Results 11 to 20 of about 314 (167)

Ultrasonography, exfoliative cytology, and celiotomy as sex determination methods for Pimelodus maculatus

open access: yesAquaculture Reports
This study explored ultrasonography, exfoliative cytology, and celiotomy as methods for sex determination in Pimelodus maculatus, a species included in fish-stocking programs aimed at conserving and recovering populations affected by hydroelectric power ...
Jackellynne Fernanda Farias Fernandes   +4 more
doaj   +2 more sources

Stress in Pimelodus maculatus (Siluriformes: Pimelodidae) at different densities and times in a simulated transport [PDF]

open access: yesZoologia (Curitiba), 2014
The transportation of live fish is a routine procedure in aquaculture, and includes a series of stressful stimuli such as an increase in the stocking density of specimens per volume of water, and abrupt changes in water quality.
Neiva Braun   +1 more
doaj   +3 more sources

Growth of Pimelodus maculatus (Actinopterygii, Pimelodidae) in cages at different stocking densities [PDF]

open access: yesBiotemas, 2009
This study aimed to evaluate the influence of densities 8, 32, 56 and 80 fish/m3 on the productive performance of Pimelodus maculatus in 1m3 cages installed in 0.19ha earthen ponds without water renewal, located on private property in Santo Amaro da ...
Saula Corrêa Afonso de Almeida   +1 more
doaj   +1 more source

DESENVOLVIMENTO EMBRIONÁRIO E ESTÁGIOS LARVAIS DO MANDI-AMARELO Pimelodus maculatus

open access: yesBoletim do Instituto de Pesca, 2018
O conhecimento dos estágios iniciais do desenvolvimento embrionário de peixes é de extrema importí­¢ncia para o estudo de espécies nativas com potencial para a piscicultura.
Ronald Kennedy LUZ   +3 more
doaj   +1 more source

Pimelodus maculatus Lacepede 1803

open access: yes, 2023
Published as part of Koerber, Stefan, Guimarães, Erick Cristofore, Brito, Pâmella Silva de, Oliveira, Rafael Ferreira de & Ottoni, Felipe Polivanov, 2023, CLOFFBR-MA - update 1 - supplement to Checklist of the freshwater fishes of Maranhão, Brazil., pp.
Koerber, Stefan   +4 more
openaire   +2 more sources

Mini DNA barcodes reveal the details of the foraging ecology of the largehead hairtail, Trichiurus lepturus (Scombriformes: Trichiuridae), from São Paulo, Brazil

open access: yesNeotropical Ichthyology, 2022
The largehead hairtail, Trichiurus lepturus, is an opportunistic, voracious, and piscivorous predator. Studies of fish feeding behavior based on the analysis of stomach contents are limited by the potential for the visual identification of the ingesta ...
Beatriz R. Boza   +5 more
doaj   +1 more source

Pimelodus maculatus Lacepede 1803

open access: yes, 2018
Pimelodus maculatus. The diploid number of this species was also 56 chromosomes (24 m + 20 sm + 6 st + 6 a) (Fig. 1c). The AgNORs were located in the terminal region of the long arm of a pair of subtelocentric chromosomes 23 (Fig. 1c, box). C-banding revealed the existence of pale heterochromatin in the region of the telomeres of some chromosomes, with
Girardi, Simone C.   +2 more
openaire   +4 more sources

DESCRIÇÃO DE Cucullanus patoi sp. n. (NEMATODA, CUCULLANIDAE) DE PINTADO Pimelodus maculatus LACÉPEDE, 1803 (PISCES), DO LAGO DO GUAÍBA, RS, BRASIL

open access: yesCiência Rural, 1992
Uma nova espécie de nematódeo, Cucullanus patoi sp. n. é descrita no intestino do pintado (Pimelodus maculatus) do Lago do Guaíba, RS.
Elinor Fortes   +2 more
doaj   +1 more source

Efeito de fatores abióticos na larvicultura de pintado amarelo Pimelodus maculatus (Lacépède, 1803): salinidade e cor de tanque - DOI: 10.4025/actascianimsci.v26i2.1859

open access: yesActa Scientiarum: Animal Sciences, 2008
Fatores abióticos podem determinar o sucesso na larvicultura de algumas espécies de peixes. A cor do tanque e salinidade da água de criação podem promover alterações no comportamento e na fisiologia das pós-larvas de peixes.
Marcos Weingartner, Evoy Zaniboni Filho
doaj   +1 more source

Qualitative and quantitative study of parasites of Pimelodus maculatus and Rhamdia quelen from the Jacaré-Pepira River, state of São Paulo, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2021
In the freshwater ecosystems of Brazil can be found high biodiversity of fish, about 5160 species. However, the Jacaré-Pepira River, located in the state of São Paulo, Brazil, presents a diversity of fish still to be explored in ichthyological studies ...
DÉBORA C. NEGRELLI   +3 more
doaj   +1 more source

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