezes et al, 2009);Tapajós, Madeira (Netto-Ferreira, Vari, 2011;Varella et al, 2012); Xingu, Paraguay (Vari, 1991;da Graça et al, 2008;Aquino, Schaefer, 2010;Netto-Ferreira, Vari, 2011); Xingu, Tocantins (Zawadzki et al, 2008;Ingenito et al, 2013); Tocantins, Paraguay (Lucinda, 2005;); Tocantins, São Francisco (Vari, Harold, 2001;Lima, Caires, 2011;Dagosta et al, 2014;Freitas et al, 2015); Tocantins, Upper Paraná (Britski,1997;Lima, Caires, 2011); Madeira, Paraguay (Kullander, 1982;Reis, Malabarba, 1988;Kullander, 2003;Vari et al, 2005;Vera-Alcaraz et al, 2012;Ota et al, 2014); Madeira and Juruena (Dagosta et al, 2016). In all such examples, the hypothesis that ancestral populations of trans-basin taxa were once widespread in the two basins concerned can be refuted because the current watershed divide between them dates from the Precambrian and vastly predate the radiations of Teleostei in the Upper Cretaceous (c. 100-66 Ma) and predate also the origin of the basins themselves .…”

Section: E170034[13]mentioning

confidence: 99%

Biogeography of Amazonian fishes: deconstructing river basins as biogeographic units

2017

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Biogeography of Amazonian fishes (2,500 species in vastly disjunct lineages) is complex and has so far been approached only partially. Here, we tackle the problem on the basis of the largest database yet on geographical distribution and phylogenetic relationships of Amazonian fishes, including all information available. Distributions of 4,095 species (both Amazonian and outgroups) and 84 phylogenetic hypotheses (comprising 549 phylogenetically-informative nodes) were compiled, qualified and plotted onto 46 areas (29 Amazonian and 17 non-Amazonian). The database was analyzed with PAE, CADE, BPA and BPA 0 , yielding largely congruent results and indicating that biogeographic signal is detectable on multiple dimensions of fish distribution, from single species ranges to cladistic congruence. Agreement is especially pronounced in deeper components, such as Trans-Andean, Cis-Andean, Western Amazon and Orinoco basins. Results show that all major Amazonian tributaries, as well as the Amazon basin itself, are non-monophyletic and constitute hybrid sets of heterogeneous biotic partitions. Amazonian drainages should not be assumed a priori as historically cohesive areas, contrary to widespread practice. Our hypothesis allows reevaluation of broader issues in historical biogeography, such as the predictive power of biogeographic hypotheses, the vicariant/ dispersal duality, the significance of widely distributed taxa, and the need for temporal dimension in biogeographic patterns. A biogeografia dos peixes amazônicos (2.500 espécies de diferentes linhagens) é complexa e até agora foi abordada apenas parcialmente. Aqui abordamos o problema com base no maior banco de dados já feito sobre a distribuição geográfica e as relações filogenéticas dos peixes amazônicos, incluindo todas as informações disponíveis. A distribuição de 4.095 espécies (tanto amazônicas como de grupos-externos) e 84 hipóteses filogenéticas (que incluíam 549 nós filogeneticamente informativos) foram compiladas e qualificadas em 46 áreas (29 amazônicas e 17 não-amazônicas). O banco de dados foi analisado a partir das metodologias PAE, CADE, BPA e BPA0, resultando em topologias amplamente congruentes e indicando que o sinal biogeográfico é detectável em múltiplas dimensões, desde a simples distribuição de peixes até em congruência cladística. A concordância topológica é especialmente pronunciada em componentes mais profundos, como as bacias Trans-Andina, Cis-Andina, Amazonas Ocidental e Orinoco. Os resultados demonstram que todos os principais afluentes amazônicos, bem como a própria bacia amazônica, não são monofiléticos e constituem conjuntos híbridos formados a partir de parcelas bióticas heterogêneas. As drenagens amazônicas não devem ser consideradas a priori como áreas historicamente coesas, contrariamente à prática generalizada. Nossa hipótese permite a reavaliação de questões mais amplas na biogeografia histórica, como o poder preditivo de hipóteses biogeográficas, a dualidade vicariante/dispersão, significância de táxons amplamente distribuídos e a n...

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“…The identification of species by a taxonomist is important; however, access to specialists is not always easy for ecologists and conservation biologists Halme et al 2015). For example, for fish identification in the Loricariidae family, it is necessary to observe bony structures that require diaphanization with more costly and time-consuming procedures (see Loricariidae fish identification keys in Covain and Fisch-Muller 2007;Vera-Alcaraz et al 2012). Identification is also difficult for phytoplankton, as it may involve recognizing structures that are not always present in samples (e.g., depending on the algae sample fixation and preservation, some structures can be lost; for example, formalin causes flagella to fall off, hindering the identification of flagellated organisms) (Bicudo and Menezes 2006).…”

Section: Taxonomical Resolutionmentioning

confidence: 99%

Alternatives for the biomonitoring of fish and phytoplankton in tropical streams

Barbosa¹,

Machado²,

Vieira³

et al. 2019

NBC

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Biomonitoring programs need to balance accurate responses in assessments of changes in biological communities with sampling that is fast and low cost. In this study, we evaluated the concordance among fish and phytoplankton communities of streams. We tested the cross-taxa surrogacy, taxonomic, numerical resolution and ecological substitute group (habitat use and trophic guilds) resolution with Procrustes analyses aim of simplifying the biomonitoring process. We collect a total fish abundance of 8,461 individuals, represented by the ecological classes of habitat, including benthic, nektonic, nektobenthic, marginal and trophic guilds by detritivore, terrestrial invertivore, aquatic invertivore, piscivore, algivore and herbivore. We sampled a phytoplankton total density of 1,466.68 individuals/ml, represented by four Morphology-Based Functional Groups and nine Reynolds Functional Groups. Our results don’t support the use of substitute groups among fish and phytoplankton. For fish, habitat use and trophic guild are good surrogates for species-level data. Additionally, our results don’t support the use of functional groups as surrogates for phytoplankton. We suggest the use of higher taxonomic levels (genus and family) and record only the occurrence of species and/or genus for fish and phytoplankton. Our findings contribute to decreasing the costs and time of biomonitoring programs assessments and/or conservation plans on fish and phytoplankton communities of headwater streams.

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Taxonomic revision of the Rineloricaria species (Siluriformes: Loricariidae) from the Paraguay River basin

Abstract: Species of the genus

Cited by 21 publications

References 17 publications

Fishes from the Parque Nacional do Pantanal Matogrossense, upper Paraguai River basin, Brazil

Fishes from the Parque Nacional do Pantanal Matogrossense, upper Paraguai River basin, Brazil

Biogeography of Amazonian fishes: deconstructing river basins as biogeographic units

Alternatives for the biomonitoring of fish and phytoplankton in tropical streams

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