Results 101 to 110 of about 6,049 (231)
Neotropical IchthyologyTwo new species of Leporinus are described from coastal rivers of southern Bahia, Brazil. One of the new species has a bright red blotch immediately dorsal to the pectoral-fin origin in life, three dark blotches along the lateral line that distinctly ...
Jose L. O. Birindelli +2 more
doaj +1 more source
Redescription of Hyphessobrycon cachimbensis (Characiformes: Characidae) with the description of a new congener from the Serra do Cachimbo, Brazil [PDF]
Neotropical IchthyologyThe Serra do Cachimbo is a highland area at the southeastern portion of the Amazon Forest drained by the headwaters of tributaries of rios Xingu and Tapajós.
Manoela Maria Ferreira Marinho +1 more
doaj +1 more source
Bibliografía de los peces de agua dulce de la Argentina Suplemento 1996-2002. [PDF]
, 2003 Between 1981 and 1995, we published five bibliographic lists (López et al., 1981, 1982,1987, 1989 y 1995) that included the publications referred to Argentine freshwater fishes and related general information published since Ringuelet et al. (1967).
Battistoni, Patria A. +3 more
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Neotropical IchthyologySpermiogenesis and spermatozoa of representatives of the genera Lebiasina and Piabucinaare described. Spermiogenesis is quite similar among all analyzed species of these genera and is identified as Type II.
Júlio César de O. Santana +3 more
doaj +1 more source
Taxonomic revision of Galeocharax (Characiformes: Characidae: Characinae)
Neotropical Ichthyology, 2017 The taxonomy of Galeocharax, a genus of freshwater fishes distributed in most South American cis-Andean river systems, except the rio Negro, rio São Francisco and rio Xingu basins and the eastern drainages of Brazil, is herein revised.
Victor Giovannetti +2 more
doaj +1 more source
Fish Biodiversity in the Upstream of the Umban Sari River, Pekanbaru, Riau Province [PDF]
, 2016 The upstream the Umban Sari River was inhabit by numerous fish species. Information on these fish, however, is almost none. To understand the biodiversity of fish in that river, a study has been conducted from September to October 2015.
Efawani, E. (Efawani) +2 more
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Phylogenetic relationships of the South American Doradoidea (Ostariophysi: Siluriformes) [PDF]
Neotropical Ichthyology, 2014 A phylogenetic analysis based on 311 morphological characters is presented for most species of the Doradidae, all genera of the Auchenipteridae, and representatives of 16 other catfish families. The hypothesis that was derived from the six most parsimonious trees support the monophyly of the South American Doradoidea (Doradidae plus Auchenipteridae ...
openaire +4 more sources
Neotropical IchthyologySpecies of Centromochlus are widely distributed in South America, with records for major basins such as the Amazon and Orinoco, rivers draining the Guiana Shield such as the Essequibo, Courantyne (Corantijn), Coppename, Maroni, and Oyapock, and Brazilian
Luisa Maria Sarmento-Soares +3 more
doaj +1 more source
Bryconamericus macarenae n. sp. (Characiformes, Characidae) from the Güejar River, Macarena mountain range, Colombia [PDF]
, 2010 Bryconamericus macarenae sp. n. (Characiformes, Characidae) del río Güejar, sierra de La Macarana, Colombia Basándonos en 174 especímenes y utilizando características morfométricas, merísticas y osteológicas describimos una nueva especie ...
García-Alzate, C. +3 more
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Neotropical IchthyologySpermiogenesis and spermatozoa in six genera of the African family Alestidae plus the Neotropical genus Chalceusare described. Spermiogenesis is quite similar in all Alestidae and is identified as Type I and its variants.
Júlio César de O. Santana +2 more
doaj +1 more source