Results 91 to 100 of about 644 (186)

Stability and spatio-temporal structure in fish assemblages of two floodplain lagoons of the lower Orinoco River

open access: yesNeotropical Ichthyology
Fish assemblage structure and variability were analyzed in two floodplain lagoons (Las Arhuacas and Los Cardonales) along the lower Orinoco over a hydrological cycle.
Nirson González   +2 more
doaj   +1 more source

Fresh vs. Preserved Specimens: Length‐Weight Relationships of Fishes from the Western Amazon (Napo Basin, Ecuador)

open access: yesJournal of Applied Ichthyology, Volume 2024, Issue 1, 2024.
Length‐weight relationship (LWR) studies are important for fish taxonomical analysis, ecological assessments, management, and conservation practices. Although LWR studies can use measurements of either fresh or preserved specimens, few studies have directly compared these methods. This study analyzed the effect of preservation on LWR of ten small‐sized
Karla S. Barragán   +5 more
wiley   +1 more source

Gyrodactylidae (Monogenea: Platyhelminthes) gill parasites of Tetragonopterinae (Characiformes: Characidae) from the upper Paraná River floodplain, Brazil

open access: yesActa Limnologica Brasiliensia, 2017
Aim: This study records Gyrodactylus neotropicalis and Anacanthocotyle anacanthocotyle in new hosts: Astyanax lacustris and Moenkhausia forestii, on the upper Paraná river floodplain. Besides, ecological aspects of the parasites distribution are explored.
Eloiza Muniz Capparros   +1 more
doaj   +1 more source

Taxonomy of Moenkhausia australis Eigenmann, 1908 (Characiformes, Characidae) with a discussion on its phylogenetic relationships

open access: yes, 2019
The species Moenkhausia australis was described based on two specimens from arroyos Trementina and Chagalalina, Rio Paraguai basin, Paraguay. Its taxonomic history is complex and for many years the species was considered a synonym of Moenkhausia ...
AANA MARIA P. F. VICENSOTTO (7332652)   +3 more
core   +1 more source

Alterations on piscivorous diet following change in abundance of prey after impoundment in a Neotropical river

open access: yesNeotropical Ichthyology
The goal of this study was to investigate the alterations of diet of a piscivorous fish (Acestrorhynchus pantaneiro) following changes in abundance of a forage fish (Moenkhausia dichroura) during the trophic upsurge stage in a reservoir.
Geuza Cantanhêde   +3 more
doaj   +1 more source

Moenkhausia lepidura

open access: yes
Moenkhausia lepidura (Kner 1858) Distribution Amazon, plus northern drainages. Notes Tobes et al. (2022).
Escobar-Camacho, Daniel   +4 more
openaire   +2 more sources

Taxonomic revision and phylogenetic analysis of Moenkhausia collettii species complex (Characiformes: Characidae)

open access: yes, 2020
Moenkhausia representa um dos gêneros mais diversos em Characidae, atualmente com mais de 90 espécies válidas amplamente distribuídas nas bacias hidrográficas da América do Sul.
Soares, Isabel Matos [UNESP]
core  

FIGURE 4 in Moenkhausia venerei (Characiformes: Characidae), a new species from the rio Araguaia, Central Brazil

open access: yes, 2016
FIGURE 4. Partial map of South America indicating the distribution of Moenkhausia venerei.Published as part of Petrolli, Marina G., Azevedo-Santos, Valter M.
Benine, Ricardo C.   +2 more
core   +1 more source

New species of Moenkhausia Eigenmann (Ostariophysi: Characidae) from the upper rio Tocantins basin in Central Brazil

open access: yesNeotropical Ichthyology
Moenkhausia dasalmas is described from the upper rio Tocantins basin, in the Chapada dos Veadeiros region, Goiás State, Central Brazil. The new species differs from all congeners by the presence of iii,9 rays in the dorsal fin.
Vinicius A Bertaco   +2 more
doaj   +1 more source

Fig. 3. Moenkhausia phaeonota, MZUSP 91403, 26.3 in A new species of Moenkhausia Eigenmann (Characiformes: Characidae) from the rio Xingu basin, Brazil

open access: yes, 2010
Fig. 3. Moenkhausia phaeonota, MZUSP 91403, 26.3 mm SL, collected in sympatry with M. eurystaenia at rio Von Den Stein, rio Xingu basin, Nova Ubiratã, Mato Grosso, Brazil.Published as part of Marinho, Manoela M.
Marinho, Manoela M. F.
core   +1 more source

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