Results 21 to 30 of about 18,147 (299)

Sperm phylogeny of Characidae (Teleostei, Characiformes)

Zoologica Scripta, 2022
AbstractThe phylogeny of the very diverse Neotropical fish family Characidae has been the subject of several recent contributions based on morphological characters, molecular data or both in combined analyses. In cases of conflict between these kinds of data, resolution by combined analyses most often tends to agree with the molecular evidence, given ...
Juan Marcos Mirande, Clarianna M. Baicere‐Silva, Júlio C. O. Santana, Irani Quagio‐Grassiotto   +3 more
openaire   +2 more sources

Linking anatomical and histological traits of the digestive tract to resource consumption and assimilation of omnivorous tetra fishes. [PDF]

Ecol Evol
This study investigates digestive traits and dietary patterns in omnivorous tetra fishes from the Iguaçu River basin, known for high endemism. The researchers found that while the tetra fishes shared histological structures, anatomical differences in digestive traits correlated with distinct dietary preferences.
Neves MP, Amorim JPA, Delariva RL, Kratina P, Fialho CB.   +4 more
europepmc   +2 more sources

Biologia do saguirú (Characidae, Curimatinae) [PDF]

Memórias do Instituto Oswaldo Cruz, 1938
In Brazil all the fishes belonging to the sub-family Curimatinae are called « saguirú ». The present work gives a biological study of the Curimatus elegans Steind., a small fish without any economical importance, which is to be found along the whole brazilian coast, down till Paraguay.
Azevedo, P. de, Dias, M. Vianna, Vieira, B. Borges   +2 more
openaire   +3 more sources

Characidae Latreille 1825

, 2023
Family Characidae Latreille 1825 (Fig. 3B). Characins, Tetras; Sardinas, Sardinitas de Río, Sabaletes Description: Body fusiform to slightly elongate, compressed to strongly compressed; usually less than 15 cm in length; upper jaw usually not projecting well beyond the tip of the lower jaw, upper jaw usually with 1–2 rows of multicuspid teeth; fins ...
Angulo, Arturo, Betts, Joel T., González-Alemán, Néstor J., Castañeda, Edgar, Berghe, Eric Van Den, Elías, Diego J., Mcmahan, Caleb D., Matamoros, Wilfredo A.   +7 more
openaire   +1 more source

A new species of Moenkhausia (Characiformes: Characidae) from the rio Madeira basin, Brazil, with comments on the evolution and development of the trunk lateral line system in characids

Neotropical Ichthyology, 2021
A new species of Moenkhausia is described from the rio Machado drainage, Amazon basin, Brazil. It is diagnosed from congeners by its color pattern, consisting of the concentration of chromatophores on the anterior portion of body scales, the horizontally
M. Marinho, W. Ohara, F. Dagosta
semanticscholar   +1 more source

ECONOMIC FEASIBILITY FOR THE PRODUCTION OF LIVE BAITS OF LAMBARI (Deuterodon iguape) IN RECIRCULATION SYSTEM

Boletim do Instituto de Pesca, 2019
Sport fishing is a growing segment in the fishing sector in Brazil. It is, however, an activity that depends upon young shrimp and fish offer to supply live bait demand, its extraction might result on overfishing and compromise natural stock.
Marcelo Barbosa Henriques, Júlia Shulz Carneiro, Lúcio Fagundes, Leonardo Castilho-Barros, Edison Barbieri   +4 more
doaj   +1 more source

Female mating preferences in blind cave tetras Astyanax fasciatus (Characidae, Teleostei). [PDF]

, 2006
The Mexican tetra Astyanax fasciatus has evolved a variety of more or less color- and eyeless cave populations. Here we examined the evolution of the female preference for large male body size within different populations of this species, either surface-
Plath, Martin, Rohde, Matthias, Schlupp, Ingo, Schröder, Thekla, Taebel-Hellwig, Angelika   +4 more
core   +1 more source

A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil

Neotropical Ichthyology, 2021
A new species of Hyphessobrycon belonging to the Hyphessobrycon heterorhabdus species-group from the lower rio Tapajós, state of Pará, Brazil, is described. The new species is allocated into the Hyphessobrycon heterorhabdus species-group due to its color
T. C. Faria, K. Guimarães, L. Rodrigues, C. Oliveira, Flávio C. T. Lima   +4 more
semanticscholar   +1 more source

Taxonomic revision of Galeocharax (Characiformes: Characidae: Characinae) [PDF]

Neotropical Ichthyology, 2017
ABSTRACT 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. A total of 1229 specimens were examined from which 680 had meristic and morphometric data taken. Osteological
Giovannetti, Victor, Toledo-Piza, Mônica, Menezes, Naércio A.   +2 more
openaire   +5 more sources

Hyphessobrycon nicolasi (Teleostei: Characidae) a new species from the Uruguay River basin in the Mesopotamian Region, Argentina [PDF]

, 2010
Hyphessobrycon nicolasi is described from the Uruguay River basin in the Mesopotamian Region, Entre Ríos, Argentina. The new species can be distinguished from all congeners by the presence of a well-defined oblique and marginal black stripe on each lobe ...
Lopez, Hugo Luis, Miquelarena, Amalia Maria   +1 more
core   +3 more sources