Estimation of growth parameters of five fish species (Actinopterygii) caught in the central Amazon [PDF]
Acta Ichthyologica et Piscatoria, 2018 For some tropical fishes, the information on growth parameters is still scarce, and few or no records are available in FishBase. Therefore, the objective of this study was to estimate the growth curves for Brycon amazonicus (Spix et Agassiz, 1829 ...
A. Guerreiro +3 more
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Comparative cytogenetics of Serrasalmidae (Teleostei: Characiformes): The relationship between chromosomal evolution and molecular phylogenies. [PDF]
PLoS One, 2021 Serrasalmidae has high morphological and chromosomal diversity. Based on molecular hypotheses, the family is currently divided into two subfamilies, Colossomatinae and Serrasalminae, with Serrasalminae composed of two tribes: Myleini (comprising most of pacus species) and Serrasalmini (represented byMetynnis,Catoprion, and remaining piranha’s genera ...
Favarato RM +6 more
europepmc +6 more sources
Behavior of Rio Sao Francisco Piranhas in Response to Changes in Space and Density. [PDF]
Zoo BiolABSTRACT Previous observations of Rio Sao Francisco piranhas (Pygocentrus piraya) at Cleveland Metroparks Zoo revealed frequent aggressive interactions, which were associated with the injury and death of some individuals. Fishes are known to increase aggressive behavior when available space is limited.
Oldfield RG +4 more
europepmc +2 more sources
Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance. [PDF]
Food Sci NutrEven though histamine plays an important role in human health, it has been associated with food intoxication and intolerance episodes. The most relevant, current state of knowledge regarding histamine's biochemical and health aspects is provided. Histamine levels are provided for 17 food groups, including 335 food types and 11,437 samples, allowing ...
Gloria MBA +7 more
europepmc +2 more sources
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
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Ergasilus yumaricussp. n. (COPEPODA: ERGASILIDAE) DAS BRÂNQUIAS DE Pygocentrus nattereri (KNER, 1860), Serrasalmus rhombeus (LINNAEUS, 1819) E Pristobrycon eigenmanni (NORMAN, 1929) (CHARACIFORMES : SERRASALMIDAE) DA AMAZÔNIA BRASILEIRA [PDF]
Acta Amazonica, 1995 Ergasilus yumaricussp. n. (Copepoda, Poecilostomatoida, Ergasilidae) é proposta. Os espécimens foram coletados dos filamentos branquiais de Pygocentrus nattereri, Serrasalmus rhombeuse Pristobrycon eigenmannido Rio Guaporé próximo à Pimenteiras, rios ...
José Celso O. MALTA, Angela Μ. VARELLA
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Ocorrência de dois citotipos em Serrasalmus spilopleura Kner, 1858 (characiformes, serrasalmidae) da região de confluência dos Rios Negro e Solimões, Amazonas, Brasil [PDF]
Acta Amazonica, 2000 Descreve-se pela primeira vez o cariótipo de exemplares de S. spilopleura da Amazônia Central. Todos os indivíduos analisados apresentaram número diplóide igual a 60 cromossomos, em conformidade com os dados da espécie obtidos em indivíduos da bacia do ...
Celeste Mutuko NAKAYAMA +2 more
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A typical enzyme activity for glutathione conjugation indicates exposure of pacu to pollutants
Neotropical Ichthyology, 2022 Functional enzyme assays to detect sublethal poisoning of Neotropical fish are paramount. Accordingly, we assayed a glutathione S-transferase (GST) activity in liver and kidney cytosols from Piaractus mesopotamicus injected with methyl parathion or benzo[
Frederico F. Bastos +4 more
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Acta Scientiarum: Biological Sciences, 2020 In their natural habitat, fish are constantly threatened by icthyoparasites, notably those from the Phylum Cnidaria, Hatschek, 1888, represented by species of the Myxozoa, responsible for infections in fish that cause complications to their health that ...
Jhonata Eduard Farias de Oliveira +6 more
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Neotropical Monogenoidea. 44. Mymarothecium viatorum sp. n. (Ancyrocephalinae) from the gills of Piaractus brachypomus (Serrasalmidae, Teleostei) captured in a warm-water canal of a power plant in Szczecin, Poland [PDF]
Acta Ichthyologica et Piscatoria, 2002 Mymarothecium viatorum sp. n. (Dactylogyridae, Ancyrocephalinae) is described from the gills of Piaractus brachypomus (Teleostei, Serrasalmidae) captured in the warm water canal of a power plant of the city of Szczecin, Poland.
W.A. Boeger, W. Piasecki, E. Sobecka
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