Results 31 to 40 of about 1,284 (181)
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 +9 more
doaj +1 more source
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 +3 more
doaj +1 more source
, 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 +3 more
openaire +1 more source
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 +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 +10 more
doaj +1 more source
Acta Limnologica Brasiliensia, 2020 : Aim This study provides the first direct evidence about the location of a spawning site of Brycon orbignyanus (Valenciennes, 1850) in the Middle Uruguay River.
David Augusto Reynalte-Tataje +4 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 +3 more
doaj +1 more source
Valores para o leucograma e trombograma de juvenis de dourado (Salminus brasiliensis) em condições experimentais de cultivo. [PDF]
, 2014 Este estudo teve por objetivo caracterizar as células sanguíneas e quantificar os trombócitos e leucócitos de juvenis de Salminus brasiliensis mantidos em condições experimentais de cultivo, desde a alevinagem.
HISANO, H. +4 more
core
Low‐Effort eDNA Sampling Reveals Fish Community Patterns in a Neotropical River Basin
Environmental DNA, Volume 7, Issue 4, July–August 2025.Low eDNA sampling effort (< 10 sample sites) using a portable on‐site kit with syringe filters and a modest water volume (< 500 mL per site) provided a rapid and robust snapshot of fish biodiversity. Environmental DNA based species richness increases along the upstream‐downstream gradient showing a significant negative correlation with river elevation ...
Daniel Cardoso Carvalho +4 more
wiley +1 more source
Aquaculture Research, Volume 2025, Issue 1, 2025.Milt cryopreservation facilitates native fish’s constant production of commercial interest. However, it can damage spermatozoa (sptz) due to the osmotic stress of diluents and low temperatures. This study compares spermatic quality in fresh (SF) and cryopreserved (CS) milt in B. amazonicus for 24 h, 1 month, and 3 months.
Owens José Barros-Barrios +4 more
wiley +1 more source