olindias sambaquiensis
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Toxicon ◽  
2021 ◽  
Author(s):  
Thais Cavenatti Bueno ◽  
Rita de Cássia Collaço ◽  
Bianca Aparecida Cardoso ◽  
Rafael Fumachi Bredariol ◽  
Marília Leal Escobar ◽  
...  

2019 ◽  
Vol 237 (1) ◽  
pp. 26-35 ◽  
Author(s):  
Liam B. Doonan ◽  
Steven Lynham ◽  
Catherine Quinlan ◽  
Spike C. Ibiji ◽  
Carlos E. Winter ◽  
...  

Toxicon ◽  
2016 ◽  
Vol 119 ◽  
pp. 1-7 ◽  
Author(s):  
Paloma S. Knittel ◽  
Paul F. Long ◽  
Lucas Brammall ◽  
Antonio C. Marques ◽  
Michelle T. Almeida ◽  
...  

2016 ◽  
Vol 64 (2) ◽  
pp. 127-136 ◽  
Author(s):  
Fabiana Figueredo Molin De Barba ◽  
Carla Camila Bazi ◽  
Marcos Luiz Pessatti ◽  
Charrid Resgalla Jr

Abstract The objectives of this study were to record the macromedusae species on the north coast of Santa Catarina, and to estimate their population dynamics and variations in their biochemical composition, based on the specimens obtained in the by-catch of artisanal shrimp fishing between January 2012 and October 2014. Cohort analysis was performed to evaluate the population dynamic of the most frequent species. Biochemical analyses of the umbrellas were conducted on their water, carbohydrate, protein, lipid, ash and metals contents. Six species of macromedusae were found: Chiropsalmus quadrumanus and Tamoya haplonema (Cubozoa); Olindias sambaquiensis and Rhacostoma atlanticum (Hydrozoa), and Chrysaora lactea and Lychnorhiza lucerna (Scyphozoa). The species with the highest occurrence, and typical of the region, were Olindias sambaquiensis and Rhacostoma atlanticum. These species showed high inter-year variability, the highest densities being observed between autumn and winter 2014, associated with a less severe winter and coastal water with higher salinity. The distribution of size classes of O. sambaquiensis suggests two well-defined cohorts in spring/summer and in autumn/winter. R. atlanticum showed continuous reproduction and inter-year variation but a high value for protein content related to the reproductive peak in autumn. However, the Cubozoa species showed higher organic matter and metal content than the other classes.


Author(s):  
Vidal Junior ◽  
Fernando Zara ◽  
Sergio Marangoni ◽  
Daniela de Toyama ◽  
Alex Jardelino de Souza ◽  
...  

Toxicon ◽  
2013 ◽  
Vol 71 ◽  
pp. 11-17 ◽  
Author(s):  
Andrew J. Weston ◽  
Ray Chung ◽  
Walter C. Dunlap ◽  
André C. Morandini ◽  
Antonio C. Marques ◽  
...  

Author(s):  
Vidal Haddad Junior ◽  
Fábio Lang da Silveira ◽  
Álvaro Esteves Migotto

This work attempts to establish dermatological identification patterns for Brazilian cnidarian species and a probable correlation with envenoming severity. In an observational prospective study, one hundred and twenty-eight patients from the North Coast region of São Paulo State, Brazil were seen between 2002 and 2008. About 80% of these showed only local effects (erythema, edema, and pain) with small, less than 20 cm, oval or round skin marks and impressions from small tentacles. Approximately 20% of the victims had long, more than 20 cm, linear and crossed marks with frequent systemic phenomena, such as malaise, vomiting, dyspnea, and tachycardia. The former is compatible with the common hydromedusa from Southeast and Southern Brazil (Olindias sambaquiensis). The long linear marks with intense pain and systemic phenomena are compatible with envenoming by the box jellyfish Tamoya haplonema and Chiropsalmus quadrumanus and the hydrozoan Portuguese man-of-war (Physalis physalis). There was an association between skin marks and probable accident etiology. This simple observation rule can be indicative of severity, as the Cubozoa Class (box jellyfish) and Portuguese man-of-war cause the most severe accidents. In such cases, medical attention, including intensive care, is important, as the systemic manifestations can be associated with death.


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