Results 131 to 140 of about 2,788 (258)
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 +2 more
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Figure 6 in Ontogeny and homology of the neural complex of otophysan Ostariophysi [PDF]
, 2006 Figure 6. Developmental stages of the anterior five neural arches and associated structures in lebiasinid Characiformes. A–E, Lebiasina bimaculata. A, 7.7 mm. B, 8.0 mm. C, 9.0 mm. D, 9.9 mm. E, 11.2 mm. F–J, Pyrrhulina spiloptera. F, 6.0 mm.
Hoffmann, Matthias, Britz, Ralf
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Neotropical IchthyologySpermiogenesis 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 +3 more
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Figure 7 in Ontogeny and homology of the neural complex of otophysan Ostariophysi [PDF]
, 2006 Figure 7. Developmental stages of the anterior five neural arches and associated structures in ctenoluciid and erythrinid Characiformes. A–E, Ctenolucius hujeta. A, 10.2 mm. B, 13.5 mm. C, 16.2 mm. D, same as in part C, in close-up and dorsal view. E, 23.
Hoffmann, Matthias, Britz, Ralf
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Neotropical IchthyologySpecies 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 +3 more
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Neotropical IchthyologySpermiogenesis 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 +2 more
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Brazilian Journal of BiologyFive 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
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Early quaternary sea level changes and rapid diversification in the North American minnow genus Nocomis (Ostariophysi: Cyprinidae) [PDF]
, 2010 University of Minnesota M.S. thesis. March 2010. Major: Conservation Biology. Advisor: Andrew M. Simons. 1 computer file (PDF); iii, 50 pages.Abstract summary not available.Nagle, Brett Christian. (2010).
Nagle, Brett Christian
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Higher-level Names for Catfishes (Actinopterygii: Ostariophysi: Siluriformes)
, 1999 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Ferraris, Carl J. +1 more
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Taxonomia de Triportheidae Fowler (Teleostei: Ostariophysi: Characiformes) [PDF]
Triportheidae é uma família de Characiformes (Teleostei: Ostariophysi) recentemente erigida para incluir Agoniates, Clupeacharax, Engraulisoma, Lignobrycon e Triportheus, gêneros que historicamente foram classificados em Characidae ou Gasteropelecidae. A
Lopes, Douglas Alves [UNESP]
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