Results 1 to 10 of about 60 (46)

Here comes the large catfish “jaú” Zungaro jahu (Ihering 1898) (Teleostei, Pimelodidae): a new alarming case of fish introduction in a high-endemism Neotropical ecoregion

Acta Limnologica Brasiliensia, 2022
: Aim Non-native fish species have been closely related to serious damage to aquatic biodiversity due to their negative effects on native fauna. We aim to report the first and alarming occurrence of the non-native catfish “jaú” Zungaro jahu in the ...
Augusto Frota, Vinicius Abilhoa, Matheus O Freitas   +2 more
exaly   +7 more sources

Induced spawning and early ontogeny in hatchery-reared catfish Zungaro jahu (Siluriformes: Pimelodidae) [PDF]

Neotropical Ichthyology, 2012
Hatchery-kept catfish jahus Zungaro jahu (Ihering, 1898) were induced to spawn with carp pituitary extract. The telolecithal eggs were round (1.6 ± 0.1 mm in diameter), demersal, free, and covered with a 0.4 mm-thick jelly coat.
Lorena B. Nogueira, Pedro G. Azevedo, Mônica R. Canelhas, Alessandra G. Bedore, João M. Lopes, Hugo P. Godinho   +5 more
doaj   +3 more sources

Prevalência, distribuição geográfica e sazonal de protozoários e mixozoários parasitos de jaú (Zungaro jahu) no Pantanal Matogrossense Prevalence, geographic and seasonal distribution of protozoan and myxozoan parasites of jaú (Zungaro jahu) in the Pantanal of Mato Grosso, Brazil [PDF]

Pesquisa Veterinária Brasileira, 2012
Estudo realizado no Pantanal Matogrossense, avaliou a prevalência, a distribuição geográfica e sazonal de protozoários e mixozoários parasitos de jaú (Zungaro jahu).
Edson A. Adriano, Paulo S. Ceccarelli, Márcia R.M. Silva, Antonio A.M. Maia   +3 more
doaj   +6 more sources

Chromobacterium violaceum (Schröter 1872) isolated from the aquatic environment associated with the fish culture of Jaú, Zungaro jahu (Ihering, 1898) (Siluriformes, Pimelodidae)

Bioscience Journal, 2017
The jau, Zungaro jahu (Ihering, 1898) is an endangered species, rheophilic, reaching 1.5 m and more than 100 kg. During a work of microbiological monitoring of water quality, in the cultivation of Zungaro jahu, microorganisms that were isolated, were ...
Renato Ventresqui de Oliveira, Natália Conceição, Douglas de Castro Ribeiro, Fagner de Souza, Maria das Graças Reis, Marcelo Mattos Pedreira, Paulo Roberto da Silva, Afonso Pelli   +7 more
doaj   +6 more sources

Larviculture of the Zungaro jahu (Ihering, 1898)- JAÚ, an endangered species under laboratory conditions

International Journal of Hydrology, 2022
Zungaro jahu (Ihering, 1898) is a fish threatened with extinction, according to the Red List of the Ministry of the Environment and Legal Amazon. The objective of this work was to propose a cultivation protocol for the jaú. In the laboratory, 54 larvae were cultured for 15 days. Six specimens of jaú were removed, with a survival rate of 11%.
Afonso Pelli
exaly   +2 more sources

Radiotelemetry of a female jaú, Zungaro jahu (Ihering, 1898) (Siluriformes: Pimelodidae), passed upstream of Funil Dam, rio Grande, Brazil [PDF]

Neotropical Ichthyology, 2007
O jaú, Zungaro jahu (Ihering, 1898), é um bagre migrador de grande porte endêmico da bacia do rio da Prata, possui frágil status de conservação e sua ecologia é pouco conhecida. Nós rastreamos uma fêmea adulta de 1,5 m de comprimento total transposta para montante da barragem de Funil, rio Grande, para descrever movimentos migratórios, uso do hábitat ...
CARLOS Bernardo Mascarenhas Alves, Alexandre L Godinho, Godinho Alexandre Lima   +2 more
exaly   +6 more sources

Prevalência, distribuição geográfica e sazonal de protozoários e mixozoários parasitos de jaú (Zungaro jahu) no Pantanal Matogrossense

Pesquisa Veterinaria Brasileira, 2012
Estudo realizado no Pantanal Matogrossense, avaliou a prevalência, a distribuição geográfica e sazonal de protozoários e mixozoários parasitos de jaú (Zungaro jahu).
Edson A Adriano, Marcia R M Silva, Antonio A M Maia   +2 more
exaly   +3 more sources

Myxobolus cordeiroi n. sp., a parasite of Zungaro jahu (Siluriformes: Pimelodiade) from Brazilian Pantanal: Morphology, phylogeny and histopathology

Veterinary Parasitology, 2009
This work is part of an ongoing investigation into the characteristics of Myxozoan parasites of freshwater fish in Brazil and was carried out using morphology, histopathology and molecular analysis. A new Myxosporea species (Myxobolus cordeiroi) is described infecting the jaú catfish (Zungaro jahu).
Edson A Adriano, Ana Liz Garcia Alves, Flavio Henrique-Silva   +2 more
exaly   +4 more sources

Dynamics of fish larvae recruitment in the hydrographic basin of the Paraguay River in western Brazil [PDF]

Neotropical Ichthyology, 2023
The conservation of fish assemblages depends on the longitudinal and lateral connectivity between riverine habitats, in particular during the breeding season and the initial development.
Tatiane Pires de Sousa, Andréa Bialetzki, Lucia Aparecida de Fatima Mateus   +2 more
doaj   +1 more source

Embryonic development inZungaro jahu [PDF]

Zygote, 2016
SummaryThe aim of this study was to characterize the embryonic development ofZungaro jahu, a fresh water teleostei commonly known as ‘jaú’. Samples were collected at pre-determined times from oocyte release to larval hatching and analysed under light microscopy, transmission electron microscopy and scanning electron microscopy.
Marques, Camila, Faustino, Francine, Bertolucci, Bruno, Paes, Maria Do Carmo Faria, Silva, Regiane Cristina Da, Nakaghi, Laura Satiko Okada   +5 more
openaire   +3 more sources