Results 51 to 60 of about 695 (139)

Distribuição e estratégia reprodutiva de duas espécies de bagres (Siluriformes, Ariidae) em um estuário do Sudeste do Brasil, Atlântico Oeste Tropical [PDF]

open access: yes, 2016
Os ecossistemas estuarinos representam ambientes únicos e de suma importância para reprodução e desenvolvimento de várias espécies, dentre elas, os bagres marinhos da Família Ariidae, que despertaram um grande interesse pela sua abundância e importância ...
SCIARRETTA, T. R.
core  

Analysis of the 90º and 150º angles for increment counting in otoliths of estuarine catfish

open access: yesOcean and Coastal Research
Fish age can be estimated with the use of age rings in calcified structures, such as otoliths. However, it is important to select an appropriate axis for counting the number of increments and to confirm that the age rings are visible in the otolith and ...
Igor Souza de Morais   +1 more
doaj   +2 more sources

Capture fishery in northern Todos os Santos Bay, tropical southwestern Atlantic, Brazil [PDF]

open access: yes, 2011
Information on marine and estuarine capture fishery activity in northern Todos os Santos Bay, northeastern Brazil, based on daily data collected between September 2003 and June 2005 is presented.
GIANNINI, Roberto   +3 more
core   +3 more sources

A pesca praticada em cevas de tainha (Mugilidade Teleostei) na extremidade oeste da Baía de Guaratuba, Paraná, Brasil. [PDF]

open access: yes, 2011
Resumo: O trabalho descreve a pesca praticada em cevas na região oeste da Baía de Guaratuba, Paraná. É uma modalidade amadora e recreativa, que difere de métodos convencionais para captura de tainhas no litoral paranaense.
Zanlorenzi, Diego
core   +1 more source

Morphometric analysis of lapillus otoliths in two estuarine bioindicator catfish (Siluriformes, Ariidae) from a marine protected area in Brazil

open access: yesOcean and Coastal Research
Some fish species can be used as target species and bioindicators of environmental disturbances. In this context, biological indicators such as the length, weight, and height of lapillus otoliths of the ariid species Cathorops spixii and Genidens ...
Igor Morais   +2 more
doaj   +2 more sources

Fish otoliths from the Cantaure Formation (Early Miocene of Venezuela) [PDF]

open access: yes, 1998
The otolith study reveals the presence of 61 taxa of teleosteans in the Early Miocene Cantaure Formation, among which five are new species: Aplodinotus longecaudata, A. hoffmani, Equetus davidandrewi, Larimus henrici and L. steurbauti.
Aguilera, O., Nolf, D.
core  

Effective Pre-Clinical Treatment of Fish Envenoming with Polyclonal Antiserum. [PDF]

open access: yesInt J Mol Sci, 2023
Lopes Ferreira M   +6 more
europepmc   +1 more source

Electrophoretic study on intraspecific variations and interspecific relationships of marine catfishes (Siluriformes, Ariidae) of Cananéia (São Paulo, Brazil): 2. Isozymes of skeletic muscle [PDF]

open access: yes, 1990
Ten enzymatic systems of skeletic muscle of four species of marine catfishes were analysed by Polyacrylamide flat gel electrophoresis. Out of 17 loci examined, six were polymorphic.
Phan, Van Ngan, Suzuki, Hana
core   +4 more sources

Macro- and microscopic characterization of yellow-catfish Cathorops spixii (Agassis, 1829) ovaries during reproductive cycle

open access: yes, 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. Foram consideradas seis fases de desenvolvimento ovocitário, com base nas características citológicas ...
Silva, Jodir Pereira da   +2 more
openaire   +1 more source

DNA barcode reveals occurrence of threatened species and hidden diversity on Teleost fish trade in the Coastal Amazon. [PDF]

open access: yesSci Rep, 2023
Santana P   +10 more
europepmc   +1 more source

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