Results 31 to 40 of about 155 (141)

Description of laboratory reared first zoea of Callinectes danae Smith (Crustacea, Decapoda, Portunidae) [PDF]

open access: yesRevista Brasileira de Zoologia, 1999
A detailed description of laboratory reared first zoea larva of Callinectes danae Smith, 1869 is given. The larvae utilized for this study were reared in vitro in a special incubator. A comparison with larvae of other species is also attempted.
Sankarankutty, Cheruparambil   +2 more
openaire   +3 more sources

Distribution and Population Structure of Callinectes danae (Decapoda: Portunidae) in a Tropical Brazilian Estuary [PDF]

open access: yesJournal of Crustacean Biology, 2010
The portunid crab Callinectes danae is abundant in Brazilian estuaries and coastal areas and is an important item to artisanal fisheries. This study investigated the distribution and population structure by sex and size, the size at sexual maturity, and sex-ratio of the species in Vitoria Bay, Espirito Santo, southeastern Brazil.
Roberto Sforza   +2 more
openaire   +1 more source

Decapod abundance and species richness in the bycatch of Xiphopenaeus kroyeri (Heller, 1862) fishery, Santa Catarina, southern Brazil

open access: yesNauplius, 2019
We aimed to analyze the crustacean bycatch from the Xiphopenaeus kroyeri fishery in the Santa Catarina State and compare the bycatch’s biomass to that of the target species.
Gilson Stanski   +4 more
doaj   +1 more source

Trophic Ecology of Loggerhead Turtles (Caretta caretta) in Southern Brazil: Insights From Stable Isotopes

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.
ABSTRACT This study aimed to investigate the trophic ecology of loggerhead turtles recorded stranded along the Paraná coast in southern Brazil. Carbon and nitrogen stable isotopes were analysed in muscle tissues from 20 loggerhead turtles and in 69 specimens representing 12 prey species (molluscs, crustaceans and teleost fishes).
Gleici Montanini   +7 more
wiley   +1 more source

Effects of Prawn Shell Meal Diets on Hemocyte Count, Hemolymph Clotting, and Sperm Quality of the Freshwater Prawn Macrobrachium caementarius

open access: yesAquaculture Research, Volume 2026, Issue 1, 2026.
Crustacean shells are composed of chitin, which is bound to protein and minerals, along with other essential nutrients. These components are necessary for growth, immune response, the formation of reproductive structures, and the enhancement of sperm quality.
Walter Reyes-Avalos   +5 more
wiley   +1 more source

LEVANTAMENTO DA FAMÍLIA PORTUNIDAE (CRUSTACEA, DECAPODA,BRACHYURA) NO COMPLEXO BAÍA-ESTUÁ RIO DE SANTOS, SÃO PAULO, BRASIL

open access: yesBoletim do Instituto de Pesca, 2018
Entre 1979 e 1983, em levantamento da famí­­lia Portunidae no Complexo Baia-Estuário de Santos, identificaram-se as seguintes espécies: Callinectes bocourti, Callinectes danae, Callinectes exasperatus e Callinectes sapidus, ocorrendo no estuário e na ...
José Benevide PITA   +3 more
doaj  

Crescimento de Callinectes danae Smith (Decapoda, Portunidae) da Lagoa da Conceição, Florianópolis, Santa Catarina, Brasil [PDF]

open access: yesRevista Brasileira de Zoologia, 1992
Studies on the growth of the blue crab C. danae were carried out by the analysis of size-frequency distributions, and the growth curves were determined for both sexes through Bertalanffy equation. 613 males and 511 females were obtained from 10 collecting sites of the lagoon, at night, monthly from January/88 to July/89.
Branco, Joaquim Olinto, Masunari, Setuko
openaire   +3 more sources

Diversidade e biologia de espécies de Portunidae (Decapoda, Brachyura) no estuário de Iguape, Ilha Comprida e Cananéia, São Paulo, Brasil

open access: yesBoletim do Instituto de Pesca, 2018
Siris da famí­­lia Portunidae são comuns em áreas costeiras de regiões tropicais e subtropicais, em fundos de lama e areia, e exercem papel importante nas relações tróficas das comunidades bentônicas que, por sua vez, influenciam seus padrões de ...
Evandro SEVERINO-RODRIGUES   +4 more
doaj  

Distribuição e ecologia dos decapoda numa área estuarina de Ubatuba (SP)

open access: yesBrazilian Journal of Oceanography, 1980
Benthic macro fauna (Decapoda) was sampled by beam trawl at 6 stations in Bay of Fortaleza and adjacents Escuro e Claro rivers (São Paulo, Ubatuba, Brasil). Samples were taken monthly during 1973-1974.
Jorge de Abreu
doaj   +1 more source

Solução perfusora para Callinectes Danae Smith (Crustacea - Decapoda)

open access: yesBoletins da Faculdade de Philosophia, Sciencias e Letras, Universidade de São Paulo. Zoologia, 1944
O estudo comparativo das soluções preconisadas na perfusão cardíaca de crustáceos marinhos conduz aos seguintes resultados: 1º - a solução perfusora elaborada na base da concentração mineral do sangue total de Callinectes danae não ocasiona alterações no rítmo nem da freqüência dos batimentos cardíacos dêste Decápodo.
openaire   +1 more source

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