Results 61 to 70 of about 14,323 (223)

Genetic variation in plasma transferrins of tambaqui, Colossoma macropomum (CUVIER 1818)

open access: yes, 1985
Blood specimens of tambaqui, Colossoma macropomum, an Amazonian fish of commercial importance, were examined for transferrin variants by treating blood plasma specimens with rivanol before electrophoretic analyses in starch gel media.
Jamieso, A., Teixeira, A.
core  

Redescription of Cheirodon Ibicuiensis Eigenmann, 1915 (Characiformes: Cheirodontinae), with Notes on its Distribution in Argentina [PDF]

open access: yes, 2008
Cheirodon ibicuhiensis Eigenmann, 1915, is redescribed including new anatomical data based on material collected at sixteen localities in the Lower Paraná and Lower Uruguay River basins in Argentina.
Mantinian, Julia Erika   +2 more
core   +2 more sources

Occurrence of Astyanax dissensus Lucena & Thofehrn, 2013 (Teleostei: Characidae) in Argentina [PDF]

open access: yes, 2016
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

[A new fish species Hemibrycon (Characiformes: Characidae)].

open access: yesRevista de biologia tropical, 2008
Hemibrycon pautensis (Characiformes, Characidae), a new fish species from Paute River, eastern Ecuador is described. Diagnostic characteristics: eight to nine branched rays in the dorsal fin (vs. six to seven), and 27 - 28 in the anal fin (vs. 16 - 26, except in H. dariensis which presents 22 - 27, in H. metae 26 - 31 and H.
César, Román-Valencia   +2 more
openaire   +2 more sources

The status of Brycon labiatus STEINDACHNER 1880 (Pisces, Characoidei) and its synonym, Othonophanes labiatus (STEINDACHNER 1880)

open access: yes, 1983
In the description and assignment of the name to Brycon labiatus, later called Othonophanes labiatus, the typical distinguishing characteristic was reported to be a dermal enlargement of characteristic form in the mid-dental region (Fig. 1, 2). Brycon cf.
Braum, E.
core  

La mojarra desnuda o bronceada [PDF]

open access: yes, 2011
Fil: Miquelarena, Amalia María. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Nadalin, Diego Oscar. División Zoología Vertebrados.
López, Hugo Luis   +2 more
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Presence of Cheirodon Interruptus in Valcheta stream, Río Negro province, Argentina [PDF]

open access: yes, 2015
El arroyo Valcheta es una cuenca endorreica localizada en la provincia de Río Negro, Argentina. En este arroyo se conocen dos especies de vertebrados endémicas: la mojarra desnuda ( Gymnocharacinus bergii ) y la rana de Valcheta ( Pleurodema ...
Gosztonyi, Atila Esteban   +5 more
core  

Potential for sustainable floodplain fisheries development: a case study of Tatabu floodplain [PDF]

open access: yes, 2005
This study presents evidence from a case study of an ecological appraisal of Tatabu flood plain aimed at formulation management approaches for the enhancement of the fishing communities social economic and cultural realities.
Daddy, F., Falaye, A.E.
core  

Age determination by sclerite numbers, and scale variations in six fish species from the Central Amazon (Osteichthyes, Characoidei)

open access: yes, 1984
The scales of 6 different species of three families (Brycon cf. melanopterus (Characidae), Semaprochilodus theraponura (Curimatidae), Semaprochilodus taeniulus (Curimatidae), Prochilodus nigricans (Curimatidae), Curimata cf .
Soares, G., Werder, U.
core  

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