Diversity and host specificity of monogenean gill parasites (Platyhelminthes) of cichlid fishes in the Bangweulu-Mweru ecoregion

Jorissen, Michiel; Pariselle, Antoine; Huyse, Tine; Vreven, Emmanuel; Snoeks, Jos; Volckaert, Filip; Manda, Auguste Chocha; Kasembele, Gyrhaiss Kapepula; Artois, Tom; Vanhove, Maarten Pieterjan

doi:10.1017/s0022149x17000712

Cited by 29 publications

(93 citation statements)

References 49 publications

(128 reference statements)

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“…However, the MCC of C. pseudozambezensis n. sp. is morphologically similar to that of C. zambezensis (found on species of Serranochromis in Zimbabwe and the DRC, on Oreochromis mortimeri (Trewavas) in Zimbabwe [28], and on the Sargochromis mellandi (Boulenger) species complex in the DRC [29,30]), a species that is positioned in a morphology-based group characterised by short uncinuli I and short uncinuli III to VII [21,22]. Cichlidogyrus pseudozambezensis n. sp.…”

Section: Differential Diagnosismentioning

confidence: 70%

“…Cichlidogyrus pseudozambezensis n. sp. also differs from C. zambezensis in the shape of the vagina, which is described as triangular, funnel-shaped or hat-like in C. zambezensis [28,29]. Additionally, the accessory piece in C. zambezensis has a pointed distal end, in contrast to that in C. pseudozambezensis n.…”

Section: Differential Diagnosismentioning

confidence: 97%

“…To date, only few studies have reported gill parasites of Serranochromis macrocephalus (Boulenger), T. sparrmanii or species of Orthochromis. Five species of Cichlidogyrus have been reported from S. macrocephalus: C. dossoui Douëllou, 1993 [28]; C. halli (Price & Kirk, 1967) [28]; C. quaestio Douëllou, 1993 [28]; C. sclerosus Paperna & Thurston, 1969 [28]; and C. zambezensis Douëllou, 1993 [28,29]. Four species of Cichlidogyrus has been reported from T. sparrmanii (C. dossoui [30]; C. papernastrema Price, Peebles & Bamford, 1969 [29,31]; C. quaestio [30]; and C. tiberianus Paperna, 1960 [30]) and only one species of Cichlidogyrus has been reported from a representative of Orthochromis (C. consobrini are described in the present study.…”

Section: Introductionmentioning

confidence: 99%

“…Keywords: Africa, DRC, Cichlidae, Monogenea, Cichlidogyrus, Serranochromis, Tilapia, Orthochromis, Diversity Jorissen, Pariselle & Vanhove 2018 [29]). However, this is likely an underestimation of the true species richness of this genus on these hosts.…”

Section: Introductionmentioning

confidence: 99%

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Six new species of Cichlidogyrus Paperna, 1960 (Platyhelminthes: Monogenea) from the gills of cichlids (Teleostei: Cichliformes) from the Lomami River Basin (DRC: Middle Congo)

Geraerts

Bukinga²,

Vanhove

et al. 2020

Parasites Vectors

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Background: Monogenea van Beneden, 1858 is a group of parasitic flatworms, commonly found infecting bony fish. Several genera, such as Cichlidogyrus Paperna, 1960, are reported to include potential pathogenic species that can negatively impact aquaculture fish stocks. They can switch from introduced to native fish and vice versa. In Africa (and all over the world), fish species belonging to Cichlidae are often kept in aquaculture and represent a major source of food. Thus, research on the biodiversity and occurrence of monogenean species on these fish is of importance for aquaculture and conservation. The present study is a survey of the diversity of species of Cichlidogyrus in the south of the Democratic Republic of the Congo (DRC) on three cichlid species: Orthochromis sp. 'Lomami' , Serranochromis cf. macrocephalus, and Tilapia sparrmanii Smith, 1840. Methods: Specimens of Cichlidogyrus were isolated from the gills and mounted on glass slides with Hoyer's medium. The genital and haptoral hard parts were measured and drawn using interference contrast. Results: In total, six species of Cichlidogyrus were found, all new to science: C. bulbophallus n. sp. and C. pseudozambezensis n. sp. on S. cf. macrocephalus, C. flagellum n. sp. and C. lobus n. sp. on T. sparrmanii, C. ranula n. sp. on S. cf. macrocephalus and Orthochromis sp. 'Lomami' , and C. maeander n. sp. found on Orthochromis sp. 'Lomami' and T. sparrmanii. The first four species are considered to be strict specialists, C. ranula n. sp. an intermediate generalist and C. maeander n. sp. a generalist. These parasite species show morphological similarities to species found in the Lower Guinea and Zambezi ichthyofaunal provinces, which might be explained by past river capture events between river systems of the Congo Province and both these regions. Conclusions: Serranochromis cf. macrocephalus and Orthochromis sp. 'Lomami' can harbour respectively three and two species of Cichlidogyrus, all described in this study. Tilapia sparrmanii can harbour seven species, of which three

