Results 51 to 60 of about 140 (104)

Ichthyofauna from the Emas National Park region: composition and structure

Brazilian Journal of Biology
The relationship between habitats and the ichthyofauna composition in the Parque Nacional das Emas (PNE) and adjacent areas (the Araguaia and Sucuriú rivers) are provided and could be applied in determining the Park's future zoning.
E. Benedito-Cecilio, C. V. Minte-Vera, C. H. Zawadzki, C. S. Pavanelli, F. H. G. Rodrigues, M. F. Gimenes   +5 more
doaj   +1 more source

ICTIOFAUNA DA FOZ DO RIO MAQUINÉ, TERRA DE AREIA, RIO GRANDE DO SUL, BRASIL

Pesquisa Agropecuária Gaúcha, 1998
O presente estudo foi realizado nos anos de 1984 e 1985, na foz do rio Maquiné junto a lagoa dos Quadros. Foram realizadas, 10 amostragens e coletados 6422 exemplares de peixes com rede de espera e rede picaré.
LUCIA BEATRIZ LOPES FERREIRA MARDINI, CARLOS VIRUEZ MARDINI   +1 more
doaj  

Food resources used by three species of fish in the semi-arid region of Brazil

Neotropical Ichthyology
Temporary and semi-permanent aquatic habitats in semi-arid Brazil have been reported as important sites supporting a diverse fish fauna. As such, they must be able to trophically sustain fish species that feed at different trophic levels. This study aims
Márcio J. da Silva, Bruno R. S. Figueiredo, Robson T. C. Ramos, Elvio S. F. Medeiros   +3 more
doaj   +1 more source

CONDITION of Hoplias aff. malabaricus (BLOCH, 1794) IN TWO COASTAL STREAMS of ITANHAEM RIVER BASIN, BRAZIL

, 2014
The main purpose of this research was to measure the condition of the fish species Hoplias aff. malabaricus collected in Aguapeu River (black waters) and Branco River (white waters), which belong to Itanhaem River basin, a coastal watershed in São Paulo state, Brazil. Individuals of Hoplias aff. malabaricus were sampled by using gill nets, monthly from
de Sant'Anna, Evandro Bonocchi, Goitein, Roberto   +1 more
openaire   +1 more source

Fish larvae from the upper Paraná River: do abiotic factors affect larval density?

Neotropical Ichthyology
The purpose of this study was to evaluate the role of abiotic factors on fish larvae occurrence. Samplings were carried out monthly at 12 stations (grouped in four areas) in the Amambaí, Ivaí and Paraná rivers and in the Itaipu Reservoir (upper Paraná ...
Gilmar Baumgartner, Keshiyu Nakatani, Luiz Carlos Gomes, Andréa Bialetzki, Paulo Vanderlei Sanches, Maristela Cavicchioli Makrakis   +5 more
doaj   +1 more source

Effects of river damming in Neotropical piscivorous and omnivorous fish: feeding, body condition and abundances

Neotropical Ichthyology
The increase in abundance of small-sized fishes is common after a reservoir is formed. There is an increase in the consumption of fish, from typically piscivorous fish to opportunistic species that take advantage of abundant resources. This study aims to
Larissa Strictar Pereira, Angelo Antonio Agostinho, Rosilene Luciana Delariva   +2 more
doaj   +1 more source

The Canal da Piracema at Itaipu Dam as a fish pass system

Neotropical Ichthyology
The Canal da Piracema is the longest (nearly 10 km) fish pass system in the world. The construction of this fish pass was somehow controversial, because it connected two distinct ichthyofaunistic provinces.
Sérgio Makrakis, Luiz Carlos Gomes, Maristela Cavicchioli Makrakis, Domingo Rodriguez Fernandez, Carla Simone Pavanelli   +4 more
doaj   +1 more source

Are scattered microsatellites weak chromosomal markers? Guided mapping reveals new insights into Trachelyopterus (Siluriformes: Auchenipteridae) diversity. [PDF]

PLoS One, 2023
Haerter CAG, Blanco DR, Traldi JB, Feldberg E, Margarido VP, Lui RL.   +5 more
europepmc   +1 more source

Diversity of Nematoda and Digenea from different species of characiform fishes from Tocantins River, Maranhão, Brazil. [PDF]

Rev Bras Parasitol Vet, 2022
Cárdenas MQ, Justo MCN, Reyes ADRP, Cohen SC.   +3 more
europepmc   +1 more source

ECOLOGICAL ASPECTS OF MONOGENEAN GILL PARASITES (PLATYHELMINTHES) FROM HOPLIAS AFF. MALABARICUS (BLOCH, 1794) (PISCES, ERYTHRINIDAE) IN A NEOTROPICAL FLOODPLAIN

, 2013
Analizamos 54 especímenes de Hoplias aff. malabaricus colectados entre marzo de 2010 y marzo de 2011 en la planicie de inundación Neotropical del alto rio Paraná, Brasil. Todos los hospederos fueron parasitados por lo menos con una especie de Monogenea.
Junio da Graça, Rodrigo, Lula Costa, Ana Paula, Massato Takemoto, Ricardo   +2 more
openaire   +1 more source