Results 21 to 30 of about 18,024 (300)
Food Habits of Five Fish Species from A Blackwater Creek in The Colombian Amazon
Mundo Amazónico, 2023 To provide baseline life history information for some of the many small fishes found in blackwater forest streams in the Colombian Amazon near the town of Leticia, we describe trophic aspects of five species of fishes.
Edgar Francisco Prieto Piraquive +4 more
doaj +1 more source
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 +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 EvolThis 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 +4 more
europepmc +2 more sources
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
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 +2 more
openaire +3 more sources
Caudal Spotting in the Beacon Fish (Hemigrammus ocellifer Characidae) [PDF]
Journal of Heredity, 2002 The beacon fish (Hemigrammus ocellifer) exhibits two phenotypes associated with spotting at the base of the caudal fin, with fish either possessing (H. o. ocellifer) or lacking (H. o. falsus) a prominent red spot in this region. Segregation patterns observed from the progenies of 15 different crosses support a hypothesis that caudal spotting in this ...
Jack S. Frankel
openalex +4 more sources
, 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 +7 more
openaire +2 more sources
, 2021 Published as part of Bogan, Sergio, Agnolin, Federico & Mirande, Juan Marcos, 2021, Fossil record of a Characiform in the Monte Hermoso Formation (lower Pliocene), Buenos Aires, Argentina. Palaeobiogeographical implications, pp. 49-55 in Comptes Rendus Palevol 20 (4) on pages 50-51, DOI: 10.5852/cr-palevol2021v20a4, http://zenodo.org/record ...
Bogan, Sergio +2 more
openaire +2 more sources
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 +4 more
core +1 more source
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 +4 more
doaj +1 more source