Results 11 to 20 of about 117 (89)
Caracterização macro- e microscópica dos ovários do bagre amarelo, Cathorops spixii (Agassiz, 1829), durante o ciclo reprodutivo Macro- and microscopic characterization of yellow-catfish Cathorops spixii (Agassis, 1829) ovaries during reproductive cycle [PDF]
Brazilian Journal of Oceanography, 1998 Este estudo é baseado na análise da anatomia macroscópica e da estrutura histológica de 452 ovários de fêmeas de Cathorops spixii coletadas nas Ilhas Pai Matos (região estuarino-lagunar de Cananéia-Iguape - 24°59'42"S 47°54'27"W), São Paulo, Brasil ...
Jodir Pereira da Silva +2 more
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Toxicon, 2012 Cathorops spixii is the most common venomous fish on the Brazilian coast. Apart from the involvement with defense against pathogens, the possible contribution of skin mucus components to the development of injuries caused by venomous fish species has not been investigated.
Ramos, Anderson Daniel +5 more
openaire +2 more sources
, 2005 Published as part of Ricardo Betancur-R. & Arturo Acero P., 2005, Description of Cathorops mapale, a new species of sea catfish (Siluriformes: Ariidae) from the Colombian Caribbean, based on morphological and mitochondrial evidence., pp.
Ricardo Betancur-R., Arturo Acero P.
openaire +5 more sources
Fish species caught by shrimp trawlers off the coast of Sergipe, in north-eastern Brazil, and their length–weight relations [PDF]
Acta Ichthyologica et Piscatoria, 2018 The objective of this study was to report all fish species caught by shrimp trawlers based in Pirambu, in the state of Sergipe, Brazil and estimate the length–weight relation (LWR) for the most abundant species in the samples. Four samples were
T.M.R.R. Barreto +5 more
doaj +3 more sources
, 2007 Cathorops spixii (Agassiz, 1829) Pimelodus spixii Agassiz in Spix & Agassiz, 1829: 19. Type locality: Equatorial Brazil. No types known. Pimelodus albidus Spix & Agassiz, 1829: 19, pl. 7 (fig. 1). Type locality: not stated. No types know. Distribution: Northeastern South America. Countries: Guyana, Surinam, French Guiana and Brazil. Habitat: Marine and
Alexandre P. Marceniuk +1 more
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Boletim do Instituto de Pesca, 2019 The myxosporidians of the genus Kudoa cause post mortem myoliquefaction in fishery products and may potentially transmit zoonoses. The present study describes the infection of the skeletal musculature by Kudoa sp.
João Lauro Figueiredo dos Santos +4 more
doaj +1 more source
Tissue-specific mercury concentrations in two catfish species from the Brazilian coast
Brazilian Journal of Oceanography, 2012 Some regions of Brazil have particularly high levels of mercury (Hg) emissions due to industrial activities, and their fish species may therefore suffer high levels of contamination through bioaccumulation. In this paper we assess Hg contamination in the
Juliana de Souza Azevedo +3 more
doaj +1 more source
Acta Scientiarum: Biological Sciences, 2008 Este estudo descreve o tamanho relativo e a estrutura etária dos peixes cienídeos Macrodon ancylodon, Stellifer rastrifer e Stellifer naso, o ariídeo Cathorops spixii e o aspredinídeo Aspredo aspredo para o estuário do rio Caeté.
Maurício Camargo-Zorro +1 more
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Shore-based competitive recreational fisheries in southern Bahia, Brazil: a baseline study
Marine and Fishery Sciences, 2020 This study describes shore-based competitive fishing events in Ilhéus, southern Bahia (Brazil), including catch composition, and provides information on the profile of recreational fishers participating in these events.
Kátia Meirelles Felizola Freire +2 more
doaj +1 more source
Ecotoxicology and Environmental Safety, 2013 In order to understand environmental health by the use of a bioindicator species in estuaries, biochemical responses observed in the catfish Cathorops spixii such as catalase (CAT), glutathione-S-transferase (GST), lipid peroxidation (LPO) and acetylcholinesterase (AChE) were evaluated in liver and muscle.
J S, Azevedo +3 more
openaire +2 more sources