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.
Maira Pombo +2 more
exaly +6 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 ...
Juliana Azevedo
exaly +6 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 +4 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
THE FIRST REPORT OF ABNORMAL AGE RINGS IN OTOLITHS LAPILLUS OF ARIIDS CATFISH
Boletim do Instituto de Pesca, 2021 The present work aimed to record the first presence of abnormal age rings in Cathorops spixii lapillus otoliths from Cananeia-Iguape Estuarine-Lagoon Complex (CIELC), Southern region of Brazilian coast. In August 2018, 59 specimens of C.
Igor Souza de MORAIS +1 more
doaj +3 more sources
Anais da Academia Brasileira de Ciências, 2023 The construction of a data bank concerning metal and metalloid content of bioindicator fish from coastal areas is very important as it can help environmental managers in decision making.
JULIANA S. AZEVEDO +3 more
doaj +1 more source
Brazilian Journal of Oceanography, 1990 Cellulose acetate electrophoresis of eye-lens proteins and Polyacrylamide flat gel electrophoresis of skeletic muscle proteins of six species of marine catfishes were carried out. Genetic polymorphism only occured at one locus of the electropherograms of
Hana Suzuki, Van Ngan Phan
doaj +1 more source