Results 91 to 100 of about 16,809 (196)
Genetic associations amongst subpopulation of Arapaima gigas
Arapaima gigas, also known as pirarucu, is endemic to the Amazon basin. There is currentlyconsiderable effort being made to cultivate this species to reduce pressure on natural populations.
Vinicius Barrose Candau
core +1 more source
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
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
Spread of Amazonian Freshwater Fishes Beyond Their Native Ranges
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
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
Preliminary studies on the optimum feeding rate for pirarucu Arapaima gigas juveniles reared in floating cages. [PDF]
This study aimed at testing the feeding rates on growth performance of pirarucu juveniles, Arapaima gigas, reared in ...
MORAES, A. M. de +8 more
core
Caracterização genética do pirarucu Arapaima gigas (Cuvier) (Teleostei, Osteoglossidae) da bacia Tocantins-Araguaia, estado do Mato Grosso. [PDF]
In South America the osteoglossiforms are represented by the Arapaima and the Osteoglossum sorts, which are mostly found in the Amazonic basin, Tocantins Araguaia.
Marques, Débora Karla Silvestre
core
First record of an in vivo collection of semen from pirarucu Arapaima gigas (Schinz, 1822).
In this study we report novel information on the opening position of the spermatic duct of Arapaima gigas, and method to collect semen in live ...
KIRSCHNIK, L. N. G. +3 more
core
O objetivo deste trabalho foi verificar o período preferencial de consumo alimentar do pirarucu, Arapaima gigas, e a influência de diferentes turnos de alimentação no consumo e ganho de peso dessa espécie.
Roger Crescêncio +5 more
doaj +1 more source
The Giant of Amazon basin, pirarucu, Arapaima gigas, is the largest scaled freshwater fish in the world. pirarucu cultivation has recently started, driven by the decline in natural populations and high market value.
Carlos Riedel Porto Carreiro +3 more
doaj +1 more source

