Results 71 to 80 of about 12,674 (172)
Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi)
A checklist of recent and fossil fishes of the Order Characiformes is presented herein and believed to be complete through 2022. A total of 47 collaborators checked and provided information about their taxa of expertise.
Mônica Toledo-Piza +47 more
doaj +1 more source
Alimentação de duas espécies do gênero Pseudoplatystoma do Rio Negro, Pantanal da Nhecolândia, MS, Brasil. [PDF]
Este trabalho investigou a dieta e reprodução de duas espécies de peixes Siluriformes migradores do rio Negro, Pantanal da Nhecolândia, sob a influência do pulso de inundação.
COSTA, F. E. dos S. +2 more
core
Occurrence of Astyanax dissensus Lucena & Thofehrn, 2013 (Teleostei: Characidae) in Argentina [PDF]
The occurrence of Astyanax dissensus in the Uruguay River, at Yapeyú, Corrientes, Argentina is reported for the first time in the country.Fil: Teran, Guillermo Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas.
Alonso, Felipe +4 more
core +2 more sources
Abstract The Weberian apparatus is a hearing specialization unique to the otophysan fishes, and an unexpected degree of morphological variation exists in species of the Noturus catfishes. Our aim in this study is to investigate relationships between morphological variations and ecology that may drive this variation.
J. C. Hoeflich, Juan Liu
wiley +1 more source
Ictiólogos de la Argentina: Amalia María Miquelarena [PDF]
This series will include all those people who, by means of their contributions, great and small, played a part in the consolidation of ichthyology in Argentina.
López, Hugo Luis, Ponte Gómez, Justina
core +1 more source
ABSTRACT Environmental changes can have persistent effects on the local and regional dynamics of multispecies assemblages. However, the extent of historical legacies on current diversity patterns may depend on the trajectory and intensity of the environmental change. Here, we investigate how persistent decadal land use and land cover (LULC) changes are
Jaquelini O. Zeni +3 more
wiley +1 more source
Chromosomal painting and ZW sex chromosomes differentiation in Characidium (Characiformes, Crenuchidae) [PDF]
Background: The Characidium (a Neotropical fish group) have a conserved diploid number (2n = 50), but show remarkable differences among species and populations in relation to sex chromosome systems and location of nucleolus organizer regions (NOR).
Tatiana C Machado +10 more
core +3 more sources
Effect of photoperiod on ovarian maturation in Cheirodon interruptus (Teleostei: Characidae)
Cheirodon interruptus is a ubiquitous small characid that inhabits the Pampean region and commonly used as bait. Its vast market is supplied from the wild population causing a significant environmental impact.
I. D. García +5 more
doaj +1 more source
Among the order Characiformes, secondary sexual dimorphism is commonly associated to the occurrence of bony hooks on fins, shape and length of the dorsal and anal fins, and sexual dichromatism.
Vitor Pimenta Abrahão +2 more
doaj +1 more source
Conteúdo Calórico de Músculos de Prochilodus Lineatus (Characiformes, Prochilodontidae) no Reservatório de Manso, Brasil [PDF]
Com o objetivo de conhecer as variações intraespecíficas no conteúdo calórico, presentes em músculos de Prochilodus lineatus, foram analisados 118 espécimes durante o período de outubro 2002 a setembro 2003 no reservatório de Manso, Mato Grosso, Brasil ...
Benedito, Evanilde +3 more
core

