Results 101 to 110 of about 5,200 (218)

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]

, 2002
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., Diogo, R., Oliveira, C., Vandewalle, P.   +3 more
core  

A new Centromochlus Kner, 1858 (Siluriformes: Auchenipteridae: Centromochlinae) from the transition between Amazon floodplain and Guiana shield, Brazil

Neotropical Ichthyology
Species 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, Henrique Lazzarotto, Lucia Rapp Py-Daniel, Rafael Pereira Leitão   +3 more
doaj   +1 more source

Sperm evolution in the family Alestidae with comparative data for the genus Chalceus (Ostariophysi: Characiformes)

Neotropical Ichthyology
Spermiogenesis 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, Daniela Calcagnotto, Irani Quagio-Grassiotto   +2 more
doaj   +1 more source

Variação geográfica de Roeboexodon geryi (Myers) (Ostariophysi: Characiformes: Characidae)

Lundiana: International Journal of Biodiversity, 2004
Populations of Roeboexodon geryi from Suriname, French Guiana, rio Xingu, rio Tapajós, and rio Tocantins in the Amazon region obtained from zoological collections were studied in order to verify the existence of undescribed species in the genus. However, although the results showed trends on differentiation between Surinam/French Guiana vs.
Carlos A. S. de Lucena, Paulo H. F. Lucinda   +1 more
openaire   +1 more source

Five new species of genus Astyanax Baird & Girard, 1854 from Rio Iguaçu, Paraná, Brazil (Ostariophysi, Characiformes, Characidae)

Brazilian Journal of Biology
Five new species of the Neotropical characiform genus Astyanax Baird & Girard are described from Rio Iguaçu at the border of Paraná and Santa Catarina states, southeastern Brazil and Astyanax gymnogenis Eigenmann is redescribed.
JC. Garavello, FAA Sampaio
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), Efizon, D. (Deni), Sihite, R. R. (Ricky)   +2 more
core  

Redescription of Leporinus jamesi (Characiformes: Anostomidae), a poorly known species of Leporinus from the lowlands of the central Amazon, Brazil

Neotropical Ichthyology
The poorly known Leporinus jamesiis redescribed. The species was originally described based on a single specimen collected in the rio Solimões at Manacapuru, in the central Amazon, Brazil.
Júlio C. Garavello, Heraldo A. Britski, José L. O. Birindelli   +2 more
doaj   +1 more source

Three new species of Bryconamericus (Characiformes, Characidae), with keys for species from Ecuador and a discussion on the validity of the genus Knodus [PDF]

Tres nuevas especies de Bryconamericus (Characiforme, Characidae), con claves de identificación para las especies de Ecuador y discusión sobre la validez del género Knodus Se describen tres especies nuevas de peces carácidos pertenecientes al género ...
García–A., C., Román–Valencia, C., Ruiz–C, R. I., Taphorn B., D. C.   +3 more
core  

A New Record of Cephalopholis Igarashiensis Katayama, 1957 (Perciformes, Serranidae) From Indonesia [PDF]

, 2009
Four specimens were collected at Winenet Fish Market, Bitung, North Sulawesi, Indonesia on March 5th, 2008 and October 11th, 2009. Other one specimen was collected at Batuputih Fish Market on October 17th, 2009.
Peristiwady, T. (T), Rahardjo, M. F. (M), Simanjuntak, C. P. (C)   +2 more
core  

Harttia absaberi, a new species of loricariid catfish (Siluriformes: Loricariidae: Loricariinae) from the upper rio Paraná basin, Brazil

Neotropical Ichthyology
A new species of Harttia, tribe Harttiini, is described from tributaries of upper portions of rio Paraná drainage. The new species, the smallest known species of the genus, attaining up to 74.0 mm of standard length, can be distinguished from its ...
Osvaldo Takeshi Oyakawa, Ilana Fichberg, Francisco Langeani   +2 more
doaj   +1 more source