Higher parasite richness, abundance and impact in native versus introduced cichlid fishes

Roche, Dominique G.; Leung, Brian; Franco, Edgar F. Mendoza; Torchin, Mark E.

doi:10.1016/j.ijpara.2010.05.007

Cited by 59 publications

(52 citation statements)

References 33 publications

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“…As Ancyrocephalidae found in cichlids is a species diverse taxa (Pariselle and Euzet 2009), they are often the focus of a specific investigations, which might generate a publication bias: unsuccessful searches for these parasites will tend to not be reported. To date, the only epidemiological study at the scale of the metazoan parasite community in invasive tilapia mentioned the presence of Ancyrocephalidae gill parasites in the Panama Canal (Roche et al 2010).…”

Section: Discussionmentioning

confidence: 99%

“…It now ranks among the most aggressive invasive species (Canonico et al 2005;Global Invasive Species Database 2009). O. mossambicus belongs to the African fish taxa called Btilapia,^whose many other representatives were introduced out of Africa along with their gill monogenean parasites (e.g., Cone et al 1995;Mendoza-Franco et al 2006;Roche et al 2010). These parasites have a simple life cycle and belong to the Ancyrocephalidae (Monogenea) taxa including more than 127 species (see Pariselle and Euzet 2009;Van Steenberge et al 2015 and references therein).…”

Section: Introductionmentioning

confidence: 99%

“…These parasites have a simple life cycle and belong to the Ancyrocephalidae (Monogenea) taxa including more than 127 species (see Pariselle and Euzet 2009;Van Steenberge et al 2015 and references therein). They are potentially costly for their hosts and a spill-over phenomenon (sensu Britton 2013) can happen as they occasionally infect native host species such as New World cichlids (Jimenez-Garcia et al 2001;Roche et al 2010). Their occurrence is documented on most of the territories where tilapias have been introduced, including Asia (e.g., Maneepitakusanti and Nagasawa 2012), Australia (Webb 2003), Madagascar (Rakotofiringa 1986 and the New World (e.g., Jimenez-Garcia et al 2001).…”

Section: Introductionmentioning

confidence: 99%

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A case of complete loss of gill parasites in the invasive cichlid Oreochromis mossambicus

et al. 2016

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This study investigates the recent evolution of a rich parasite community associated with one of the world's most invasive species, the cichlid fish Oreochromis mossambicus. Populations from the species' native range (Mozambique) are compared to a population from New Caledonia (Wester Pacific), an island where the species was introduced in 1954. The results support the complete local extinction of the gill parasite community in the course of the invasion process. Up to six gill parasite species per locality were documented in the O. mossambicus native range, and previous surveys consistently reported at least one parasite species introduced along African cichlid species established out of Africa. The absence of parasites in New Caledonia is therefore exceptional. This can be attributed to local factors, such as a strong initial population bottleneck, the likely absence of multiple host introductions, and the frequent occurrence of brackish watersheds that might enhance the probability for natural deparasitation.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A case of complete loss of gill parasites in the invasive cichlid Oreochromis mossambicus

et al. 2016

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“…Seroprevalence of Ross River Virus in Australia was greatest in introduced horses compared to native marsupials (Kay et al 2007), and introduced European starling Sturnis vulgaris transmitted a higher proportion of Eastern equine encephalitis virus to mosquito vectors than comparable native avian species (Komar et al 1999). More generally, fitness-associated traits of parasites are higher in the native host (Dunn and Dick 1998;Roche et al 2010;Gendron et al 2012;Lacerda et al 2012;Ondračková et al 2012). The prevalence and abundance (or intensity) of native helminths has been compared between introduced and native definitive hosts (Kelly et al 2009), including the American mink in Europe (Shimalov and Shimaliv 2001;Torres et al 2003Torres et al , 2008.…”