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Section: Differential Diagnosismentioning

confidence: 70%

Section: Differential Diagnosismentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Six new species of Cichlidogyrus Paperna, 1960 (Platyhelminthes: Monogenea) from the gills of cichlids (Teleostei: Cichliformes) from the Lomami River Basin (DRC: Middle Congo)

Geraerts

Bukinga²,

Vanhove

et al. 2020

Parasites Vectors

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“…While M. karibae is a typical gill parasite of Clarias gariepinus known from southern Africa (Barson et al 2010 and references therein), G. nyanzae and especially C. halli are known from a wide range of cichlids throughout Africa (Pariselle & Euzet 2009; Zahradníčková et al 2016). The two latter species have previously been reported from tilapias in the Haut-Katanga province (Jorissen et al 2017). Cichlidogyrus mbirizei was only recently described from the Lake Tanganyika endemic Oreochromis tanganicae (Muterezi Bukinga et al 2012).…”

Section: Methodsmentioning

confidence: 75%

The first next-generation sequencing approach to the mitochondrial phylogeny of African monogenean parasites (Platyhelminthes: Gyrodactylidae and Dactylogyridae)

Vanhove

Briscoe

Jorissen

et al. 2018

Preprint

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Transmission of parasites from introduced tilapias: a new threat to endemic Malagasy ichthyofauna

et al. 2018

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Invasive species are a major threat to biodiversity. In Madagascar, one quarter of freshwater fish fauna consist of introduced species. The introduction of non-native species affects native biota by means of direct interactions but also through indirect interactions including those mediated by parasites, as parasites are usually co-introduced with their hosts. Almost nothing is known about the parasites co-introduced with their fish hosts into Madagascar and their potential impact on native endemic fish fauna. We studied the metazoan parasites of native and introduced cichlid fishes (and some non-cichlids) in the northern part of Madagascar.Using parasite data we evaluated the effect of fish introduced from mainland Africa on native Malagasy cichlid fauna.We documented the co-introduction into Madagascar of parasite species from mainland Africa and also probably from Eurasia. Malagasy cichlids and some other species living in sympatry with non-native cichlids acted as competent hosts for generalist parasites and also for host-specific parasites of African mainland cichlids. However, African mainland cichlids were not susceptible to infection by parasites specific to Malagasy cichlids. The different compositions of parasite communities and infection parameters in endemic and non-native cichlids in the regions investigated may be potentially explained by the different sources and timings of fish introductions. In addition, native endemic parasite fauna even seem to be outcompeted by introduced parasites, which cross the barriers of host specificity. The transmission of non-native parasites associated with the introduction of non-native freshwater fishes may represent a serious risk to endemic freshwater fish and parasite fauna in Madagascar.

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Diversity and host specificity of monogenean gill parasites (Platyhelminthes) of cichlid fishes in the Bangweulu-Mweru ecoregion

Cited by 29 publications

References 49 publications

Six new species of Cichlidogyrus Paperna, 1960 (Platyhelminthes: Monogenea) from the gills of cichlids (Teleostei: Cichliformes) from the Lomami River Basin (DRC: Middle Congo)

Six new species of Cichlidogyrus Paperna, 1960 (Platyhelminthes: Monogenea) from the gills of cichlids (Teleostei: Cichliformes) from the Lomami River Basin (DRC: Middle Congo)

The first next-generation sequencing approach to the mitochondrial phylogeny of African monogenean parasites (Platyhelminthes: Gyrodactylidae and Dactylogyridae)

Transmission of parasites from introduced tilapias: a new threat to endemic Malagasy ichthyofauna

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