Results 1 to 10 of about 251 (129)

Metazoan parasites of Hoplias aff. malabaricus, Trachelyopterus galeatus and Schizodon borellii (Osteichthyes) from the Protected Area and its main tributary, Brazil [PDF]

open access: goldBrazilian Journal of Veterinary Parasitology, 2023
A study of the parasite-host interactions was conducted in the protected area popularly known as the “Refúgio Biológico de Santa Helena” and its tributary, the São Francisco Falso River. For each of the three host species, Schizodon borellii, Hoplias aff.
Wagner Toshio Hasuike   +2 more
exaly   +6 more sources

Hoplias aff. malabaricus Bloch, 1794 (Characiformes: Erythrinidae) parasites [PDF]

open access: goldArquivos Do Instituto Biologico, 2018
: Aquatic organisms are a subject of great interest because of their nutritional value and their high availability as human food. As a result, an increasing number of studies are being conducted on potentially harmful aquatic organisms such as aquatic ...
Helcileia Dias Santos   +2 more
exaly   +6 more sources

Species of the Hoplias aff malabaricus complex (Characiformes: Erythrinidae): An investigation of coexistence in a Neotropical floodplain [PDF]

open access: goldZoologia, 2012
This study assessed the coexistence of three species of thraira present in the Upper Paraná River floodplain, using population structure as an investigation tool. The species were designated as: Hoplias sp.
Evanilde Benedito, Benedito Evanilde
exaly   +5 more sources

Piscivory by Hoplias aff. malabaricus (Bloch, 1794): a question of prey availability? [PDF]

open access: diamondActa Limnologica Brasiliensia, 2013
AIM: In order to understand the factors which influence the predatory activity of the Hoplias aff. malabaricus, the present study evaluated feeding habits of this species and its relation to prey availability, in addition to environmental variables ...
Maria Cristina Crispim
exaly   +5 more sources

Spatial and temporal distribution of larvae and juveniles of Hoplias aff. malabaricus (Characiformes, Erythrinidae) in the Upper Paraná River floodplain, Brazil [PDF]

open access: goldBrazilian Journal of Biology, 2002
Spatial and temporal distribution of larvae and juveniles of trahira, Hoplias aff. malabaricus (Erythrinidae), and their relationship with environmental parameters in the Upper Paraná River floodplain were analyzed. Sampling of larvae and juveniles of H.
Andrea Bialetzki
exaly   +5 more sources

Effects of water-soluble fraction of petroleum on growth and prey consumption of juvenile Hoplias aff. malabaricus (Osteichthyes: Erythrinidae) [PDF]

open access: goldBrazilian Journal of Biology, 2016
The influence of the water-soluble fraction of petroleum (WSF) on prey consumption and growth of juvenile trahira Hoplias aff. malabaricus was investigated.
R. M. Santos   +4 more
doaj   +3 more sources

Alimentação de Hoplias aff malabaricus (Bloch, 1794) e Oligosarcus robustus Menezes, 1969 em uma lagoa sob in?uência estuarina, Pelotas, RS

open access: goldBiotemas, 2009
Alimentação de Hoplias aff. malabaricus (Bloch, 1794) e Oligosarcus robustus Menezes, 1969 em uma lagoa sob in?uência estuarina, Pelotas, RS. O objetivo do presente trabalho foi o de estudar a dieta de Hoplias aff.
Fabiano Corrêa   +1 more
doaj   +4 more sources

Monogenea (Platyhelminthes) parasites from the gills of Hoplias aff. malabaricus (Bloch, 1794) (Pisces: Erythrinidae) in the Upper Paraná River Floodplain, states of Paraná and Mato Grosso do Sul, Brazil [PDF]

open access: goldCheck List, 2013
In this paper, nine species of Monogenea were recorded parasitizing the gills of Hoplias aff. malabaricus from the Upper Paraná River. The host were collected by gillnets in different regions to the Upper Paraná River Floodplain between March 2010 and ...
Rodrigo Graça   +3 more
doaj   +5 more sources

Acute and subchronic effects of petroleum on the freshwater fish Hoplias aff. malabaricus [PDF]

open access: goldBrazilian Journal of Biology, 2022
Petroleum water soluble fraction (WSF) impairs organisms, but damages may vary among cell and tissue levels. The aim of the present study was to evaluate the acute (24 h, 48 h, 72 h) and subchronic effects (36 days) of WSF (0%, 25% and 100%) in juveniles
R M Santos   +2 more
exaly   +4 more sources

Linking rivers, mixing faunas: How artificial connectivity between the Middle and Upper Paraná River basins shapes fish diversity in a tributary of the Itaipu Reservoir, Brazil. [PDF]

open access: yesJ Fish Biol
Abstract This work aimed to investigate the distribution and occurrence of fish species along the São Francisco Falso Braço Norte (SFFBN) River basin, a tributary of the Middle Paraná River basin now artificially connected to the Upper Paraná ecoregion, to evaluate how such connectivity may affect the biogeographic distribution and regional composition
Kampfert LEP   +5 more
europepmc   +2 more sources

Home - About - Disclaimer - Privacy