Spatial distribution of Megalancistrus barrae (Steindachner 1910), and first record on the high stretch of São Francisco basin [PDF]
, 2015 Megalancistrus barrae is a species endemic to the São Francisco River basin that has not previously been recorded from the Upper São Francisco basin.The present work increases the known distribution of the species by reporting new collections from two ...
Fábio Firpe +3 more
core +1 more source
Chromosome polymorphism in Ancistrus cuiabae Knaack, 1999 (Siluriformes: Loricariidae: Ancistrini)
Neotropical IchthyologyCytogenetic and FISH analyses were performed in 30 Ancistrus cuiabae specimens from a bay near the town of Poconé, in the Pantanal of Mato Grosso, Brazil.
Sandra Mariotto +4 more
doaj +1 more source
New species of Pseudacanthicus (Siluriformes: Loricariidae) from the rio Xingu, Amazon, Brazil [PDF]
Neotropical IchthyologyThe genus Pseudacanthicus encompasses eight recognized species so far: P. histrix, P. serratus, P. spinosus, P. fordii, P. leopardus, P. pitanga, P. pirarara, P. major. Only P. pirarara has been formally described from the rio Xingu basin.
Maria Letícia Batista Galvão Lopes +2 more
doaj +1 more source
Crônicas de campo na Guiana venezuelana : Natureza, circulação e garimpos na rodovia Troncal 10 [PDF]
, 2023 In a field chronicle format, this text analyzes some pertinent questions about road transport by "Trans-rodoguianense", taking the Venezuelan Troncal 10 road as a reference. Brazil, French Guiana (France), Suriname, Republic of Guyana, and Venezuela.
Miceli, Clícia Di +1 more
core +2 more sources
The loricariid catfish genus Lasiancistrus (Siluriformes) with descriptions of two new species
Neotropical IchthyologyLasiancistrus (Loricariidae: Hypostominae: Ancistrini) is diagnosed by the unique presence of a ventral strut of the pterotic and the presence of whiskerlike odontodes on the snout.
Jonathan W. Armbruster
doaj +1 more source
Evolução e Conservação da Biodiversidade, 2012 <p>O gênero <em>Ancistrus</em> é considerado o mais diversificado dentro da tribo Ancistrini (Loricariidae) e a análise de suas características cromossômicas constitui o objetivo deste trabalho.
Dinaíza Abadia Rocha Reis +4 more
openaire +1 more source
Evolução e Conservação da Biodiversidade, 2012 <p class="western"><em>Ancistrus </em>é considerado um gênero diversificado na tribo Ancistrini e corresponde a peixes conhecidos popularmente por “cascudos”. Os DNAs ribossômicos mais estudados são o rDNA 18S, que participa da formação de ...
Dinaíza Abadia Rocha Reis +4 more
openaire +1 more source
Neotropical IchthyologyHemiancistrus cerrado is described from the tributaries of rio Araguaia, rio Tocantins basin. Hemiancistrus cerrado has external similarities with H. megalopteryx and H.
Lesley S. de Souza +3 more
doaj +1 more source
CLOFFAR - update 3 - supplement to Checklist of the Freshwater Fishes of Argentina [PDF]
, 2017 In May 2016 we have published the second update to CLOFFAR and in these few months a total of 22 changes have summed up. The total number of fishes known from the freshwaters of Argentina has increased to 538, caused by one new Hoplias and 13 first ...
Koerber, Stefan +2 more
core
Reproduction in Hemiancistrus punctulatus Cardoso & Malabarba, 1999 (Siluriformes: Loricariidae): a lotic neotropical fish faced with habitat change due to reservoirs [PDF]
, 2012 Aspectos da biologia reprodutiva de Hemiancistrus punctulatus foram abordados, sendo realizadas amostragens de dezembro de 2000 a fevereiro de 2002, período antecedente à instalação de uma hidrelétrica no rio Forqueta, sistema da Laguna dos Patos.
Fialho, Clarice Bernhardt +2 more
core +2 more sources