Results 31 to 40 of about 557 (135)

Coexistence of endemic peacock basses (Cichla) in a Neotropical reservoir (Cichlidae: Cichliformes) [PDF]

open access: yesNeotropical Ichthyology, 2022
Peacock basses (genus Cichla) are predatory fish widely distributed across the Amazon, where two or more species normally coexist in a same drainage. The mechanisms that allow coexistence remain poorly understood, although these species share a number of
Geovana de Souza Andrade   +1 more
doaj   +1 more source

Estrutura populacional de espécies do gênero Cichla (Osteichthyes: Cichliformes) introduzidas em diferentes regiões brasileiras : uma Revisão Bibliográfica [PDF]

open access: yes, 2022
Neotropical freshwater systems are essential refugia for global fish biodiversity. Tucunarés (Cichla spp) are endemic fishes of this biogeographic region, naturally occurring in Brazil and other South American countries such as Venezuela, Colombia ...
Cabrera Monteiro, Lucas
core   +2 more sources

A General Overview on Some Aspects of Fish Reproduction [PDF]

open access: yes, 2014
- Reproduction is one of the important physiological systems that are crucial in the life cycle of living organisms including fish. The main objective of the reproduction is to maintain the existence of the species and therefore fish have a strategies ...
Muchlisin, Z. A. (Zainal)
core   +3 more sources

Spar genetic analysis of two invasive species of Cichla (Tucunaré) (Perciformes: Cichlidae) in the Paraná river basin - doi: 10.4025/actascibiolsci.v33i1.4855

open access: yesActa Scientiarum: Biological Sciences, 2011
The introduction of exotic species in lake ecosystems has been greatly highlighted in the literature worldwide. Since introduction may threaten diversity of native fish, the issue turns up to be of paramount importance.
Giovanna Caputo Almeida-Ferreira   +3 more
doaj   +1 more source

Fish diversity in the rivers that drain the Baixada Maranhense and the Mearim basin in northeastern Brazil

open access: yesBrazilian Journal of Biology, 2023
The Baixada Maranhense Environmental Protection Area of the Brazilian state of Maranhão encompasses a biologically rich region that includes the basins of four principal rivers, the Mearim, Pericumã, Pindaré, and Turiaçu, which form a complex of wetlands.
D. Limeira-Filho   +10 more
doaj   +1 more source

Reproductive Aspects of Moenkhausia intermedia Eigenmann, 1908 (Pisces, Characidae) in the Upper Paraná River Basin, Brazil

open access: yesInternational Scholarly Research Notices, Volume 2011, Issue 1, 2011., 2011
The aim of this work was to determine the reproductive tactic of the population of Moenkhausia intermedia, inhabiting the Capivara Reservoir, lower Paranapanema River. Four different stretches of the reservoir were selected, and sampling was carried out quarterly, in the period from 2001 to 2004.
Armando César Rodrigues Casimiro   +6 more
wiley   +1 more source

Cichla kelberi Kullander, Ferreira 2006

open access: yes, 2018
Published as part of Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, pp. 1-111 in Neotropical Ichthyology 16 (2) on page 93, DOI: 10.1590/1982-0224-20170094, http://zenodo.org/record ...
Ota, Renata Rúbia   +3 more
openaire   +1 more source

Biologia e ecologia comparativas de Cichla Kelberi e Cichla Piquiti (Cichliformes, Cichlidae) no reservatório da UHE de Lajeado, rio Tocantins [PDF]

open access: yes, 2021
n the Tocantins River Basin there are two species of the genus Cichla that live in sympatry, Cichla kelberi and C. piquiti. Cichla piquiti is more abundant than its congener C. kelberi. The aim of the study was to compare the ecology and biology of C.
Andrade, Geovana de Souza
core  

Drastic reduction of the functional diversity of native ichthyofauna in a Neotropical lake following invasion by piscivorous fishes

open access: yesNeotropical Ichthyology, 2021
Biological invasions are leading several species to extinction and are projected as a main driver of biodiversity changes in lakes for this century.
Carla Patrícia de Souza   +3 more
doaj   +1 more source

Ictiofauna da bacia do Rio Jacaré-Guaçu, bacia do Alto Rio Paraná [PDF]

open access: yes, 2011
This study aimed to evaluate the fish fauna composition and distribution in different environments, up- and downstream the Gavião Peixoto Dam, in the Jacaré-Guaçu River basin.
ARCIFA, Marlene Sofia   +1 more
core   +2 more sources

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