The anatomy of the venom apparatus of the zebrafish, <i>Pterois volitans</i> (Linnaeus)

Halstead, Bruce W.; Chitwood, Myrna J.; Modglin, F. Rene

doi:10.1002/ar.1091220304

Cited by 33 publications

(22 citation statements)

References 2 publications

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“…The first article dates from 1955. 16 The countries with greater production on the subject are the United States (11,107), Germany (2889),* and China (2638). Brazil is at the 20th position (318).…”

Section: Resultsmentioning

confidence: 99%

Zebrafish in Brazilian Science: Scientific Production, Impact, and Collaboration

2016

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By means of scientometric indicators, this study investigated the characteristics of scientific production and research collaboration involving zebrafish (Danio rerio) in Brazilian Science indexed by the Web of Science (WoS). Citation data were collected from the WoS and data regarding Impact Factor (IF) were gathered from journals in the Journal Citation Reports. Collaboration was evaluated according to coauthorship data, creating representative nets with VOSviewer. Zebrafish has attained remarkable importance as an experimental model organism in recent years and an increase in scientific production with zebrafish is observed in Brazil and around the world. The citation impact of the worldwide scientific production is superior when compared to the Brazilian scientific production. However, the citation impact of the Brazilian scientific production is consistently increasing. Brazil does not follow the international trends with regard to publication research fields. The state of Rio Grande do Sul has the greatest number of articles and the institution with the largest number of publications is Pontifícia Universidade Católica do Rio Grande do Sul. Journals' average IF is higher in Brazilian publications with international coauthorship, and around 90% of articles are collaborative. The Brazilian institutions presenting the greatest number of collaborations are Pontifícia Universidade Católica do Rio Grande do Sul, Universidade Federal do Rio Grande do Sul, Fundação Universidade Federal de Rio Grande, and Universidade de São Paulo. These data indicate that Brazilian research using zebrafish presents a growth in terms of number of publications, citation impact, and collaborative work.

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Section: Resultsmentioning

confidence: 99%

Zebrafish in Brazilian Science: Scientific Production, Impact, and Collaboration

2016

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“…Skin toxins may also affect the attachment of ectoparasites on fishes [70]. Lionfish do possess venom in the grooves of their dorsal, pelvic, and anal spines that likely deter predation by larger fishes [71], [72]. While the venom itself is not located on the skin or in the blood, the venom precursor is systemic (Wilcox and Hixon in revision).…”

Section: Discussionmentioning

confidence: 99%

Low Susceptibility of Invasive Red Lionfish (Pterois volitans) to a Generalist Ectoparasite in Both Its Introduced and Native Ranges

et al. 2014

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Escape from parasites in their native range is one of many mechanisms that can contribute to the success of an invasive species. Gnathiid isopods are blood-feeding ectoparasites that infest a wide range of fish hosts, mostly in coral reef habitats. They are ecologically similar to terrestrial ticks, with the ability to transmit blood-borne parasites and cause damage or even death to heavily infected hosts. Therefore, being highly resistant or highly susceptible to gnathiids can have significant fitness consequences for reef-associated fishes. Indo-Pacific red lionfish (Pterois volitans) have invaded coastal habitats of the western tropical and subtropical Atlantic and Caribbean regions. We assessed the susceptibility of red lionfish to parasitic gnathiid isopods in both their native Pacific and introduced Atlantic ranges via experimental field studies during which lionfish and other, ecologically-similar reef fishes were caged and exposed to gnathiid infestation on shallow coral reefs. Lionfish in both ranges had very few gnathiids when compared with other species, suggesting that lionfish are not highly susceptible to infestation by generalist ectoparasitic gnathiids. While this pattern implies that release from gnathiid infestation is unlikely to contribute to the success of lionfish as invaders, it does suggest that in environments with high gnathiid densities, lionfish may have an advantage over species that are more susceptible to gnathiids. Also, because lionfish are not completely resistant to gnathiids, our results suggest that lionfish could possibly have transported blood parasites between their native Pacific and invaded Atlantic ranges.

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“…To date, few biotic controls have been identified in the invaded range: Atlantic lionfish are relatively free of parasites (Sikkel et al 2014) and do not experience increased mortality or emigration even at extreme densities (Benkwitt 2013). Lionfish possess an impressive array of traits that may render them difficult to detect and/or may confuse prey (Lönnstedt & McCormick 2013, Marsh-Hunkin et al 2013, Black et al 2014 and are themselves well-defended from predation by venomous dorsal spines (Halstead et al 1955). As such, predation on lionfish in the invaded range, although reported, is irregular and thus far insufficient to control their densities (Hacke rott et al 2013), which have been reported as high as 393 ind.…”

Section: Study Speciesmentioning

confidence: 99%

Lionfish cause increased mortality rates and drive local extirpation of native prey

Ingeman¹

2016

Mar. Ecol. Prog. Ser.

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As predators play a central role in prey population regulation, predicting the impact of a novel predator requires determining how the invader affects the compensatory dynamics that underlie native prey persistence. The Indo-Pacific lionfish Pterois volitans is an invasive mesopredator that voraciously consumes native coral-reef fishes of the tropical western Atlantic and Caribbean. The fairy basslet Gramma loreto is a common prey of lionfish, and pre-invasion research has demonstrated that basslet populations undergo regulating density-dependent mortality due to predation. To unequivocally measure lionfish effects on prey mortality and to test whether prey survival remained density-dependent when exposed to predation by the invader, a controlled field experiment was conducted wherein both fairy basslet settlement density and lionfish presence were manipulated by divers on natural coral reefs. On reefs with and without lionfish, fairy basslet populations were repeatedly censused over the 28 d experimental period and mortality rates across a gradient of prey densities were quantified. Per capita loss of fairy basslet was density-dependent on reefs with and without introduced lionfish; however, the magnitude of this loss was significantly higher on reefs with the invader present. High mortality rates at low prey density resulted in local extinction of 2 of 14 fairy basslet populations exposed to the invader, a phenomenon observed only on lionfish reefs. Further, 9 out of 14 lionfish-exposed prey populations showed loss rates of > 50% compared with just 3 prey populations with such rates on nativeonly reefs.

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The anatomy of the venom apparatus of the zebrafish, Pterois volitans (Linnaeus)

Cited by 33 publications

References 2 publications

Zebrafish in Brazilian Science: Scientific Production, Impact, and Collaboration

Zebrafish in Brazilian Science: Scientific Production, Impact, and Collaboration

Low Susceptibility of Invasive Red Lionfish (Pterois volitans) to a Generalist Ectoparasite in Both Its Introduced and Native Ranges

Lionfish cause increased mortality rates and drive local extirpation of native prey

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