The Monogenean Parasite Fauna of Cichlids: A Potential Tool for Host Biogeography

Pariselle, Antoine; Boeger, Walter A.; Snoeks, Jos; Bilong, Charles Félix Bilong; Morand, Sergé; Vanhove, Maarten Pieterjan

doi:10.4061/2011/471480

Cited by 71 publications

(63 citation statements)

References 136 publications

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“…Endoparasites are generally ingested by their host in a passive manner, which may lead to low specificity. In contrast, ectoparasites generally infect their host through active dispersal (Pariselle et al. 2011), allowing them to be more specific in their host choices.…”

Section: Introductionmentioning

confidence: 99%

Patterns of interactions of a large fish–parasite network in a tropical floodplain

Lima

Giacomini

Takemoto

et al. 2012

Journal of Animal Ecology

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Summary1. Describing and explaining the structure of species interaction networks is of paramount importance for community ecology. Yet much has to be learned about the mechanisms responsible for major patterns, such as nestedness and modularity in different kinds of systems, of which large and diverse networks are a still underrepresented and scarcely studied fraction. 2. We assembled information on fishes and their parasites living in a large floodplain of key ecological importance for freshwater ecosystems in the Parana´River basin in South America. The resulting fish-parasite network containing 72 and 324 species of fishes and parasites, respectively, was analysed to investigate the patterns of nestedness and modularity as related to fish and parasite features. 3. Nestedness was found in the entire network and among endoparasites, multiple-host life cycle parasites and native hosts, but not in networks of ectoparasites, single-host life cycle parasites and non-native fishes. All networks were significantly modular. Taxonomy was the major host's attribute influencing both nestedness and modularity: more closely related host species tended to be associated with more nested parasite compositions and had greater chance of belonging to the same network module. Nevertheless, host abundance had a positive relationship with nestedness when only native host species pairs of the same network module were considered for analysis. 4. These results highlight the importance of evolutionary history of hosts in linking patterns of nestedness and formation of modules in the network. They also show that functional attributes of parasites (i.e. parasitism mode and life cycle) and origin of host populations (i.e. natives versus non-natives) are crucial to define the relative contribution of these two network properties and their dependence on other ecological factors (e.g. host abundance), with potential implications for community dynamics and stability.

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Section: Introductionmentioning

confidence: 99%

Patterns of interactions of a large fish–parasite network in a tropical floodplain

Lima

Giacomini

Takemoto

et al. 2012

Journal of Animal Ecology

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“…In each of the African Great Lakes, hundreds of endemic species evolved within a short period of time3132333435. Currently, 13 monogenean genera are known to infect cichlid species and six of these have been observed on African representatives36. Cichlidogyrus (Monopisthocotylea, Dactylogyridae) is the most species rich, with 102 representatives recorded from 88 different host species10111213141518373839404142.…”

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confidence: 99%

Reduced host-specificity in a parasite infecting non-littoral Lake Tanganyika cichlids evidenced by intraspecific morphological and genetic diversity

Kmentová

Gelnar

Mendlová

et al. 2016

Sci Rep

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Lake Tanganyika is well-known for its high species-richness and rapid radiation processes. Its assemblage of cichlid fishes recently gained momentum as a framework to study parasite ecology and evolution. It offers a rare chance to investigate the influence of a deepwater lifestyle in a freshwater fish-parasite system. Our study represents the first investigation of parasite intraspecific genetic structure related to host specificity in the lake. It focused on the monogenean flatworm Cichlidogyrus casuarinus infecting deepwater cichlids belonging to Bathybates and Hemibates. Morphological examination of C. casuarinus had previously suggested a broad host range, while the lake’s other Cichlidogyrus species are usually host specific. However, ongoing speciation or cryptic diversity could not be excluded. To distinguish between these hypotheses, we analysed intraspecific diversity of C. casuarinus. Monogeneans from nearly all representatives of the host genera were examined using morphometrics, geomorphometrics and genetics. We confirmed the low host-specificity of C. casuarinus based on morphology and nuclear DNA. Yet, intraspecific variation of sclerotized structures was observed. Nevertheless, the highly variable mitochondrial DNA indicated recent population expansion, but no ongoing parasite speciation, confirming, for the first time in freshwater, reduced parasite host specificity in the deepwater realm, probably an adaptation to low host availability.

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“…Variations in parasite species richness among Cichlidae species provide a good model for studying diversification of communities among these hosts, as well as contributing towards knowledge of the biogeography of parasites of these Perciformes, which have a wide geographical distribution and endemic characteristics (Pérez‐Ponce de León and Choudhury, ; Pariselle et al., ). In addition, whenever a wild Amazonian cichlid species is translocated to another region, there is always the possibility that its parasites will also be translocated with it (Bittencourt et al., ).…”

Section: Introductionmentioning

confidence: 99%

Parasites component community in wild population ofPterophyllum scalareSchultze, 1823 andMesonauta acoraCastelnau, 1855, cichlids from the Brazilian Amazon

2015

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The aim of the present study was to compare the component parasite communities of the Pterophyllum scalare and Mesonauta acora cichlids in the Amazon River system in northern Brazil. From September to December 2012, 42 specimens of P. scalare and 38 specimens of M. acora were captured using hand nets and gillnets in the Igarap e Fortaleza basin, a tributary of the Amazon River in the state of Amap a. Of the P. scalare specimens examined, 97.6% were parasitized by Ichthyophthirius multifiliis, Tripartiella sp., Trichodina nobilis, Gussevia spiralocirra, Posthodiplostomum sp., Capillaria pterophylli, Ichthyouris sp. and Gorytocephalus spectabilis. Similarly, all specimens of M. acora were parasitized by I. multifiliis, Tripartiella sp, T. nobilis, Sciadicleithrum joanae, Posthodiplostomum sp., Pseudoproleptus sp., Ichthyouris sp. and G. spectabilis. However, for both hosts the dominance was of I. multifiliis and with an overdispersion of parasites. Parasite communities of P. scalare and M. acora were similar and only Pseudoproleptus sp. and Posthodiplostomum sp. were larvae. Brillouin diversity, parasite species richness and evenness were higher for M. acora than for P. scalare, which presented a negative correlation of parasite abundance with body size. Both cichlid species had parasite communities characterized by low diversity and low species richness, with a predominance of ectoparasite species and greatest richness of helminth species, with a low abundance of endoparasites. This was the first study on the parasite diversity in wild P. scalare and M. acora.

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The Monogenean Parasite Fauna of Cichlids: A Potential Tool for Host Biogeography

Cited by 71 publications

References 136 publications

Patterns of interactions of a large fish–parasite network in a tropical floodplain

Patterns of interactions of a large fish–parasite network in a tropical floodplain

Reduced host-specificity in a parasite infecting non-littoral Lake Tanganyika cichlids evidenced by intraspecific morphological and genetic diversity

Parasites component community in wild population ofPterophyllum scalareSchultze, 1823 andMesonauta acoraCastelnau, 1855, cichlids from the Brazilian Amazon

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