Results 31 to 40 of about 1,591 (196)

Identification of parasites in youth paiches “Arapaima gigas”

open access: yesScientia Agropecuaria, 2017
El objetivo de este estudio fue i dentificar parasitosis en paiches juveniles “ Arapaima gigas” , criados en cautiverio en el instituto de Investigaciones de la Amazonia Peruana (IIAP - Ucayali) Perú. En una población de 190 juveniles se tomó una muestra al azar de 50 ejemplares de 2,5 años de edad .
Lisandro Tafur, Marcelo Cotrina
openaire   +6 more sources

Chromosomal characterization of the bonytongue Arapaima gigas (Osteoglossiformes: Arapaimidae) [PDF]

open access: yesNeotropical Ichthyology, 2006
The mitotic chromosomes of the pirarucu Arapaima gigas inhabiting the middle Araguaia River and collected in the municipality of Araguaiana (MT, Brazil) were studied. The chromosomes were analyzed through Giemsa staining, C-banding, Ag-NOR staining and in situ hybridization using an 18S rRNA gene probe. The karyotype had 2n=56 comprising 14 biarmed and
Marques, Debora Karla   +2 more
openaire   +5 more sources

Oocyte development in pirarucu Arapaima gigas (Schinz, 1822). [PDF]

open access: yes, 2021
This work aimed to describe the oocyte development in pirarucu, Arapaima gigas, from primary growth to ovulation stages for the first ...
KIRSCHNIK, L. N. G.   +3 more
core  

Fishes and cowboy boots: An optimistic view

open access: yesConservation Science and Practice, 2020
The community‐based management of Arapaima gigas for sustainable commercial use allows that wild fish legally harvested in the Brazilian Amazon supply the demand for exotic leather in the US, supporting the conservation of the forest and providing income
Pedro de Araujo Lima Constantino   +11 more
doaj   +1 more source

Paiche (Arapaima gigas) (Cuvier, 1829) (Osteoglossiformes: Arapaimidae): una revisión sistemática de la diversidad genética para la conservación del pez gigante del Amazonas

open access: yesCampus, 2021
The paiche (Arapaima gigas) (Cuvier, 1829) (Osteoglossiformes: Arapaimidae) lives mainly in the countries of Peru, Brazil, Ecuador and Guyana. An exhaustive review study was carried out on genetic diversity for the conservation of A.
Gian Franco Hermoza
doaj   +1 more source

On some insects and mites associated with dried and salted fish in Brazil [PDF]

open access: yesActa Amazonica, 1982
Summary Two insect and two mite species are reported from dried and salted fish ("pirarucu", Arapaima gigas Cuvier) in Manaus, Amazonas, Brazil, namely: Liposcelis bostrychophilus Badonnel (Insecta, Psocidae) and the parasite of its eggs, Alaptus ...
Carlos H. W. Flechtmann   +1 more
doaj   +1 more source

Morphology and Histology of the Pirarucu (Arapaima gigas) Digestive Tract [PDF]

open access: yesInternational Journal of Morphology, 2017
The present study describes the morphology and histology of the digestive tract of juvenile pirarucu, which is a Neotropical fish species with great potential for aquaculture in the Amazon region. Three size classes of pirarucu juveniles from commercial fish farms were sampled for histological examination of the oesophagus, stomach, pyloric caeca ...
Rodrigues, Ana Paula Oeda   +1 more
openaire   +2 more sources

Oropharyngeal morphological aspects of Arapaima gigas (Schinz, 1822)

open access: yesBoletim do Instituto de Pesca, 2022
The study of the functional anatomy of the digestive system of fish, in particular the oropharyngeal cavity, is of great importance because it allows inferences about the feeding habit, mechanisms of capture, selection, and processing of food carried out by different species. Thus, the aim of this study was to describe the anatomical adaptations of the
Luana Félix de Melo   +6 more
openaire   +2 more sources

First record of Arapaima gigas (Schinz, 1822) (Teleostei: Osteoglossomorpha), the “pirarucu”, in the upper Paraná River basin, Southeast Brazil [PDF]

open access: yesCheck List, 2015
Arapaima gigas (Schinz), the “pirarucu”, is one of largest freshwater fish of the Neotropical region, naturally occurring in the Amazon, Essequibo, and Orinoco river basins.
Fernando Carvalho   +3 more
doaj   +3 more sources

Impact and fracture analysis of fish scales from Arapaima gigas

open access: yesMaterials Science and Engineering: C, 2015
Fish scales from the Amazonian fish Arapaima gigas have been characterised to study their impact and fracture behaviour at three different environmental conditions. Scales were cut in two different directions to analyse the influence of the orientation of collagen layers.
Torres, F. G.   +2 more
openaire   +3 more sources

Home - About - Disclaimer - Privacy