Results 261 to 270 of about 18,439 (295)

Are characiform Fishes Gondwanan in Origin? Insights from a Time-Scaled Molecular Phylogeny of the Citharinoidei (Ostariophysi: Characiformes)

PLoS ONE, 2013
Fishes of the order Characiformes are a diverse and economically important teleost clade whose extant members are found exclusively in African and Neotropical freshwaters. Although their transatlantic distribution has been primarily attributed to the Early Cretaceous fragmentation of western Gondwana, vicariance has not been tested with temporal ...
Jairo Arroyave
exaly   +6 more sources

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Adaptation to herbivory and detritivory drives the convergent evolution of large abdominal cavities in a diverse freshwater fish radiation (Otophysi: Characiformes)

Evolution; international journal of organic evolution, 2021
Convergent evolution is often interpreted as evidence of natural selection favoring an optimal phenotype during adaptation. Morphological convergence is frequently found among lineages that converge on diet, but most studies have focused on morphological
Michael D. Burns
semanticscholar   +1 more source

A new genus of Anostomidae (Ostariophysi: Characiformes): Diversity, phylogeny and biogeography based on cytogenetic, molecular and morphological data

Molecular Phylogenetics and Evolution, 2017
Jorge L Ramirez, José L O Birindelli
exaly   +2 more sources

Chromosomal Analysis of Ctenolucius hujeta Valenciennes, 1850 (Characiformes): A New Piece in the Chromosomal Evolution of the Ctenoluciidae

Cytogenetic and Genome Research, 2021
Ctenoluciidae (Characiformes), a family of freshwater fishes, comprises 2 genera, Ctenolucius and Boulengerella, with 7 recognized species. Up to now, only species of the genus Boulengerella have been subjected to cytogenetic studies.
José Souza, E. Guimarães, V. Pinheiro-Figliuolo, M. Cioffi, L. A. Bertollo, E. Feldberg   +5 more
semanticscholar   +1 more source

Phylogenetic study of the Characinae (Teleostei: Characiformes: Characidae) [PDF]

Zoological Journal of the Linnean Society, 2012
The Characinae is a subunit of the Characidae of special significance in including Charax, the type genus of the family and the order Characiformes. Twelve genera and 79 species have been traditionally assigned to the Characinae, but the subfamily still lacks a phylogenetic diagnosis.
George Mattox, Mônica Toledo-Piza
exaly   +3 more sources

Monophyly of the Agoniatinae (Characiformes: Characidae)

Zootaxa, 2013
The Characidae is the most diverse family of Neotropical fishes, currently encompassing more than one thousand valid spe-cies. Some subgroups within this family still lack phylogenetic definitions, being diagnosed on the basis of combination of characters, a common procedure in pre-cladistic studies. Agoniatinae, currently composed by two valid species,
Dagosta, Fernando C.P., Datovo, Aléssio
openaire   +3 more sources

Endocardiosis in Tetras (Family Characiformes)

Journal of Comparative Pathology, 2019
Proliferative, myxomatous change was identified in the cardiac valves (i.e. valvular endocardiosis) with extension into some cardiac walls (i.e. mural endocardiosis) of five tetras (four neon tetras [Paracheirodon innesi] and one rummynose tetra [Hemigrammus rhodostomus]).
A.N. Cartoceti, K. Holder, R. Kim, Roy P. E. Yanong, Elise E B LaDouceur, J. St. Leger   +5 more
openaire   +2 more sources

Phylogenomics of Characidae, a hyper-diverse Neotropical freshwater fish lineage, with a phylogenetic classification including four families (Teleostei: Characiformes)

Zoological Journal of the Linnean Society
Neotropical tetras of the family Characidae form the largest and most taxonomically complex clade within the order Characiformes. Previous phylogenetic relationships concur on the recognition of four major subclades, whereas knowledge on intergeneric ...
B. F. Melo, R. P. Ota, R. C. Benine, F. R. Carvalho, Flávio C. T. Lima, G. Mattox, C. Souza, T. C. Faria, Lais Reia, F. Roxo, Martha Valdez-Moreno, T. Near, Claudio Oliveira   +12 more
semanticscholar   +1 more source

Taxonomic revision of the genus Anostomoides (Characiformes: Anostomidae)

Zootaxa, 2019
A taxonomic revision of Anostomoides is herein presented based on a comprehensive revision of specimens deposited in fish collections and the literature. The present revision proposes that A. laticeps is a junior synonym of A. atrianalis, while A. passionis is a junior synonym of Leporinus nattereri, and the latter is thus transferred to Anostomoides ...
Assega, Fernando Massayuki, Birindelli, José Luís Olivan   +1 more
openaire   +3 more sources

Reproductive Characteristics of Characiformes

1992
The Characiformes, as defined by Fink and Fink (1981), are a major group of ostariophysean fishes confined to the freshwaters of the Neotropics and Africa. They range in size from miniature, fully mature species under 20 mm standard length (Weitzman and Vari 1988) to species such as the tambaqui (Colossoma macropomum) and the dourado (Salminus ...
Anna Emilia Amato de Moraes Vazzoler, Naércio A. Menezes   +1 more
openaire   +2 more sources