Results 21 to 30 of about 314 (167)

A new helminth parasite of fish: Spirocamallanus freitasi sp. n. (Nematoda - Camallanidae)

open access: yesMemorias do Instituto Oswaldo Cruz, 1991
A new species of nematode is described, Spirocamallanus freitasi sp. n. The worms were collected from fishes (Bergiaria westermanni, Pimelodus maculatus and Pimelodus sp.) living in Três Marias Dam (São Francisco River) in the State of Minas Gerais ...
Narcisa Imaculada Brant Moreira   +2 more
doaj   +1 more source

Predicted impacts of proposed hydroelectric facilities on fish migration routes upstream from the Pantanal wetland (Brazil)

open access: yesRiver Research and Applications, Volume 36, Issue 3, Page 452-464, March 2020., 2020
Abstract There are 104 hydroelectric facilities proposed to be installed in the watersheds that feed the Pantanal, a vast floodplain wetland located mostly in Brazil. The Pantanal is host to 23 long‐distance migratory fish species that ascend upland tributaries to spawn.
Marcel Medinas de Campos   +5 more
wiley   +1 more source

Analysis of genetic variability in three species of Pimelodidae (Ostariophysi - Siluriformes)

open access: yesGenetics and Molecular Biology, 1998
Genetic variability of three Pimelodidae species, Pimelodus maculatus, Iheringichthys labrosus, and Pinirampus pirinampu, collected at one site in the Tibagi River, was comparatively analyzed using protein data for six systems which code 15 loci in liver,
Fernanda S. de Almeida, Leda M.K. Sodré
doaj   +1 more source

Benefits of Adding Virginiamycin to Arapaima gigas (Schinz, 1822) Diet Cultivated in the Brazilian Amazon

open access: yesScientifica, Volume 2020, Issue 1, 2020., 2020
The aim of this study was to evaluate the physiological, zootechnical, and environmental benefits of the use of growth‐promoting virginiamycin in the pirarucu diet. The research was conducted at the Carlos Eduardo Matiazze Fish Center, Federal University of Rondônia.
Jucilene Cavali   +9 more
wiley   +1 more source

Tailwater fish of a Brazilian dam: abundance estimation and protection from turbine-induced mortality [PDF]

open access: yesActa Limnologica Brasiliensia
: Aim To determine for Pimelodus maculatus, the fish most affected by the operation and maintenance (O&M) of the Amador Aguiar II Hydropower Dam, Araguari River, Brazil, (i) the most suitable fishing gear for its sampling, (ii) the seasonal variation in
Ana Carolina Lacerda Rêgo   +2 more
doaj   +1 more source

Bait efficiency to monitor mandi (Pimelodus maculatus) in the tailrace of hydropower dams, Southeast Brazil [PDF]

open access: yesActa Limnologica Brasiliensia, 2021
Abstract: Aim This study compared the efficiency of two baits (earthworm and cow heart) for monitoring the abundance of mandi catfish (Pimelodus maculatus) in the tailrace of hydropower dams, one of the commonly killed fish in turbine procedures.
Alexandre Peressin   +2 more
openaire   +2 more sources

Utilização de diferentes dietas na primeira alimentação do mandi-amarelo (Pimelodus maculatus, Lacépéde)

open access: yesActa Scientiarum: Biological Sciences, 2008
Um dos maiores problemas enfrentados na larvicultura de espécies nativas está relacionado à primeira alimentação e à ocorrência de canibalismo para algumas espécies desde o início da vida.
Ronald Kennedy Luz, Evoy Zaniboni-Filho
doaj   +1 more source

Metazoan parasites of Mandi-amarelo Pimelodus maculatus and of Jundiá Rhamdia quelen (Osteichthyes: Siluriformes) of Paraíba do Sul River, Volta Redonda, Rio de Janeiro Metazoários parasitos do Mandi-amarelo Pimelodus maculatus e do Jundiá Rhamdia quelen(Osteichthyes: Siluriformes) do Rio Paraíba do Sul, Volta Redonda, Rio de Janeiro

open access: yesRevista Brasileira de Parasitologia Veterinária, 2010
Forty-one specimens of mandi-amarelo Pimelodus maculatus Lacépède, 1803 (Siluriformes: Pimelodidae) and 54 specimens of jundiá Rhamdia quelen (Quoy & Gaimard, 1824) (Siluriformes: Heptapteridae) were collected from the Paraíba do Sul River, Volta Redonda,
Aline Cristine Pinto Venancio   +3 more
doaj   +1 more source

Contributions to the systematic of Pimelodidae (Osteichthyes, Siluriformes): basic and molecular cytogenetics on seven species of Pimelodus from three Brazilian hydrographic systems

open access: yesNeotropical Ichthyology, 2018
Pimelodidae harbors several species and is widely distributed throughout the Neotropical region. Pimelodus is the genus with the largest number of species, however it is a polyphyletic group.
Simone C. Girardi   +2 more
doaj   +1 more source

Cytogenetical analyses in three fish species of the genus Pimelodus(Siluriformes: Pimelodidae) from rio São Francisco: considerations about the karyotypical evolution in the genus

open access: yesNeotropical Ichthyology
Karyotypes and other chromosomal markers were investigated in three species of the catfish genus Pimelodus, namely P. fur, P. maculatus and Pimelodus sp., from municipality of Três Marias, Minas Gerais, Brazil, using differential staining techniques (C ...
Caroline Garcia, Orlando Moreira Filho
doaj   +1 more source

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