Results 71 to 80 of about 581 (166)

Fatty acid composition and influence of temperature on the lipid stability of Arapaima gigas meat

open access: yesBrazilian Journal of Food Technology, 2019
The nutritional quality and lipid stability of Arapaima gigas fillets were investigated. A total of 27.32 kg of A. gigas fillets were obtained and the proximate composition and fatty acid profile immediately determined.
Nathália Miranda Coutinho   +6 more
doaj   +1 more source

Local knowledge enhances the sustainability of interconnected fisheries

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
Our modelling approach allows managers to compare alternative conservation strategies under different socio‐ecological scenarios, highlighting trade‐offs and guiding investment of effort and resources. While immediately valuable for pirarucu management in the Middle Juruá, the framework scales across tiers of applicability, each requiring progressively
Carine Emer   +4 more
wiley   +1 more source

Camallanus tridentatus (Drasche) (Nematoda: Camallanidae): new taxonomically important morphological data

open access: yesMemorias do Instituto Oswaldo Cruz, 2009
Camallanus tridentatus is redescribed on the basis of the examination of specimens obtained from the stomach, caeca and intestine of the naturally infected arapaima Arapaima gigas (Schinz) from the Mexiana Island, Amazon River Delta, Brazil.
Cláudia Portes Santos   +1 more
doaj   +1 more source

Spread of Amazonian Freshwater Fishes Beyond Their Native Ranges

open access: yesFish and Fisheries, Volume 27, Issue 1, Page 56-67, January 2026.
ABSTRACT The spread and establishment of Amazonian species outside their native ranges through activities such as sport fishing, aquaculture, and the ornamental fish industry may lead to ecological changes in recipient ecosystems. We investigated the global distribution of Amazonian freshwater fish (AFF) and conducted a case study in the upper Paraná ...
Aymar Orlandi Neto   +8 more
wiley   +1 more source

Genetic diversity of Arapaima gigas (Schinz, 1822) (Osteoglossiformes: Arapaimidae) in the Araguaia-Tocantins basin estimated by ISSR marker

open access: yesNeotropical Ichthyology
The genetic diversity of the specimens of four natural populations of Arapaima from Araguaia-Tocantins basin was assessed within and among these stocks, using five primers for ISSR.
Carla A. Vitorino   +3 more
doaj   +1 more source

Tolerância de juvenis de pirarucu ao aumento da concentração de amônia em ambiente confinado Tolerance of pirarucu juveniles to increasing ammonia concentration in a closed environment

open access: yesPesquisa Agropecuária Brasileira, 2004
O objetivo deste trabalho foi avaliar a tolerância de juvenis de pirarucu, Arapaima gigas, a concentrações crescentes de amônia na água. Oito peixes (2,6±0,4 kg e 70,5±4,1 cm de comprimento) foram distribuídos aleatoriamente em quatro ...
Bruno Adan Sagratzki Cavero   +6 more
doaj   +1 more source

Assessing the population structure of Plagioscion squamosissimus (Teleostei, Perciformes, Sciaenidae) from the São Francisco River, Bahia, Brazil, using body morphology and otolith shape signatures

open access: yesJournal of Fish Biology, Volume 108, Issue 1, Page 69-85, January 2026.
Abstract The south American silver croaker, Plagioscion squamosissimus, holds significant importance for the artisanal fisheries in the sub‐middle and lower courses of the São Francisco River, located in northeastern Brazil. To investigate the population structure of this species along its longitudinal profile, a total of 150 individuals (50 fish per ...
F. L. Freitas   +4 more
wiley   +1 more source

Aspectos reprodutivos e perfil hormonal dos esteróides sexuais do pirarucu, Arapaima gigas (SCHINZ,1822), em condições de cativeiro Reproductive aspects and sexual steroids hormonal profiles of pirarucu, Arapaima gigas (SCHINZ,1822), in captivity conditions

open access: yesActa Amazonica, 2010
Esta pesquisa teve como objetivo caracterizar a reprodução e o perfil hormonal dos esteróides sexuais do pirarucu, Arapaima gigas, além de validar um aspecto do dimorfismo sexual secundário.
Leonardo Bruno Barbosa Monteiro   +3 more
doaj   +1 more source

Reproducción, cría y manejo de Arapaima gigas

open access: yes, 2023
Arapaima gigas es una especie de pez de lengua ósea amazónico. Resultan llamativos por su gran tamaño y sus escamas rojas y resultan de interés en las regiones amazónicas por su preciada carne. Estos peces tienen características reproductivas y morfológicas que hacen especial su cría y manejo.
Buzzi Rozalén, Carla   +1 more
openaire   +1 more source

Molecular and functional characterization of a fads2 orthologue in the Amazonian teleost, Arapaima gigas

open access: yesComparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, 2017
The Brazilian teleost Arapaima gigas is an iconic species of the Amazon. In recent years a significant effort has been put into the farming of arapaima to mitigate overfishing threats. However, little is known regarding the nutritional requirements of A.
Lopes-Marques, Mónica   +5 more
openaire   +4 more sources

Home - About - Disclaimer - Privacy