Results 51 to 60 of about 5,058 (209)

Food Characterization of the Spotted Pimelodid Fish Pimelodus Maculatus From a Polluted Urban River in Argentina [PDF]

open access: yes, 2015
On the present study, the nourishment and the digestive system of a population of the spotted pimelodid Pimelodus maculatus Lacepède 1803 from a polluted urban river in Argentina were analyzed (Reconquista River, Buenos Aires province). The specimens are
D'Alessandro, M. F. (Maria)   +3 more
core   +1 more source

River Geomorphology and Fish Diversity Around the Manseriche Gorge, the Last Andean Crossing Is in Peril

open access: yesWater Resources Research, Volume 60, Issue 11, November 2024.
Abstract The transition from the Andes to the Amazon lowland hosts a high biodiversity and currently is facing several anthropogenic activities, including hydropower infrastructure projects. Little is known about the geomorphology of the Andean gorges, rivers and the interaction with the fish diversity upstream and downstream of gorges.
J. D. Abad   +6 more
wiley   +1 more source

CONSERVATION STATE OF SILURIFORMES FISHES FROM THE RAMSAR SITE JAAUKANIGAS (MIDDLE PARANA RIVER), ARGENTINA ESTADO DE CONSERVACION DE PECES SILURIFORMES DEL SITIO RAMSAR JAAUKANIGAS (RIO PARANA MEDIO), ARGENTINA

open access: yesGayana, 2009
The Siluriformes conservation state was quantified by means of the SUMIN index, composed by the sum of 12 outstanding variables for the species survival and/or conservation.
Elly Cordiviola   +4 more
doaj  

Bibliografía argentina de peces de agua dulce. [PDF]

open access: yes, 2006
Espanol: En la presente lista bibliográfica fueron recopiladas las referencias sobre los peces continentales de la Argentina, del período comprendido entre mediados del siglo XVIII y fines del año 2005.
Cuello, Mariela V.   +4 more
core  

Parauchenoglanis stiassnyae (Siluriformes: Auchenoglanididae): A new species of giraffe catfish from Mfimi‐Lukenie basin, central Africa, Democratic Republic of Congo

open access: yesJournal of Fish Biology, Volume 105, Issue 4, Page 1227-1239, October 2024.
Abstract A new, distinctively short‐bodied giraffe catfish of Parauchenoglanis is described from the Ndzaa River, a small left‐bank tributary of the Mfimi‐Lukenie basin in the Central basin of the Congo River in the Democratic Republic of the Congo. The new species can be distinguished from all congeners by having 29 or fewer (vs.
Myriam Y. Modimo   +4 more
wiley   +1 more source

A new species of Pimelodus LaCépède, 1803 (Siluriformes: Pimelodidae) from the rio São Francisco drainage, Brazil

open access: yesNeotropical Ichthyology
Pimelodus pohli, new species, is described from the rio São Francisco drainage. It differs from congeners by the following characters in combination: adults with dark spots on anterodorsal region of body and young specimens (up to 100 mm SL) with three ...
Frank Raynner V. Ribeiro   +1 more
doaj   +1 more source

Diet of a catfish before and after damming of the salto caxias reservoir, iguaçu river

open access: yesBrazilian Archives of Biology and Technology, 2007
This study evaluated the diet of Pimelodus sp., before and after damming of Salto Caxias, (waterfall in the Iguaçu river), as well spatial and ontogenetic diet shift.
Rosilene Luciana Delariva   +2 more
doaj   +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  

Assessing fish diversity in abandoned mining ponds in Madre de Dios, Peru, using environmental DNA

open access: yesEnvironmental DNA, Volume 6, Issue 1, January–February 2024.
We surveyed four lentic systems in Madre de Dios, Peru: two abandoned mining ponds created by ASGM and two unmined oxbow lakes as a reference to assess fish recolonization. We compared two alternative eDNA processing methods and contrasted our results with historic data from traditional biodiversity monitoring. Our results indicate that eDNA could be a
Camila Timana‐Mendoza   +4 more
wiley   +1 more source

Content of mercury in muscle of some commercial fish species present in eight sampling sites from the Magdalena river basin (low, medium and high) [PDF]

open access: yes, 2014
Las diversas actividades antrópicas realizadas en las riberas de los sistemas acuáticos han ocasionados graves impactos sobre los organismos que allí habitan, uno de los principales contaminantes que afectan las pesquerías es el mercurio, el cual tiene ...
Lancheros Ascencio, Leidy Johanna
core  

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