Results 141 to 150 of about 258 (155)
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Metabolic and Behavior Changes in Surubim Acutely Exposed to a Glyphosate-Based Herbicide
Archives of Environmental Contamination and Toxicology, 2014This study examined the effect of glyphosate-based herbicide (Roundup Original), the major herbicide used in soybean crops in Mato Grosso state, at concentrations of 0, 2.25, 4.5, 7.5, and 15 mg L(-1) on metabolic and behavior parameters of the hybrid fish surubim in an acute exposure lasting 96 h. Glycogen content, glucose, lactate, and protein levels
Sinhorin, Valeria D. G. +8 more
openaire +3 more sources
Journal of Fish Biology, 2020
AbstractThe spotted surubim Pseudoplatystoma corruscans is a large migratory catfish native to the La Plata and San Francisco basins. Nonetheless, its reproductive dynamics and behaviour remain poorly understood. This brief note provides the first record of the mating behaviour of P. corruscans in natural conditions.
Lucas A. Pachla +5 more
openaire +2 more sources
AbstractThe spotted surubim Pseudoplatystoma corruscans is a large migratory catfish native to the La Plata and San Francisco basins. Nonetheless, its reproductive dynamics and behaviour remain poorly understood. This brief note provides the first record of the mating behaviour of P. corruscans in natural conditions.
Lucas A. Pachla +5 more
openaire +2 more sources
Journal of Applied Ichthyology, 2019
In the species Pseudoplatystoma fasciatum the males are smaller than females. Thus, the objective of this study was to describe the process of testicular differentiation and provide tools for sex manipulation techniques aimed at improving the productivity of farming of sexually‐reversed females.
Fernanda N. Valentin +8 more
openaire +2 more sources
In the species Pseudoplatystoma fasciatum the males are smaller than females. Thus, the objective of this study was to describe the process of testicular differentiation and provide tools for sex manipulation techniques aimed at improving the productivity of farming of sexually‐reversed females.
Fernanda N. Valentin +8 more
openaire +2 more sources
Environmental Biology of Fishes, 2006
Surubim, Pseudoplatystoma corruscans, is the most valuable commercial and recreational fish in the Sao Francisco River, but little is known about adult migration and spawning. Movements of 24 females (9.5–29.0 kg), which were radio-tagged just downstream of Tres Marias Dam (TMD) at river kilometer 2,109 and at Pirapora Rapids (PR) 129 km downstream of ...
Alexandre L. Godinho +2 more
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Surubim, Pseudoplatystoma corruscans, is the most valuable commercial and recreational fish in the Sao Francisco River, but little is known about adult migration and spawning. Movements of 24 females (9.5–29.0 kg), which were radio-tagged just downstream of Tres Marias Dam (TMD) at river kilometer 2,109 and at Pirapora Rapids (PR) 129 km downstream of ...
Alexandre L. Godinho +2 more
openaire +1 more source
Cryo letters, 2021
The gray catfish known as Surubim-do-Paraíba (Steindachneridion parahybae), which is endemic to the Paraíba do Sul river basin, is on the red list of Brazilian fauna threatened with extinction and the cryopreservation of germ cells of this fish is needed in support of conservation.We aimed to assess the effect of storage temperature on S.
T S, Lopes, E, Romagosa
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The gray catfish known as Surubim-do-Paraíba (Steindachneridion parahybae), which is endemic to the Paraíba do Sul river basin, is on the red list of Brazilian fauna threatened with extinction and the cryopreservation of germ cells of this fish is needed in support of conservation.We aimed to assess the effect of storage temperature on S.
T S, Lopes, E, Romagosa
openaire +1 more source