Diet and ecomorphological relationships of four cichlid species from the Cuiabá River basin [PDF]
Relationship between diet and morphology of cichlid were analyzed considering that the trophic apparatus determines differential food use among species.
Gisele C. Novakowski +2 more
doaj +2 more sources
Trophic position of bottom-feeding fish in the Upper Paraná River floodplain [PDF]
The δ15N composition of bottom-feeding fish (iliophagous = Apareiodon affinis, Cyphocharax nagelii, Prochilodus lineatus, Steindachnerina brevipinna and S.
CA. Lopes, E. Benedito, LA. Martinelli
doaj +4 more sources
The more stirring the better: cichlid fishes associate with foraging potamotrygonid rays [PDF]
One hunting tactic of freshwater rays (Potamotrygonidae), termed "undulate the disc and stir substrate", is here reported to attract cichlids at two sites in the upper Paraná River.
Domingos Garrone-Neto, Ivan Sazima
doaj +3 more sources
Relationships between morphology, diet and spatial distribution: testing the effects of intra and interspecific morphological variations on the patterns of resource use in two Neotropical Cichlids [PDF]
Considering th e morphology, diet and spatial distribution of Satanoperca pappaterraand Crenicichla britskii (Perciformes: Cichlidae) in the Upper Paraná River floodplain (Brazil), the following questions were investigated: (1) Could the body shape ...
Ana Lúcia A. Sampaio +2 more
doaj +2 more sources
Three-dimensional modelling, disparity and ecology of the first Cambrian apex predators. [PDF]
Radiodonts evolved to become the largest nektonic predators in the Cambrian period, persisting into the Ordovician and perhaps up until the Devonian period.
De Vivo G, Lautenschlager S, Vinther J.
europepmc +4 more sources
Desarrollo embrionario y larval de la mojarra paleta Vieja melanura (Günther, 1862) del sureste mexicano [PDF]
Previous studies of Vieja melanura consider population aspects, without addressing reproductive references, which are useful for fisheries and aquaculture management plans.
Cuenca-Soria, Carlos Alberto +4 more
core +2 more sources
This study aimed to evaluate the infection by the Austrodiplostomum compactum metacercariae in fishes from the Nova Avanhandava Reservoir, low Tietê river, São Paulo State, Brazil. The parasites were collected from eye (aqueous and vitreous humor), fixed
Jaciara Vanessa Krüger Paes +2 more
doaj +1 more source
Morphohistological characteristic of digestive tract of an endemic cichlid fish, Iranocichla hormuzensis Coad, 1982 (Teleostei: Cichlidae) [PDF]
Objective of the current study was to investigate morphohistology of digestive tract of Iranocichla hormuzensis, one of two native cichlid fishes in Iran. The species present omnivorous feeding habits and restricted in shallow, high temperatures and high
Ebrahimi, Mehregan +2 more
core +2 more sources
Early ontogeny and swimming behavior of larvae of the neotropical fish Prochilodus costatus Valenciennes 1850 and Prochilodus argenteus Spix & Agassiz 1829 (Characiformes: Prochilodontidae) [PDF]
Early development of fish larvae is a highly dynamic process and its study may provide important information about ontogenetic development, bioenergetic growth, behaviour, taxonomic characteristics for identification in natural environments ...
Arantes, FP +4 more
core +1 more source
Effect of parasitism on the relative condition factor of Astyanax bimaculatus (Characiformes: Characidae) a freshwater fish from Caatinga domain, Brazil [PDF]
The present study aimed to evaluate the effect of parasitism on the condition factor of Astyanax bimaculatus (Linnaeus 1758) (Characiformes, Characidae), in Batateiras river, Salgado river basin, northeastern Brazil.
Antunes, Dhenes Ferreira +2 more
core +2 more sources

