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Artificial reefs and their effects on fish assemblages in a Brazilian reservoir and Tailrace
(2002-12-01)
In this paper, we evaluate the effects of artificial reefs on fish assemblages in a hypereutrophic reservoir and in the lotic zone immediately below dam. Fish diversity was highest in the lotic zone relative to the reservoir. ...
Factors affecting fish diversity and abundance in drying ponds and lagoons in the upper Paraná River basin, Brazil
(2003-07-10)
Monthly samples were taken from April 1992 to March 1993 of fish assemblages present in six permanent lagoons and four ponds, fragmented from them during the drought period and during the terminal phases of desiccation, ...
Ichthyofauna diversity in a protected area in the state of São Paulo, southeastern Brazil
(Instituto Internacional de Ecologia, 2006-02-01)
A região abordada encontra-se na Área de Proteção Ambiental das cuestas de São Pedro e Analândia, interior do Estado de São Paulo, com grande ação antrópica em seus cursos d'água. Duas bacias foram estudadas (sub-bacia do ...
Ecologia da ictiofauna de um córrego de cabeceira da bacia do alto rio Paraná, Brasil
(Fundação Zoobotânica do Rio Grande do Sul, 2002-09-01)
Ecological studies were conducted in the ichthyofauna of Cedro, a small headwater stream located in a degraded area of State of São Paulo, Brazil, situated in the upper Paraná River basin. These are the results of two ...
Ocorrência do peixe-pescador-branco, Lophiodes beroe Caruso, 1981 (Lophiiformes: Lophiidae), em águas brasileiras
(2009-08-14)
One specimen of the lophiid white anglerfish, Lophiodes beroe was collected for the second time in Brazilian waters, which far extends the limit distribution of the species to southeastern region (25°00'08).
Feeding selectivity of ichthyofauna in a tropical stream: space-time variations in trophic plasticity
(Akademiai Kiado, 2011-06-01)
In studies on the partitioning of resources, one issue which has been largely neglected is the change in feeding habits based on the availability of food in the environment, an aspect which is dealt with here with regard ...
Feeding habits of the ichthyofauna in a protected area in the State of São Paulo, southeastern Brazil
(Instituto Virtual da Biodiversidade, 2008-03-01)
Foram analisadas duas bacias em uma área com forte ação antrópica no interior do Estado de São Paulo, enfocando as relações tróficas das comunidades de peixes. Foram analisados 211 estômagos de 14 espécies. As dietas foram ...
Interference of cage fish farm on diet, condition factor and numeric abundance on wild fish in a Neotropical reservoir
(2013-11-15)
Historically, the ichthyofauna of large Brazilian rivers has been subject to anthropogenic interference, such as impoundments. Currently, cage fish farming systems are a new source of impact on aquatic ecosystems. The ...
Checklist of freshwater ichthyofauna from coastal streams of Juréia-Itatins Reserve, Southeastern Brazil
(2013-05-07)
The Juréia-Itatins Ecological Station (JIES) is one of the few protected areas in the state of São Paulo, which harbor a significant portion of the Atlantic forest. Although there is high diversity and endemism of fish ...
Headwater stream fish fauna from the upper paranapanema river basin
(Hindawi Publishing Corp, 2016)
The Parana River basin has about 600 fish species. In the Upper Parana, 310 fish species were recorded, with 52 species were registered in the streams and headwaters of the Paranapanema River. The aim of this study was to ...