Results 71 to 80 of about 1,941 (190)
Mature specimens of three catfishes: Capitán de la Sabana (Eremophilus mutisii), Bagre Rayado (Pseudoplatystoma orinocoense and P. metaense) and Capaz (Pimelodus grosskopfii) (n=9-27/species) were sampled in the areas of Bogotá River, Puerto López (Meta)
Jaime González M. +5 more
doaj +1 more source
ABSTRACT Local and regional species diversity is influenced by historical factors, resource availability, biotic interactions, the presence of resources, and adequate environmental conditions. We evaluated the effects of local environmental variables and spatial structure on fish species richness and composition along sandy beaches of a Neotropical ...
Ronaldo Souza da Silva +8 more
wiley +1 more source
Infection of the heart of Pimelodus ornatus (Teleostei, Pimelodidae), by Myxobolus sp. (Myxozoa, Myxobolidae) [PDF]
The phylum Myxozoa Grassé, 1970, consists of a heterogenous group of around 50 genera that are worldwide disseminated in a wide variety of aquatic media. In the present study, 43 specimens of Pimelodus ornatus were collected from an adjacent area to the Cachoeira do Arari municipality on Marajó Island, in the Brazilian state of Pará, in 2013 ...
Matos, Edilson +5 more
openaire +6 more sources
Investigating the systematics and biogeography of Neotropical catfishes of the genus Rhamdia refined phylogenetic hypotheses, including deep paraphyly of Rhamdia laticauda, supported northward dispersal catalyzed by emergence of the Panamanian Isthmus and imply that cave colonization is widespread, convergent, and recent, with established cave‐dwelling
Jairo Arroyave +6 more
wiley +1 more source
ABSTRACT The present study evaluated the phylogenetic relationships among the six valid species of catfish of the genus Hypophthalmus, estimated the divergence times among the different taxa and assessed the processes that influenced the evolution of the group.
Bianca A. Vale +4 more
wiley +1 more source
ABSTRACT The Neotropical catfish family Trichomycteridae contains parasitic fishes that include scale and mucus feeders (subfamily Stegophilinae) and blood feeders (i.e., ‘candirus’, subfamily Vandelliinae). The influence of parasitic catfishes on food web dynamics is unknown.
Carmen G. Montaña +7 more
wiley +1 more source
Clave artificial de las familias de peces del río Magdalena
Patamotrygonidae / Ageneiosidae / Pimelodidae / Auchenipteridae / Bunocephalidae / Cetopsidae / Pygidiidae / Astroblepidae / Doradidae / Loricariidae / Callichthyidae / Characidae / Erythrinidae / Cyprinodotitidae / Poeciliidae / Sciaenidae / Cichlidae /
Miles Cecil
doaj
O presente trabalho foi realizado com o objetivo de verificar o efeito de 3 níveis de luminosidade (T1=1,2 lux; T2=17 lux e T3=20 lux) sobre o crescimento e a sobrevivência de larvas de jundiá (Rhamdia quelen), durante as 3 primeiras semanas de cultivo ...
Everton Rodolfo Behr +3 more
doaj +1 more source
Karyotype variability in neotropical catfishes of the family Pimelodidae (Teleostei: Siluriformes) [PDF]
Karyotypic data are presented for four species of fish belonging to the Pimelodidae family. These species show a conserved diploid number, 2n = 56 chromosomes, with different karyotypic formulae.
Artoni +7 more
core
Estudio preliminar de ictioplancton de la Amazonia peruana con énfasis en la familia Pimelodidae
En el presente trabajo se informa y describen las larvas de peces presentes en la naciente del río Madre de Dios, con énfasis en la familia Pimelodidae.
Ortega, Hernán +3 more
core

