Population Dynamics and Diet of the Madamango Sea Catfish Cathorops spixii (Agassiz, 1829) (Siluriformes: Ariidae) in a Tropical Bight in Southeastern Brazil [PDF]
PLoS ONE, 2013 The madamango sea catfish, Cathorops spixii (Siluriformes: Ariidae), is often among the most abundant fishes on the South American Atlantic coast.
Marcia R Denadai +2 more
exaly +7 more sources
Nuclear abnormalities in erythrocytes and morphometric indexes in the catfish Cathorops spixii (Ariidae) from different sites on the southeastern Brazilian coast [PDF]
Brazilian Journal of Oceanography, 2012 Nuclear abnormalities in erythrocytes (NAE) were taken as biomarkers in the catfish Cathorops spixii (Ariidae) sampled in an estuary little affected by human activity (Cananéia) and in three regions (Santos Channel: SC, Santos Bay: SB and São Vicente ...
Ciro Alberto de Oliveira Ribeiro
exaly +7 more sources
Lapillus otoliths of the Cathorops spixii (Spix & Agassiz, 1829) and Genidens genidens (Cuvier, 1829) (Actinopterygii - Ariidae) [PDF]
Acta Scientiarum: Biological Sciences, 2014 The aim of this study was to analyze the morphology and morphometry of lapillus otoliths of the catfishes Cathorops spixii and Genidens genidens from the coast of Paraná State, Brazil. We used 147 lapillus from C. spixii and 96 from G.
Barbara Maichak de Carvalho +2 more
doaj +7 more sources
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
doaj +7 more sources
Marine catfishes (Ariidae—Siluriformes) from the Coastal Amazon: mitochondrial DNA barcode for a recent diversification group? [PDF]
PeerJBackground Ariidae species play a significant role as fishing resources in the Amazon region. However, the family’s systematic classification is notably challenging, particularly regarding species delimitation within certain genera.
Ítalo Lutz +9 more
doaj +3 more sources
Ocular Morphology and Clinical Ophthalmic Parameters of Nile Tilapia Oreochromis niloticus. [PDF]
Vet OphthalmolABSTRACT Objective To describe the ocular morphological characteristics and establish clinical and ophthalmic reference standards for Nile tilapia. Animals Studied Fresh carcasses were used for diaphanization, optical and electron microscopy, and computed tomography analyses.
da Silva DFF +12 more
europepmc +2 more sources
Contamination and oxidative stress biomarkers in estuarine fish following a mine tailing disaster [PDF]
PeerJ, 2020 Background The Rio Doce estuary, in Brazil, was impacted by the deposition of iron mine tailings, caused by the collapse of a dam in 2015. Based on published baseline datasets, the estuary has been experiencing chronic trace metal contamination effects ...
Fabrício Â. Gabriel +9 more
doaj +3 more sources
A comprehensive overview of fish envenomation and venom toxicity in Brazil [PDF]
Journal of Venomous Animals and Toxins including Tropical DiseasesBackground: Brazilian waters are home to various venomous fish species, each with its unique venom composition. Although common, envenomation cases are largely underreported, leading to a lack of public health policies for prevention and treatment. Some
Mônica Lopes-Ferreira +12 more
doaj +2 more sources
Revista Brasileira De Zoologia, 2002 Gills of the seawater fish Cathorops spixii (Agassiz, 1829) were submitted to routine processing for observation in scanning and transmission electron microscopy. The wrinkled surface of the gill filaments showed well-defined cellular ultrastructures.
Eiras-Stofella, Daura R. +1 more
exaly +4 more sources
Reprodução do bagre amarelo, Cathorops spixii (Agassiz) (Siluriformes, Ariidae), da Baía de Pinheiros, região estuarina do litoral do Paraná, Brasil [PDF]
Revista Brasileira De Zoologia, 2005 O presente estudo investigou a biologia reprodutiva do bagre amarelo Cathorops spixii (Agassiz, 1829) na Baía de Pinheiros, litoral do Paraná, Brasil. Os peixes foram coletados mensalmente no período de junho de 2003 a maio de 2004, com rede de arrasto de fundo.
Luis Fernando Favaro +2 more
exaly +4 more sources