2006
DOI: 10.1590/s0101-81752006000300030
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Reappearance and seasonality of Phyllorhiza punctata von Lendenfeld (Cnidaria, Scyphozoa, Rhizostomeae) medusae in southern Brazil

Abstract: ABSTRACT. The scyphozoan Phyllorhiza punctata von Lendenfeld, 1884 (Mastigiidae), known only from IndoPacific waters prior to the 1950s, is today found far from its original distribution, probably due to human activities. First seen in 1955 in Brazilian waters, medusae were found in southern and southeastern coasts, disappearing (at least as a medusa) in the early 1960's. Another population was found in the late 1990's, in the state of Bahia, and again in late 2001, many sightings were reported along the coast… Show more

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Cited by 25 publications
(14 citation statements)
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“…However, the possibility of repeated detection persists due to potential establishment by cryptic polyps or successive invasions, as is likely with Phyllorhiza sp. in the South Brazil Shelf LME (Haddad & Nogueira, 2006). The possibility also exists that invasive species of jellyfish could cause a reduction in native jellyfish biomass.…”
Section: Invasive Speciesmentioning
confidence: 99%
“…However, the possibility of repeated detection persists due to potential establishment by cryptic polyps or successive invasions, as is likely with Phyllorhiza sp. in the South Brazil Shelf LME (Haddad & Nogueira, 2006). The possibility also exists that invasive species of jellyfish could cause a reduction in native jellyfish biomass.…”
Section: Invasive Speciesmentioning
confidence: 99%
“…ELEFAN, the Wetherall plot, and the direct nonlinear fitting of the VBGF all assume that shrinkage García & Durbin (1993), García (1990), and Haddad & Noqueira (2006) Here, a and b refer to the y-intercept and the slope of log transformed length weight relationship of the form W = aL b , respectively, while N refers to the number of individuals considered in the regression analyses, and r is the square of the regression's coefficient of determination. Values of the length-weight relationship coefficient a with * were adjusted to weight in grams and bell diameter in cm.…”
Section: Growth Parameter Estimationmentioning
confidence: 99%
“…As part of an ongoing study of the jellyfish of southern Brazil (HADDAD & NOGUEIRA JR 2006, NOGUEIRA JR & HADDAD 2006a, NAGATA et al 2009), we have identified the dominant species in the North Bay and estimated their seasonal distribution and abundance in 2005, based on bottom trawl samples. Currently, unprecedented population explosions are being recorded worldwide (e.g.…”
mentioning
confidence: 99%