Results 21 to 30 of about 702 (125)

Molecular diagnosis of the arowanas Osteoglossum ferreirai Kanazawa, 1966 and O. bicirrhossum (Cuvier, 1829) from the Orinoco and Amazon River basins

open access: yesNeotropical Ichthyology
The arowanas, fishes of Gondwanan origin, are represented in South America by the genus Osteoglossum. All species were initially reported as being exclusive to the Amazon region, with O. ferreirai restricted to the Negro River basin and O. bicirrhosum to
Maria Doris Escobar L.   +4 more
doaj   +1 more source

Ictiofauna dulceacuícola y estuarina de la cuenca del golfo de Paria, Venezuela: composición y relaciones biogeográficas con la cuenca del Orinoco

open access: yesBiota Colombiana, 2010
The Paria Gulf Basin ichthyofauna comprises 218 species arranged in 14 orders and 50 families. Among these, 155 species are considered strictly freshwater and 63 species are euryhaline.
Carlos A. Lasso   +2 more
doaj   +1 more source

Nuevos datos sobre la presencia de caimán llanero (Crocodylus intermedius) y notas sobre su comportamiento en el río Vichada, Orinoquia (Colombia)

open access: yesBiota Colombiana, 2011
During 2010 and 2011 diurnal and nocturnal surveys were conducted in the drainages of the Meta and Vichada rivers (Colombian Orinoco Basin) to update the information about the conservation status of the Orinoco crocodile’s populations in the wild ...
Antonio Castro   +4 more
doaj   +1 more source

Taxonomic review of Colombian Parodon (Characiformes: Parodontidae), with descriptions of three new species

open access: yesNeotropical Ichthyology
We review species of Parodon Valenciennes, 1850 from the Magdalena, Cauca, Orinoco, Amazonas, Atrato and Caribbean-Guajira River basins of Colombia using meristic and morphological characters.
Alejandro Londoño-Burbano   +2 more
doaj   +1 more source

Home range and movements of Amazon river dolphins Inia geoffrensis in the Amazon and Orinoco river basins

open access: yesEndangered Species Research, 2021
Studying the variables that describe the spatial ecology of threatened species allows us to identify and prioritize areas that are critical for species conservation.
F Mosquera-Guerra   +14 more
doaj   +1 more source

Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae): a revisionary study

open access: yesNeotropical Ichthyology
The Neotropical auchenipterid catfish genus Auchenipterichthys is reviewed and found to include four species. Auchenipterichthys thoracatus, formerly considered to be widely distributed throughout the Amazon River basin, is found to be restricted to the ...
Carl J. Ferraris Jr.   +2 more
doaj   +1 more source

Surface Freshwater Storage Variations in the Orinoco Floodplains Using Multi-Satellite Observations

open access: yesRemote Sensing, 2014
Variations in surface water extent and storage are poorly characterized from regional to global scales. In this study, a multi-satellite approach is proposed to estimate the water stored in the floodplains of the Orinoco Basin at a monthly time-scale ...
Frédéric Frappart   +8 more
doaj   +1 more source

The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

open access: yesNeotropical Ichthyology
The catfishes of the subfamily Cetopsinae of the Neotropical family Cetopsidae are revised. Four genera, Cetopsidium new genus, Cetopsis, Denticetopsis, and Paracetopsis Bleeker are recognized as valid. Bathycetopsis, Hemicetopsis, and Pseudocetopsis are
Richard P. Vari   +2 more
doaj   +1 more source

Integrative taxonomy reveals two new species of whiptail catfishes Loricaria (Siluriformes: Loricariidae) from northeastern Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract Two new species of whiptail catfish, Loricaria (Siluriformes: Loricariidae), were discovered in the Munim and Itapecuru river basins, Maranhão State, northeastern Brazil, through an integrative taxonomic approach combining morphology and mitochondrial DNA.
Ananda. C. Serejo‐Saraiva   +4 more
wiley   +1 more source

Living in the Mycelial World

open access: yesTopics in Cognitive Science, EarlyView.
Abstract This manuscript documents a systematic ethnomycological analysis of ethnographic archives. Focusing on texts describing human–fungi interactions, I conduct a global, cross‐cultural review of mushroom use, covering 193 societies worldwide. The study reveals diverse mushroom‐related cultural practices, emphasizing the significance of fungi ...
Roope O. Kaaronen
wiley   +1 more source

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