Results 61 to 70 of about 619 (114)

Development of the caudal fin and supporting skeleton in Lophiosilurus alexandri (Siluriformes: Pseudopimelodidae) and insights into its evolution in the family

open access: yesNeotropical Ichthyology
The ontogeny of the caudal skeleton in Lophiosilurus alexandri, a pseudopimelodid endemic to the São Francisco River basin, was examined to clarify the development and homology of caudal elements. Twenty-six specimens, from newly hatched larvae to adults,
Fernando M. Assega   +3 more
doaj   +1 more source

Morphology of the inner and peripheral ear of the loricariid catfish Pterygoplichthys gibbiceps K. [PDF]

open access: yes, 2008
The morphology of the peripheral and inner ear structures was studied in the loricariid catfish Pterygoplichthys gibbiceps. Specimens (n=6) were preserved in fixative (4% paraformaldehyde, 2% glutaraldehyde in 0.1M phosphate buffer) and dissected for ...
Rodgers, Brian David
core   +1 more source

Checklist of the Freshwater Fishes of Argentina (CLOFFAR) [PDF]

open access: yes, 2015
The purpose of this paper is to present an updated list of freshwater fishes found in Argentina based on the available literature. Since the last list was published in 2003, most systematical and distributional changes were presented on www.pecescriollos.
Koerber, Stefan, Mirande, Juan Marcos
core  

A new species of Microglanis (Siluriformes: Pseudopimelodidae) from the rio Uruguay drainage, Brazil

open access: yesNeotropical Ichthyology
A new pseudopimelodid catfish, Microglanis malabarbai, is described from the rio Ijuí drainage, tributary of the middle rio Uruguay, Rio Grande do Sul, Brazil.
Vinicius A. Bertaco   +1 more
doaj   +1 more source

Biodiversity of the upper deltaic complex of the Paraná River [PDF]

open access: yes, 2008
En este trabajo se analiza la riqueza y distribución de la flora vascular y fauna de vertebrados de la región superior del Complejo Deltaico del Río Paraná.
Aceñolaza, Pablo Gilberto   +7 more
core   +1 more source

RANGE EXTENSION OF Microglanis pleriqueater (SILURIFORMES: PSEUDOPIMELODIDAE) FOR THE MACABU RIVER BASIN, EASTERN BRAZIL [PDF]

open access: yes, 2018
The geographic distribution of Microglanis pleriqueater, described from the São João River basin, Rio de Janeiro state, eastern Brazil, is herein extended for the Macabu River basin, Rio de Janeiro state, eastern Brazil.
Ottoni, Felipe
core   +1 more source

Nuclear DNA content in 20 species of Siluriformes (Teleostei: Ostariophysi) from the Neotropical region

open access: yesGenetics and Molecular Biology, 2004
In the present study, 20 species of Siluriformes fish were analyzed in order to determine their nuclear DNA content and compare these data with their diploid number.
Paulo César Fenerich   +2 more
doaj   +1 more source

Microglanis pataxo, a new catfish from southern Bahia coastal rivers, northeastern Brazil (Siluriformes: Pseudopimelodidae)

open access: yesNeotropical Ichthyology
A new pseudopimelodid catfish of the genus Microglanis, collected in small rivers at the lower and middle Peruípe, middle Jucuruçu and Cahy basins, in the southeastern coast of the Bahia state, is described.
Luisa M. Sarmento-Soares   +3 more
doaj   +1 more source

A new species of Microglanis (Siluriformes: Pseudopimelodidae) from upper rio Paraná basin, Brazil

open access: yesNeotropical Ichthyology
Microglanis garavelloi, new species, collected in tributaries of rio Paranapanema and rio Tietê, is the first species of the genus described from upper rio Paraná basin.
Oscar Akio Shibatta   +1 more
doaj   +1 more source

Diversidad y relaciones ecomorfol?gicas de la comunidad ?ctica del complejo de humedales de paz de ariporo hato corozal, Casanare [PDF]

open access: yes, 2018
122 p. Recurso Electr?nicoLas sabanas inundables de la cuenca del r?o Orinoco se caracterizan por tener una alta diversidad ecosist?mica, heterogeneidad estructural y funcional, contribuyendo a la conformaci?n de diferentes tipos humedales tanto l ...
Bedoya Giraldo, Daniela   +1 more
core  

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