Results 51 to 60 of about 4,422 (193)

Cultivo consorciado do pirarucu com a tilápia

open access: yesRevista de Ciências Agrárias, 2010
Abstract: With the purpose of studying the growth of arapaima (Arapaima gigas) and tilapia (Oreochromis niloticus) in an intercropping, a pond area of 190 m2, has been excavated in Gleissolo Haplico populated with individuals of 10 A was used . gigas measuring 21.5 cm in average length and weighing an average of 54.21 g.
Raimundo Aderson Lobão de Souza   +5 more
openaire   +1 more source

Digestibilidade aparente de dietas práticas com diferentes relações energia: proteína em juvenis de pirarucu Apparent digestibility coefficient of practical diets with different energy: protein ratios for pirarucu juveniles

open access: yesPesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi determinar a digestibilidade aparente de nutrientes e energia de dietas para juvenis de pirarucu, Arapaima gigas. Foram testadas oito dietas, contendo quatro relações energia:proteína (11, 10,1, 9, 8 kcal energia digestível ...
Eduardo Akifumi Ono   +4 more
doaj   +1 more source

Seasonality Influence on Biochemical and Hematological Indicators of Stress and Growth of Pirarucu (Arapaima gigas), an Amazonian Air-Breathing Fish

open access: yesThe Scientific World Journal, 2014
Environmental factors such as seasonal cycles are the main chronic stress cause in fish increasing incidence of disease and mortality and affecting productive performance.
Rosiely Felix Bezerra   +4 more
doaj   +1 more source

Morphology of the Amazonian Teleost Genus Arapaima Using Advanced 3D Imaging

open access: yesFrontiers in Physiology, 2020
The arapaima is the largest of the extant air-breathing freshwater fishes. Their respiratory gas bladder is arguably the most striking of all the adaptations to living in the hypoxic waters of the Amazon basin, in which dissolved oxygen can reach 0 ppm ...
Miriam Scadeng   +10 more
doaj   +1 more source

Pirarucu: reprodução e novas tecnologias de cultivo

open access: yesRevista Semiárido De Visu, 2020
A proposta desta revisão é realizar uma sinopse sobre o potencial da produção de pirarucu Arapaima gigas através da aquicultura. O pirarucu é considerado um dos principais produtos pesqueiros da bacia hidrográfica do rio Amazonas. Os cientistas estão preocupados com o declínio do pirarucu na natureza.
openaire   +2 more sources

Comparative cytogenetic survey of the giant bonytongue Arapaima fish (Osteoglossiformes: Arapaimidae), across different Amazonian and Tocantins/Araguaia River basins [PDF]

open access: yesNeotropical Ichthyology, 2020
The South American giant fishes of the genus Arapaima, commonly known as pirarucu, are one of the most iconic among Osteoglossiformes. Previously cytogenetic studies have identified their karyotype characteristics; however, characterization of ...
Ezequiel A. de Oliveira   +10 more
doaj   +1 more source

Fine‐Scale Genomic Divergence in the Amazonian Pirarucu (Arapaima gigas) Highlights the Need for Local Management Strategies

open access: yesFreshwater Biology, Volume 71, Issue 3, March 2026.
ABSTRACT Freshwater habitats face significant human disturbances globally, impacting food security and ecosystems. Protected areas can mitigate biodiversity loss, but limited data on population connectivity hinders conservation management. This study examines pirarucu (Arapaima gigas), a heavily exploited and threatened Amazonian fish, using genomic ...
Julia Tovar Verba   +6 more
wiley   +1 more source

The influence of sex ratio on the reproduction of pirarucu, Arapaima gigas, in captivity [PDF]

open access: yesActa Amazonica, 2018
Because sex ratio in the broodstock can influence the reproductive behaviour of a species, the influence of sex ratio on the reproductive success of pirarucu, Arapaima gigas, in captivity was assessed.
Adriana Ferreira LIMA
doaj   +2 more sources

Fisher Behavior While Illegally Fishing for Atlantic Goliath Grouper (Epinephelus itajara, Epinephelinae) on the Amazon Continental Shelf, Brazil

open access: yesFisheries Management and Ecology, Volume 33, Issue 1, Page 1-13, February 2026.
ABSTRACT In 2002, the Brazilian government banned fishing for Goliath grouper, Epinephelus itajara (Lichtenstein, 1822), through 2007. This grouper was the first fish species targeted by a specific law in Brazilian environmental legislation. Grouper stocks showed no signs of recovery, so the ban was renewed multiple times since 2007. Official estimates
Felipe Moreira de Souza   +3 more
wiley   +1 more source

Avaliação sensorial e Microbiológica do Bacon de Ventrecha de Pirarucu (Arapaima gigas) / Sensory and microbiological evalution of Pirarucu ventrecha bacon (Arapaima gigas)

open access: yesBrazilian Journal of Development, 2022
O pescado é considerado um alimento altamente perecível, sendo necessária a adoção de tecnologias que aumentem sua vida de prateleira como a elaboração de novos produtos. O pirarucu é considerado um peixe de alto valor comercial, e apresenta características zootécnicas favoráveis para pisicicultura.
Joana Maia Mendes   +5 more
openaire   +1 more source

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