Results 41 to 50 of about 243 (120)
Phylogenetics and diversification of the neotropical Serrasalminae (Ostariophysi: Characiformes) [PDF]
The phylogenetics and fossil record of Serrasalminae (piranhas and pacus) were investigated to reconstruct the evolutionary history of this diverse characiform lineage.
Dahdul, Wasila M
core
Patterns of Nucleotide Change in Mitochondrial Ribosomal RNA Genes and the Phylogeny of Piranhas [PDF]
The patterns and rates of nucleotide substitution in mitochondrial ribosomal RNA genes are described and applied in a phylogenetic analysis of fishes of the subfamily Serrasalminae (Teleostei, Characiformes, Characidae).
Meyer, Axel +5 more
core +1 more source
Analise ultraestrutural da oogenese em Serrasalmus spilopleura (Teleostei, Characiformes, Serrasalminae) [PDF]
Orientador: Irani Quagio-GrassiottoDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de BiologiaResumo: A ultraestrutura do desenvolvimento oocitário em 5errasalmus spilopleura (Teleostei, Characiformes, Serrasalminae), foi estudada ...
Guimarães, Ariene Cristina Dias
core
Spermatozoa and spermiogenesis ultrastructure were studied in the serrasalmine species Piaractus mesopotamicus, Mylossoma duriventre, Serrasalmus maculatus, and Metynnis mola and two distinct patterns may be recognized: the first common to Mylossoma ...
Priscila Gusmão-Pompiani +3 more
doaj +1 more source
The herbicide trifluralin is one of the most widely herbicides used in weed control. This study aims to evaluate the genotoxic potential of the trifluralin herbicide on the Colossoma macropomum (tambaqui) using a multi-biomarker approach. The C. macropomum is highly adapted and predominant species in a variety of water bodies in the delta region of the
Jaqueline Maria Silva +8 more
openaire +1 more source
Serrasalmidae Bleeker 1859 [PDF]
Family Serrasalmidae Bleeker 1859 Serrasalmi Swainson 1838:256 [ref. 4302] (no family-group name) Serrasalmoniformes Bleeker 1859d:XXXI [ref.
Laan, Richard Van Der +2 more
core +1 more source
This study aimed to identify shifts in the Serrasalmus brandtii Lütken, 1875 diet related to body size. Specimens were collected from April 1992 to January 1993 at the Cajuru Reservoir, in the Pará River, São Francisco River Basin, by seining the shore ...
A. K. Oliveira +3 more
doaj +1 more source
Food habits and morphological changes during ontogeny in three serrasalmin fish species of the Venezuela floodplains [PDF]
Se presenta información sobre la alimentación en tres especies de peces de la subfamilia Serrasalminae durante su crecimiento.Instituto de Zoología y Ecología Tropical y Escuela de Biología de la Universidad Central de ...
García, Carmen +1 more
core
Le bas Oyapock limite septentrionale ou simple étape dans la progression de la faune des poissons d'Amazonie occidentale [PDF]
Un ensemble, composé de huit espèces de Serrasalminae (Teleostei, Characidae), est régulièrement cité d'Amazonie centrale et de la partie occidentale du bassin amazonien, du sud de la Bolivie jusqu'en Colombie.
Jégu, Michel, Keith, P.
core +2 more sources
En este estudio, cuatro microsatélites (Pme4, Pme5, Pme20, Pme21) fueron utilizados para tipificar treinta individuos de Piaractus brachypomus, provenientes del río Meta, tributario de la cuenca del río Orinoco.
Hermes Pineda S +4 more
doaj

