Science and hobby joining forces for the discovery of three new Corydoras (Siluriformes: Callichthyidae) from the rio Tapajós basin, Brazil, with comments on Corydoras sp. CW111

Autor: Luiz Fernando Caserta Tencatt, Willian Massaharu Ohara, Leandro Melo de Sousa, Marcelo Ribeiro de Britto

Publikováno v: Neotropical Ichthyology, Vol 20, Iss 3 (2022)

Abstract An expedition crowdfunded by aquarists to a region of the Brazilian state of Pará drained by the Tapajós and Xingu river basins resulted in the capture of five species of Corydoras from the rio Jamanxim basin, a tributary to the rio Tapaj�

Externí odkaz: https://doaj.org/article/c07190e29f24477fba1eae8f2dc8fe9f

Fish collection of the Universidade Federal de Rondônia: its importance to the knowledge of Amazonian fish diversity

Autor: Willian Massaharu Ohara, Luiz Jardim de Queiroz, Jansen Zuanon, Gislene Torrente-Vilara, Fabíola Gomes Vieira, Carolina da Costa Doria

Publikováno v: Acta Scientiarum: Biological Sciences, Vol 37, Iss 2, Pp 251-258 (2015)

Biological collections preserve the biodiversity of a nation. The fish collection of the Universidade Federal de Rondônia, recently established, contains about 41% of freshwater fish species known to occur in Brazil, and 24% of South America. The bi

Externí odkaz: https://doaj.org/article/3412a2ffa41d42cc998488c5a5ef7b8e

Morphological variation in populations of Tetragonopterus argenteus Cuvier, 1817 (Characiformes, Characidae) from Madeira and Paraguay river basins Variação morfológica em populações de Tetragonopterus argenteus Cuvier, 1817 (Characiformes, Characidae) das bacias dos rios Madeira e Paraguai

Autor: Willian Massaharu Ohara, Oscar Akio Shibatta

Publikováno v: Semina: Ciências Biológicas e da Saúde, Vol 28, Iss 1, Pp 3-8 (2007)

The saua Tetragonopterus argenteus is endemic to South America. It has a wide geographic distribution and occurs in different Brazilian basins, such as those of the Madeira and Paraguay rivers. In this work, it was noticed that populations from these

Externí odkaz: https://doaj.org/article/448266e186e8430baee46b42ebdaced5

A new rheophilic species of Knodus Eigenmann (Characiformes: Characidae Stevardiinae) from the upper rio Juruena, rio Tapajós basin, Chapada dos Parecis Mato Grosso, Brazil

Autor: KATIANE M. FERREIRA, WILLIAN MASSAHARU OHARA

Knodus ytuanama, new species, is described from the upper rio Juruena, rio Tapajós drainage, Amazon basin, Mato Grosso, Brazil. The new species differs from its congeners by presenting the interradial membranes of the caudal fin thickened, forming f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8f534f846a14fbb8db098291288eaa7
https://zenodo.org/record/7518800

Fish fauna of moderate altitude from first order stream in upper Rio Machado, Rondônia, Brazil

Autor: Marina Vianna Loeb, Willian Massaharu Ohara

Publikováno v: Papéis Avulsos de Zoologia; v. 62 (2022); e202262028
Papéis Avulsos de Zoologia; Vol. 62 (2022); e202262028
Papéis Avulsos de Zoologia
Universidade de São Paulo (USP)
instacron:USP
Papéis Avulsos de Zoologia, Volume: 62, Article number: e202262028, Published: 15 JUN 2022

This study represents an inventory of fish collected in a first order tributary of the Igarapé Piracolina at Chapada dos Parecis, upper Rio Machado drainage, Rio Madeira basin, Vilhena, Rondônia, Brazil. The sampled stream is located in moderate al

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0de68b4326bc2de5a7a10a85bf53f00d
https://www.revistas.usp.br/paz/article/view/191579