Results 31 to 40 of about 207 (158)

First record of the “Matrinxã” Brycon amazonicus (Agassiz 1829) (Characiformes: Bryconidae) in the Rio Paranapanema mouth region, Upper Rio Paraná basin, Brazil [PDF]

Acta Limnologica Brasiliensia
: The Rio Paranapanema is one of the most important tributaries of the Upper Rio Paraná, and in recent decades there has been a marked decline in the population of native species due to the development of a series of reservoirs and the introduction of ...
Renan Borges dos Reis, Bruno Henrique Mioto Stabile, Augusto Frota, Weferson Júnio da Graça   +3 more
doaj   +1 more source

Crecimiento y supervivencia de postlarvas de piracanjuba (brycon orbignyanus) [PDF]

Archivos de Zootecnia, 2007
Este trabajo fue desarrollado en el laboratorio de reproducción de peces de la Estación Ambiental de Itutinga, CEMIG, en enero de 2002. El objetivo fue evaluar el crecimiento y supervivencia de postlarvas de piracanjuba (Brycon orbignyanus), en diferentes densidades de siembra y frecuencias de alimentación.
Silva,M.O., Logato,P.V.R., Murgas,L.D.S., Ribeiro,P.A.P., Maria,A.N.   +4 more
openaire   +3 more sources

Transferability of heterologous primers in Brycon falcatus [PDF]

Acta Amazonica, 2020
The genusBryconcomprises fish species of significant socioeconomic and biological importance in Brazil. Despite that, the genetic knowledge about these species is scarce, especially regardingBrycon falcatus.
Diego dos Santos PENHA, Felipe Pinheiro de SOUZA, Ed Christian Suzuki de LIMA, Angela Maria URREA-ROJAS, Victor César Freitas PANDOLFI, Andrei Lincoln YAMACHITA, Jayme Aparecido POVH, Natalia Gonçalves LEITE, Ulisses de Pádua PEREIRA, Nelson Mauricio LOPERA-BARRERO   +9 more
doaj   +1 more source

Brycon orbignyanus

, 2018
Brycon orbignyanus (Valenciennes, 1850) Fig. 6 Body deep; greatest depth contained 2.8 to 3.4, caudal peduncle depth 9.2 to 11.7 times in SL; head length 3.3 to 5.1, predorsal distance 1.8 to 2.1, caudal peduncle length 5.3 to 7.8 in SL; snout length 2.7 to 3.6, horizontal orbital diameter 3.1 to 5.0 and least interorbital width 2.1 to 3.0 in HL. Mouth
Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da, Pavanelli, Carla Simone   +3 more
openaire   +2 more sources

Morfologia da micrópila e da superfície dos ovócitos de piracanjuba, Brycon orbignyanus (Osteichthyes, Characidae), sob microscopia eletrônica de varredura - DOI: 10.4025/actascibiolsci.v25i1.2097

Acta Scientiarum: Biological Sciences, 2008
Este trabalho analisou a morfologia dos ovócitos de Brycon orbignyanus (Osteichthyes, Characidae), por meio de análises em microscopia eletrônica de varredura (MEV). Amostras de ovários de piracanjubas adultas foram coletadas.
Luciana Nakaghi Ganeco, Laura Satiko Okada Nakaghi   +1 more
doaj   +1 more source

Genetic diversity of migratory fish populations of the Rio Grande Reservoir (São Paulo, Brazil)

Semina: Ciências Agrárias, 2019
In recent years, anthropogenic factors such as pollution, overfishing, and construction of hydroelectric plants have significantly impacted natural fish populations. Research focusing on genetically evaluation of these impacts is necessary to objectively
Nelson Mauricio Lopera-Barrero, Felipe Pinheiro de Souza, Ed Christian Suzuki de Lima, Angela Maria Urrea-Rojas, Pedro Luiz de Castro, Elenice Souza dos Reis Goes, Victor César Freitas Pandolfi, Andrei Lincoln Yamachita, Carlos Antonio Lopes de Oliveira, Natália Gonçalves Leite, Ricardo Pereira Ribeiro   +10 more
doaj   +1 more source

Optimization of heterologous microsatellites in Piracanjuba

Pesquisa Agropecuária Brasileira, 2015
: The objective of this work was to evaluate 41 microsatellite markers for heterologous amplifications in piracanjuba (Brycon orbignyanus). Some markers were tested for the first time.
Fausto Moreira da Silva Carmo, Érico Macedo Polo, Marcos Antônio da Silva, Gabriel de Menezes Yazbeck   +3 more
doaj   +1 more source

Fish Sperm Subpopulations Detection, Separation, and Application: Current State and Trends

Reviews in Aquaculture, Volume 18, Issue 4, September 2026.
Modern advances in sperm biology highlight the necessity of recognising intra‐ejaculate heterogeneity as a central concept for advancing both the fundamental understanding of fertilisation processes and the development of artificial reproduction techniques in fishes. ABSTRACT Sperm subpopulations represent a fundamental manifestation of intra‐ejaculate
Viktoriya Dzyuba, William V. Holt, Borys Dzyuba   +2 more
wiley   +1 more source

Semi‐Artificial Breeding Report of Endangered Chitala lopis Using Hormonal Induction Treatments

Aquaculture, Fish and Fisheries, Volume 6, Issue 4, August 2026.
The graphical abstract of the first successful semi‐artificial breeding of the endangered Giant Featherback (Chitala lopis, Bleeker 1851) by hormonal induction ABSTRACT Reproductive maturity of Chitala lopis is critical for preventing species loss, as the species was previously listed as critically endangered on the IUCN Red List.
Boby Muslimin, Arif Wibowo, Siti Rachmi Indahsari, Mochammad Zamroni, Asep Permana, Mirna Dwirastina, Indah Anggraini Yusanti, Sujaka Nugraha, Andi Chadijah, Bastiar Nur, Nunak Nafiqoh, Rendy Ginanjar, M. Indra Wahyu Pratama, Deni Radona, Indah Lestari, Oriza Savitri Ariantie, Vitas Atmadi Prakoso, Kurniawan Kurniawan, Giorgia Gioacchini   +18 more
wiley   +1 more source

Genetic Structure and Conservation Strategies for the Endangered Catfish Steindachneridion melanodermatum (Siluriformes, Pimelodidae) in the Iguaçu River, Brazil

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 6, June 2026.
ABSTRACT The endemic catfish Steindachneridion melanodermatum from the Iguaçu River basin, southern Brazil, is one of the most threatened pimelodid species. Comprehension of its genetic structure is imperative to the formulation of long‐term efficacious conservation strategies. A genetic analysis was conducted on three populations from the lower Iguaçu
Jesús Hernández‐Gómez, Caio Felipe da Silva, Carolina de Oliveira Magalhães, Bruno Henrique Mattiello, Juliano Tupan Coragem, Ricardo Utsunomia, Fabio Porto‐Foresti, Fernanda Dotti do Prado, Roberto Ferreira Artoni   +8 more
wiley   +1 more source