Section: Discussionmentioning

confidence: 99%

“…Cable School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3AX, UK e-mail: ellie.sherrard-smith@phe.gov.uk of humans and associated resources creates an elevated potential for interaction between parasites and hosts that were previously geographically separated (reviewed in Ricciardi 2007). Generally, parasites are reported to do better within a native rather than an introduced host-with higher parasite species richness and higher abundance recorded in native host populations (Dunn and Dick 1998;Roche et al 2010;Gendron et al 2012;Lacerda et al 2012;Ondračková et al 2012)-but this is not always the case (Vale et al 1991;Pasternak et al 2007). The traits associated with parasite fitness such as parasite abundance can, on occasion, be higher in introduced host species (Kennedy et al 1991;Rauque et al 2003).…”

Section: Introductionmentioning

confidence: 99%

The impact of introduced hosts on parasite transmission: opisthorchiid infections in American mink (Neovison vison)

2014

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Introduced animals may be considered at an advantage over native competitors because they have escaped natural parasites. In some cases however, generalist parasites in a novel environment can use introduced species as an alternative or reservoir host. This can change the dynamics of parasite populations, with implications for epidemiology. The key factor determining the impact of an alternative host is its ability to maintain a reproductively successful parasite and contribute to the transmission potential of that parasite. The digenean Pseudamphistomum truncatum is found in native otters Lutra lutra in Britain and has been reported in introduced American mink Neovison vison. To investigate whether introduced mink are competent hosts and to ask how mink compare with otters as hosts, we compared parasite prevalence, intensity and fecundity between the two host species in a region where both are common. Although prevalence was not statistically different between otters and mink (48 %, n = 27, compared to 33 %, n = 21 respectively), mean parasite intensity was higher in mink (253 ± 145 standard error parasites/infected host, compared to 46 ± 18 in otters). Parasite fecundity was lower in mink (mean egg count/parasite/ host = 622 ± 64) than in otters (1,204 ± 108), and this difference was not confounded by host or parasite size or by intraspecific competition among parasites. Assuming the parasite eggs are equally viable from otters or mink, mink are not only a competent host for P. truncatum, but because of the higher parasite intensity in mink, they can potentially spread c.3 times as many parasite eggs to intermediate hosts, than otters. The naturalisation of mink to new habitats may therefore contribute to trematode infections in native fauna.

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Parasites and Lessepsian migration of Fistularia commersonii (Osteichthyes, Fistulariidae): shadows and light on the enemy release hypothesis

et al. 2016

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According to the enemy release hypothesis, one of the reasons for the successful establishment of non-indigenous species in a new habitat is the libera- tion from natural enemies, and among them the parasites. The rapid spread of the Red Sea/Indo-Pacific fish Fistu- laria commersonii in the Mediterranean Sea, which in just 7 years (2000–2007) invaded nearly all of the basin, gives an opportunity to study the dynamics of the host and its parasites in its recently invaded range. Informa- tion on the parasites of this fish in its original habitat is quite scarce. The present study describes the metazoan parasites of 40 specimens of F. commersonii (total length range 73–107 cm) caught in the Mediterranean Sea (Sar- dinia, Tunisia, Libya) from 2005 to 2015. The parasite fauna of this migrant in the recently invaded range is mainly a combination of generalist juvenile/larval spe- cies (probably acquired in the new habitat) with some of its adult natural parasites (probably co-introduced during migration). The results indicate that a non-indigenous species is not always released from its natural parasite and that its success is not simply associated with such liberation. Actually, the parasite fauna of F. commer- sonii increased along its migration path, acquiring new generalist species, but also conserving a subset of natu- ral parasites. These data suggest caution in the uncritical acceptance of the enemy release hypothesis, because the different phases of the invasion process and establish- ment of a non-indigenous species appear to be related to a combination of ecological, physiological and behav- ioural factors

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Higher parasite richness, abundance and impact in native versus introduced cichlid fishes

Cited by 59 publications

References 33 publications

A case of complete loss of gill parasites in the invasive cichlid Oreochromis mossambicus

A case of complete loss of gill parasites in the invasive cichlid Oreochromis mossambicus

The impact of introduced hosts on parasite transmission: opisthorchiid infections in American mink (Neovison vison)

Parasites and Lessepsian migration of Fistularia commersonii (Osteichthyes, Fistulariidae): shadows and light on the enemy release hypothesis

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