ArticleScientific reports2016
Reduced host-specificity in a parasite infecting non-littoral Lake Tanganyika cichlids evidenced by intraspecific morphological and genetic diversity.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 50 citations in OpenAlex.
- Geographic differentiation of ectoparasitic flatworms in the pelagic zone of Lake Tanganyika, Africa.Frontiers in zoology · 2026Article
- Prevalence and diversity of Acanthocephala in stream-dwelling amphipods (Parasitology · 2025Article
- Uncovering the monogenean species diversity of cyprinoid fish in Iraq using an integrative approach.Parasitology · 2024Article
- Parasites (Monogenea) of tilapias Oreochromis niloticus and Coptodon rendalli (Cichlidae) in a river spring in Brazil.Parasite (Paris, France) · 2024Article
- De novo developed microsatellite markers in gill parasites of the genusEcology and evolution · 2021Article
- Article
- Analysis of structural variants in four African cichlids highlights an association with developmental and immune related genes.BMC evolutionary biology · 2020Article
- Uncharted digenean diversity in Lake Tanganyika: cryptogonimids (Digenea: Cryptogonimidae) infecting endemic lates perches (Actinopterygii: Latidae).Parasites & vectors · 2020Article
- Six new species of Cichlidogyrus Paperna, 1960 (Platyhelminthes: Monogenea) from the gills of cichlids (Teleostei: Cichliformes) from the Lomami River Basin (DRC: Middle Congo).Parasites & vectors · 2020Article
- An exploration of the links between parasites, trophic ecology, morphology, and immunogenetics in the Lake Tanganyika cichlid radiation.Hydrobiologia · 2019Article
- Only true pelagics mix: comparative phylogeography of deepwater bathybatine cichlids from Lake Tanganyika.Hydrobiologia · 2019Article
- Host-specific phenotypic variation of a parasite co-introduced with invasive Burmese pythons.PloS one · 2019Article
- The first next-generation sequencing approach to the mitochondrial phylogeny of African monogenean parasites (Platyhelminthes: Gyrodactylidae and Dactylogyridae).BMC genomics · 2018Article
- Seven new species ofPeerJ · 2018Article
- Article
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Authors and funding
6 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
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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