Comparison of tentacle extracts from Chiropsalmus quadrigatus and Chironex fleckeri

Keen, T.E.B.

doi:10.1016/0041-0101(71)90077-8

Cited by 28 publications

(8 citation statements)

References 5 publications

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“…This maximum theoretical size compares favourably to maximum size of field-collected animals reported by Barnes (1966), Sutherland (1983), and Halstead et al (1990). In these cases, specimens may have been confused with C. fleckeri, which is morphologically very similar but grows significantly larger (Southcott, 1960;Barnes, 1965Barnes, , 1967Keen, 1971;Marsh et al, 1986;Fenner & Williamson, 1996). In these cases, specimens may have been confused with C. fleckeri, which is morphologically very similar but grows significantly larger (Southcott, 1960;Barnes, 1965Barnes, , 1967Keen, 1971;Marsh et al, 1986;Fenner & Williamson, 1996).…”

Section: Discussionmentioning

confidence: 99%

Growth and age determination of the tropical Australian cubozoan Chiropsalmus sp.

2004

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Chiropsalmus sp. medusae collected in this study ranged from 3 to 71 mm diagonal bell width and displayed growth best described by the following equation: size (mm) ¼ 74.9 · exp ()exp(0.041 (time since metamorphosis (day) )35.6674))). Growth rates of up to 7 mm week )1 increase in diagonal bell width are theoretically possible, with animals able to reach sexual maturity in approximately 70 days. Correlation of the number of rings on the statoliths with the predicted age of the individual from the field produced a relationship that indicates the growth rings are laid down daily and as such could be used to infer age of the medusae. Over the 1998-1999 season, there were four influxes of juvenile cohorts, each occurring approximately 14 days after a major rainfall event.

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Section: Discussionmentioning

confidence: 99%

Growth and age determination of the tropical Australian cubozoan Chiropsalmus sp.

2004

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“…Another CUbomedusa, Chiropsalmlts quadrigatlls, is dangerous to man but not to the degree exhibited by Chironex fleckai. The toxic components of this other box jellyfish appear similar to the sea wasp (Keen 1971) andBaxter and:\Jarr (1974) have shown that the toxins of this other species are neutralized by sea wasp antivenene. The antivenene does not neutralize the toxin of the Portuguese-:\lan-O-War (Physalia physalis), but fortunately, stings by the closely related Pacific species (Physalia utricalus) of this creature have not proved fatal in Australian waters.…”

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confidence: 88%

Venomous Australian Creatures: The Action of their Toxins and the Care of the Envenomated Patient

Sutherland¹

1974

Anaesth Intensive Care

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Sl.:~DIARYPotelltially fatal bites and stings by A ltstralian terrestrial and marille animals are relatively con~I:lOn, bltt with correct management .of victiltls, death should be iln infreqztent oCCltrrenc.e. 1 he knowJl pharmacopathologlcal actIOns of some of these venoms are enumerated and speofic ilntldotes are descrzbed. Incases of certain venoms against which no "specific" treatment has yet heCJl developed, all approach to mall(!Clemellt based upon clinical and experimental evidence is presented. b * :\I.

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“…The generalisation that C. fleckeri's life cycle is seasonal is based on numerous reports of medusae and stings from the warmer months of the year [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18] contrasted with a lack of such reports from the winter months. Although the life history of cubozoans is complex [19] in which an asexually reproducing polyp phase alternates with a sexually reproducing medusae phase [15], [16], [20], [21], [22], [23], [24], the timing of the shift from the polyp to medusae phase appears to vary both spatially and temporally [10], [12], [15], [16], [18].…”

Section: Introductionmentioning

confidence: 99%

Growth, Development and Temporal Variation in the Onset of Six Chironex fleckeri Medusae Seasons: A Contribution to Understanding Jellyfish Ecology

Gordon

Seymour²

2012

PLoS ONE

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Despite the worldwide distribution, toxicity and commercial, industrial and medical impacts jellyfish present, many aspects of their ecology remain poorly understood. Quantified here are important ecological parameters of Chironex fleckeri medusae, contributing not only to the understanding of an understudied taxon, the cubozoa, but also to the broader understanding of jellyfish ecology. C. fleckeri medusae were collected across seven seasons (1999, 2000, 2003, 2005–07 and 2010), with growth rates, temporal variation in the medusae season onset and differences in population structure between estuarine and coastal habitats quantified. With a mean of 2 September ±2 d (mean ±95% confidence limits), the earliest date of metamorphosis was temporally constrained between seasons, varying by only 7 d (30 August to 5 September). Juvenile medusae appeared to be added over an extended period, suggesting polyp metamorphosis was an ongoing process once it commenced. At a maximum of 3±0.2 mm d −1 IPD, medusae growth to an asymptotic size of ∼190 mm IPD was rapid, yet, with the oldest medusae estimated to be ∼78 d in age, medusae did not appear to accumulate along the coastline. Furthermore, a greater proportion of juveniles were observed along the coastline, with estuarine populations typified by larger medusae. With key aspects of C. fleckeri 's ecology now quantified, medusae season management protocols can be further developed.

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Comparison of tentacle extracts from Chiropsalmus quadrigatus and Chironex fleckeri

Cited by 28 publications

References 5 publications

Growth and age determination of the tropical Australian cubozoan Chiropsalmus sp.

Growth and age determination of the tropical Australian cubozoan Chiropsalmus sp.

Venomous Australian Creatures: The Action of their Toxins and the Care of the Envenomated Patient

Growth, Development and Temporal Variation in the Onset of Six Chironex fleckeri Medusae Seasons: A Contribution to Understanding Jellyfish Ecology

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