Results 41 to 50 of about 538 (159)

Dinâmica populacional da matrinxã Brycon amazonicus (Characidae) na Amazônia Central [PDF]

Zoologia (Curitiba), 2009
The matrinxa, Brycon amazonicus (Spix & Agassiz, 1829) is one of the most important fishery resources of the Amazonas state. Its population dynamics in Central Amazon was analyzed based on total landing and biometry data registered in the main landing port of Manaus, between 1994 and 2002.
Santos Filho, Leocy C. dos, Batista, Vandick da S.   +1 more
openaire   +3 more sources

Água levemente salinizada aumenta a eficiência da larvicultura de peixes neotropicais

Pesquisa Agropecuária Brasileira, 2013
O objetivo deste trabalho foi avaliar o efeito de água levemente salinizada sobre a larvicultura intensiva do tambaqui, matrinxã, apaiari e piau, durante os dias iniciais de alimentação.
Rosângela Kiyoko Jomori, Ronald Kennedy Luz, Rodrigo Takata, Thiago El Hadi Perez Fabregat, Maria Célia Portella   +4 more
doaj   +1 more source

Safest level of tricaine methanesulfonate (ms-222) to induce anesthesia in juveniles of Matrinxã, Brycon cephalus [PDF]

Acta Amazonica, 2001
The use of MS-222 as an anesthetic for matrinxã juveniles was investigated. At dosage of 100 mg/L or lower fish did not achieve a complete anesthesia state.
Rodrigo ROUBACH, Levy de Carvalho GOMES, Adalberto Luís VAL   +2 more
doaj   +1 more source

Larviculture of Brycon amazonicus under Different Food and Farming Systems

Aquaculture Journal, 2023
Freshwater fish larviculture techniques still have deficiencies in cultivation and feeding. In this study, we evaluated experimentally different cultivation and feeding systems in the Brycon amazonicus (matrinxã) larviculture.
Gustavo Alberto Arbeláez-Rojas, Maria da Graça Gama Melão   +1 more
doaj   +1 more source

Development, genetic diversity analysis, and transferability of microsatellite markers for Brycon amazonicus [PDF]

Brazilian Journal of Biology
Brycon amazonicus is a species native to Brazil, with significant socioeconomic importance and immense potential for fish production. It is the second most cultivated species in the Amazon.
A. M. Urrea-Rojas, F. P. Souza, S. M. de Godoy, D. C. Feliciano, A. R. Poveda-Parra, U. P. Pereira, O. P. Prado-Calixto, I. Y. Mizubuti, N. M. Lopera-Barrero   +8 more
doaj   +1 more source

The Efficacy of Clove Seed Aqueous Extract as an Anesthetic Agent on the Stress Response of Mystus cavasius During Transportation

Aquaculture Research, Volume 2026, Issue 1, 2026.
Mystus cavasius (locally known as Gulsha) is a commercially important catfish in Bangladesh, typically transported live in oxygenated polythene bags without anesthetics, often resulting in severe stress, injuries, and high mortality. This study evaluated the efficacy of clove seed aqueous extract (CAE) as a natural anesthetic at different ...
Nafisa Khatun, Nusrat Jahan Sumaiya, Nishat Sultana, Shajjad Hossian, Mohammad Matiur Rahman   +4 more
wiley   +1 more source

Influência da densidade de estocagem no cultivo de alevinos de matrinxã Brycon cephalus (Günther, 1869) em condições experimentais - DOI: 10.4025/actascibiolsci.v26i1.1670

Acta Scientiarum: Biological Sciences, 2008
Com o objetivo de avaliar a influência da densidade de estocagem no cultivo de alevinos de matrinxã (Brycon cephalus), foram utilizados 300 alevinos com peso inicial de 2g ± 0,82g e comprimento inicial de 5,7cm ± 0,74cm, distribuídos em 20 tanques (200L).
Nandeyara Ribeiro Marques, Carmino Hayashi, Wilson Massamitu Furuya, Claudemir Martins Soares   +3 more
doaj   +1 more source

Amazonian fish migration as a social–cultural–ecological process

People and Nature, Volume 7, Issue 12, Page 3297-3312, December 2025.
Abstract In this study, we highlight the rich perspectives and explanations of fish migration held by Indigenous groups across the Amazon. We present the aspects of Indigenous cosmological stories, drawing from our exploratory review of cultural ethnographies and grey literature, as well as the authors' own experiences. We ask, how do Amazonian peoples
LuLu Victoria‐Lacy, Thiago B. A. Couto, Natalia C. Piland, Jesús Dámaso, Stephannie Fernandes, Simone Athayde, Elizabeth P. Anderson   +6 more
wiley   +1 more source

Composição corporal de tambaqui, Colossoma macropomum, e matrinxã, Brycon cephalus, em sistemas de cultivo intensivo, em igarapé, e semi-intensivo, em viveiros

Revista Brasileira de Zootecnia, 2002
Foi conduzido um estudo para avaliar o efeito do sistema de cultivo na composição corporal de juvenis de tambaqui e matrinxã, quando cultivados em sistema intensivo, em canal de igarapé, e em sistema semi-intensivo, em viveiros.
Arbeláez-Rojas Gustavo Alberto, Fracalossi Débora Machado, Fim Jorge Daniel Indrusiak   +2 more
doaj   +2 more sources

Impacts of Hydroelectric Dams on Amazonian Fisheries: Assessing Functional Attributes in the Madeira River

River Research and Applications, Volume 41, Issue 7, Page 1493-1502, September 2025.
ABSTRACT The Madeira River is one of the main tributaries of the Amazon Basin, supporting over 1300 known fish species. Fisheries in this region play a critical role for riverine populations, serving as a primary source of income and sustenance. In 2011, the construction of the Jirau and Santo Antônio hydroelectric dams (HEDs) was completed along the ...
Ana Laura Monteiro de Souza, Rogério Fonseca, Rangel Eduardo Santos, Raniere Garcez Costa Sousa, Felipe Micali Nuvoloni, Isys Nathyally de Lima Silva, Karen Sayuri Takano, Fabrício Berton Zanchi   +7 more
wiley   +1 more source