Acta Scientiarum: Biological Sciences, 2007 O objetivo deste estudo foi analisar a morfometria dos ovos dos híbridos sob estereomicroscópio. Foi realizada a reprodução induzida em exemplares de fêmeas de pintado (P. corruscans) e de machos de cachara (P.
Francine Faustino +4 more
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Assessing the population structure of Plagioscion squamosissimus (Teleostei, Perciformes, Sciaenidae) from the São Francisco River, Bahia, Brazil, using body morphology and otolith shape signatures. [PDF]
J Fish BiolAbstract The south American silver croaker, Plagioscion squamosissimus, holds significant importance for the artisanal fisheries in the sub‐middle and lower courses of the São Francisco River, located in northeastern Brazil. To investigate the population structure of this species along its longitudinal profile, a total of 150 individuals (50 fish per ...
Freitas FL +4 more
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A Synthesis of the Ecology and Conservation of Pseudoplatystoma Catfishes in the Neotropics
Fishes, 2023 Species of the genus Pseudoplatystoma, the long-whiskered catfishes, are important in commercial and recreational fisheries in South America, and some species have become key to regional aquaculture.
Luciana A. Pereira +4 more
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Hydrological Connectivity Enhances Fish Biodiversity in Amazonian Mining Ponds: Insights From eDNA and Traditional Sampling. [PDF]
Mol EcolABSTRACT Artisanal and small‐scale gold mining (ASGM) expansion in the Madre de Dios region of the Peruvian Amazon has transformed primary forests into a novel wetland complex of thousands of abandoned mining ponds. Despite their ecological relevance, post‐mining recovery of these systems remains understudied, particularly regarding fish biodiversity ...
Timana-Mendoza C +7 more
europepmc +2 more sources
Machine learning models accurately predict clades of proteocephalidean tapeworms (Onchoproteocephalidea) based on host and biogeographical data. [PDF]
CladisticsAbstract Proteocephalids are a cosmopolitan and diverse group of tapeworms (Cestoda) that have colonized vertebrate hosts in freshwater and terrestrial environments. Despite the ubiquity of the group, key macroevolutionary processes that have driven the group's evolution have yet to be identified.
Vieira Alves P +7 more
europepmc +2 more sources
Dimethyl acetamide and dimethyl sulfoxide associated at glucose and egg yolk for cryopreservation of Pseudoplatystoma corruscans semen [PDF]
Neotropical Ichthyology, 2023 This study aimed to develop a protocol for the cryopreservation of Pseudoplatystoma corruscans semen. For this, mature males were hormonally induced with a single dose of carp pituitary extract (5 mg/kg body weight).
Johanna Maritza Cano Velarde +6 more
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Host-parasite relationship during Epistylis sp. (Ciliophora: Epistylididae) infestation in farmed cichlid and pimelodid fish [PDF]
Pesquisa Agropecuária Brasileira, 2016 : The objective of this work was to describe the host-Epistylis sp. relationship during infestation on farmed fish. Five Nile tilapia (Oreochromis niloticus) and ten hybrid surubim catfish (Pseudoplatystoma reticulatum x P.
Santiago Benites de Pádua +6 more
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Journal of Limnology, 2023 The trophic discrimination factor (TDF) is a key parameter for stable isotope analysis and due to a lack of species-specific TDFs, mean universal values have been used, resulting in uncertainties about the trophic position of species and a call for more
Gislaine Iachstel Manetta +5 more
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A case of intersex occurrence in Steindachneridion parahybae (Steindachner, 1877) (Siluriformes: Pimelodidae) under captivity condition: A cytogenetic and morphological study [PDF]
, 2016 Poco se sabe sobre la biología reproductiva de Steindachneridion parahybae , una especie de teleósteo gonocorístico en peligro de extinción que habita la cuenca del río Paraíba do Sul y en éste trabajo se describe por primera vez la aparición de ...
Caneppele, Danilo +4 more
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Memorias do Instituto Oswaldo Cruz, 1992 It is described Megathylacus travassosi sp. n., parasite of Pseudoplatystoma corrusccans (Agassiz,1829), a pimelodid fish caught in Itaipu reservoir and Paraná river, Brazil.
Gilberto Cezar Pavanelli +1 more
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