Redescription of Cheirodon Ibicuiensis Eigenmann, 1915 (Characiformes: Cheirodontinae), with Notes on its Distribution in Argentina [PDF]
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
Phylogeny of the family Characidae (Teleostei: Characiformes): from characters to taxonomy
The family Characidae is the most diverse among Neotropical fishes. Systematics of this family are mainly based on pre-cladistic papers, and only recently a phylogenetic hypothesis for Characidae was proposed by the author.
Juan Marcos Mirande
doaj +1 more source
The Pakaraima Mountains are an ancient mountain range along the borders of Guyana, Brazil and Venezuela. The high plateau is drained by multiple river systems in all directions.
Malorie M. Hayes +4 more
semanticscholar +1 more source
Two new Bryconamericus: B. cinarucoense n. sp. and B. singularis n. sp. (Characiformes, Characidae) from the Cinaruco River, Orinoco Basin, with keys to all Venezuelan species [PDF]
Here we describe for the first time Bryconamericus cinarucoense n. sp. and Bryconamericus singularis n. sp., two new species of Characiformesfrom the Cinaruco River, Orinoco Basin in Venezuela. B. cinarucoense n. sp.
Román-Valencia, C. +2 more
core
Comparative developmental osteology of the seahorse skeleton reveals heterochrony amongst Hippocampus sp. and progressive caudal fin loss [PDF]
Background: Seahorses are well known for their highly derived head shape, prehensile tail and armoured body. They belong to the family of teleosts known as Syngnathidae, which also includes the pipefishes, pipehorses and seadragons. Very few studies have
Adriaens, Dominique +1 more
core +2 more sources
Lebiasina marilynae n. sp., L. melanoguttata n. sp., and L. minuta n. sp. are described from the headwaters of the rio Curuá, in Serra do Cachimbo, Pará, Brazil, and represent the only members of the Lebiasininae in the Brazilian Shied, so far.
André L. Netto-Ferreira
doaj +1 more source
Astyanax bifasciatus Garavelo & Sampaio, 2010 was originally described as endemic to the Iguaçu river basin. Between March 2017 and January 2018, specimens of A. bifasciatus were sampled during expeditions to headwater streams of the Piquiri river basin,
M. P. Neves +4 more
semanticscholar +1 more source
On the myology of the cephalic region and pectoral girdle of three arid species, Arius heudeloti, Genidens genidens and Bagre marinus, and comparison with other catfishes (Teleostei: Siluriformes) [PDF]
The muscles of the cephalic region and pectoral girdle of Arius heudeloti, Genidens genidens and Bagre marinus are described and compared with those of non-ariid siluriforms.
Chardon, M. +3 more
core
Evolution of miniaturization and the phylogenetic position of Paedocypris, comprising the world's smallest vertebrate [PDF]
10.1186/1471-2148-7-38BMC Evolutionary ...
Britz, R. +4 more
core +4 more sources
Sistemática de Piabina Reinhardt, 1867 (Ostariophysi: Characidae)
A sistemática de Piabina Reinhardt, 1867 tem sido questionada recentemente. Espécies novas e possíveis sinônimos (e.g., Astyanax paranahybae) foram sugeridos para o gênero e a espécie-tipo, Piabina argentea, foi considerada recentemente um complexo de espécies.
openaire +2 more sources

