Results 91 to 100 of about 5,200 (218)

Nomenclatural note on the genus Nans (Ostariophysi, Characidae)

Revue suisse de zoologie, 2006
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Juan Marcos Mirande, Gastón Aguilera, María de las Mercedes. Azpelicueta   +2 more
openaire   +1 more source

A state-of-art review of Loricariidae (Ostariophysi: Siluriformes) cytogenetics [PDF]

Neotropical Ichthyology
Loricariidae is a Neotropical fish family divided into six subfamilies and ranking in third among the most biodiverse fish groups. This study conducts an updated review of the cytogenetic investigations within the family, discussing the trends in ...
Francisco de Menezes Cavalcante Sassi, Marcelo de Bello Cioffi, Orlando Moreira-Filho   +2 more
doaj   +1 more source

A checklist of chromosome numbers and karyotypes of Amazonian freshwater fishes [PDF]

, 1992
Une liste des nombres de chromosomes de 211 espèces de poisson du bassin amazonien est présentée. Ces espèces, appartenant à 5 ordres, sont caractérisées par une grande variabilité du nombre de chromosomes (2n = 22 à 2n = 134), par la présence de ...
Falcao, J., Feldberg, E., Nakayama, C.M., Porto, J.I.R.   +3 more
core  

SYSTEMATIC REVISION OF THE GENERA OF PANGASIIDAE (SILURIFORMES, OSTARIOPHYSI)

Indonesian Aquaculture Journal, 2008
The family Pangasiidae belongs to the suborder Siluroidei, order Siluriformes, and suborder Ostariophysi. Since the groups were established as Pangasiini Bleeker, 1858; its content and classification have been greatly changed. Judging from the literature, the main constraint to cultivate wild species and to optimize the production of cultured species ...
Rudhy Gustiano, Laurent Pouyaud
openaire   +2 more sources

Revista de Vertebrados de la Estación Biológica de Doñana [PDF]

, 1987
The Osteology of Barbus bocagei (Steindachner, 1866) (Pisces: Cyprinidae).El crecimiento del Cacho (Leuciscus cephalus pyraenaicus Günther, 1862) en el rio Jarama (cuenca del Tajo)Contribución al estudio de la bermejuela, Rutilus arcasi, Steindachner ...
Barrachina, P., Campinho, Francisco, Clevenger, Anthony P., Corrochano, L.M., De Sostoa, Adolfo, Doadrio, Ignacio, Fernández-Colomé, V., Garzón, P., Gutiérrez, América, Gómez, C., Lobón-Cerviá, Javier, Lourenço, Joao, Marrero, M., Nogales, Manuel, Obeso Suárez, José Ramón, Ortega, Alfredo, Ramos, Pedro, Rodríguez-Barea, C., Rojo, Alfonso, Ruiz-Olmo, Jordi, Santana, F., Soler, Manuel, Sostoa, F.J. de, Villamarín, A., Zamora Rodríguez, Regino, Álvarez, J.   +25 more
core  

Redescription of Hyphessobrycon cachimbensis (Characiformes: Characidae) with the description of a new congener from the Serra do Cachimbo, Brazil [PDF]

Neotropical Ichthyology
The 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, Fernando Cesar Paiva Dagosta   +1 more
doaj   +1 more source

Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther

Neotropical Ichthyology
Two 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, Heraldo A. Britski, Julio C. Garavello   +2 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, Mônica Toledo-Piza, Naércio A. Menezes   +2 more
doaj   +1 more source

On some species of Astyanax reported erroneously from Argentina [PDF]

, 2015
Several species of Astyanax have been reported from Argentina which currently are considered not to be distributed so far South or whose identity as Astyanax is doubtful.
Koerber, Stefan, Mirande, Juan Marcos
core  

Sperm characteristics as additional evidence of close relationship between Lebiasina and Piabucina (Characiformes: Lebiasinidae: Lebiasininae)

Neotropical Ichthyology
Spermiogenesis 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, André L. Netto-Ferreira, Daniela Calcagnotto, Irani Quagio-Grassiotto   +3 more
doaj   +1 more source