Results 61 to 70 of about 258 (157)
Bryconamericus ecai Silva 2004, new species
Bryconamericus ecai, new species Fig. 3 Holotype: MCP 19608 (60.6 mm SL, male) creek in Linha Brasil, parallel to the road from Vila Deodoro to Venâncio Aires (tributary to arroio Castelhano, rio Taquari, laguna dos Patos drainage) (approx. 29 o 33’S 52 o 17’W), Venâncio Aires, Rio Grande do Sul, Brazil, 14 October 1994, Z. M. S. Lucena, C. A.
openaire +4 more sources
This study analyzed the diet of seven small-sized fish species (Characidae) and assessed their use of food resources. The species were collected in 2001 from nine ponds with aquatic macrophytes in the Paraná river floodplain, Brazil. Astyanax altiparanae,
Valdirene Esgarbosa Loureiro Crippa +2 more
doaj +1 more source
Una nueva especie de Bryconamericus (Characiformes, Stevardiinae, Characidae) de la costa pacífica al noroeste de Ecuador, América del Sur Se describe una nueva especie de Bryconamericus (Characiformes, Stevardiinae, Characidae) de la costa Pacífica al ...
C. Román–Valencia +4 more
doaj +3 more sources
Alimentación de la ictiofauna del río Sauce Grande, provincia de Buenos Aires, Argentina
El objetivo de este estudio fue determinar el hábito alimenticio de la ictiofauna del río Sauce Grande y analizar la superposición dietaria entre las especies. El estudio se llevó a cabo de enero a diciembre del 2000.
Andrea C. López Cazorla +2 more
doaj
Se describe una especie nueva del género Bryconamericus Eigenmann, 1907 de la cuenca río Fonce, sistema río Magdalena, Colombia. La especie se distingue de sus congéneres por el número de radios anteriores de la aleta anal cubiertos por una hilera de ...
César Román-Valencia +2 more
doaj +1 more source
The fish conservation was quantified by means of the index SUMIN, composed by the summation of 12 outstanding variables for the species survival and/or conservation.
Marcelo A Zayas, Elly Cordiviola
doaj
Bryconamericus is a highly diverse group of characid fishes, being cytogenetic a valuable tool for the delimitation of species. Bryconamericus aff. iheringii (Upper Uruguay/Lower Paraná), B. coeruleus (Upper Paraná), B. cf. ecai e B. cf.
Anahiê Bortoncello Prestes +4 more
doaj +1 more source
Se presenta una hipótesis preliminar de monofi lia para las especies de Bryconamericusde la baja América Central, basada en caracteres moleculares de ADNmt, que resultaen el siguiente arreglo de relaciones fi logenéticas: (B. emperador (B.
Román Cesar, Valencia James
doaj
Bryconamericus thomasi Fowler 1940
Autapomorphy of Bryconamericus thomasi: 1. Canal of lateral line on caudal-fin membrane (92): (1> 0) absent. Reversal of synapomorphy 3 of the Characidae. Paralleled in the Aphyoditeinae and Bryconops clade, in nodes 227, 229, 244, 287, 294, and 298, and in Aphyocharax nattereri, Bryconamericus rubropictus, Charax stenopterus, Hyphessobrycon anisitsi ...
openaire +1 more source
The species of Hemibrycon occurring in the east of the Andean Cordilleras are reviewed based on their type series and additional specimens. Nine species are redescribed: H. beni from río Beni basin, Bolivia; H. helleri from the upper rio Ucayali, Peru; H.
Vinicius A. Bertaco, Luiz R. Malabarba
doaj +1 more source

