Gyrodactylus ginestrae n. sp. (Monogenea: Gyrodactylidae), a parasite of the big-scale sand smelt, Atherina boyeri Risso, 1810 (Actinopterygii: Atherinidae) from the Black Sea

Kvach, Yuriy; Ondračková, Markéta; Seifertová, Mária; Hulak, Bohdan

doi:10.1007/s00436-019-06483-8

Cited by 11 publications

(13 citation statements)

References 57 publications

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“…orecchiae , includes six other species – one, G . proterorhini on Proterorhinus semilunaris (Heckel, 1837), from the Danube River, Black Sea Basin (Kvach et al ., 2019), and five from distant localities, namely G . scartichthi , G .…”

Section: Resultsmentioning

confidence: 99%

“…The remaining five species of Gyrodactylus significantly differ from G . sphinx in the morphology of both hooks and bars (Huyse et al ., 2003; Ziętara et al ., 2012; Kvach et al ., 2019; Lebedeva et al ., 2021).…”

Section: Resultsmentioning

confidence: 99%

“…ginestrae on Atherina boyeri Risso, 1810; and G . alviga on 13 fish species, with the primary host Merlangius merlangus (Linnaeus, 1758) (Dmitrieva & Gerasev, 1997; Gerasev & Dmitrieva, 2004, 2005; Kvach et al ., 2019). This fact may be explained by either considering they have not yet been found in the Mediterranean Basin, or by assuming that some of them may have survived in refugia during the regressions and isolation of the ancient Ponto–Caspian Basin, and are consequently present in the modern Black Sea, but not surviving in the neighbouring Mediterranean Basin.…”

Section: Discussionmentioning

confidence: 99%

“…rarus Wagener, 1910; G . sphinx Dmitrieva & Gerasev, 2000 (Ergens, 1985; Dmitrieva & Gerasev, 1997; Maltsev & Miroshnichenko, 1998; Gerasev & Dmitrieva, 2004, 2005; Stoyanov et al ., 2016; Kvach et al ., 2019).…”

Section: Introductionmentioning

confidence: 99%

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Morphological and genetic variability of the cryptic Gyrodactylus sphinx and Gyrodactylus gerasevi n. sp. (Platyhelminthes: Monogenea) from the Mediterranean Sea and Black Sea: two new members of the cross-ocean distributed Gyrodactylus orecchiae species group

et al. 2022

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Gyrodactylus sphinx Dmitrieva & Gerasev, 2000 is the only species of Gyrodactylus originally described from Aidablennius sphynx (Valenciennes) in the Black Sea. In the present study, monogeneans similar to G. sphinx are reported from the same host and from two other species of Blenniidae from the Black Sea, as well as from the Mediterranean Sea. This study aims to verify the taxonomic status of the specimens found in different hosts and localities, other than the type ones of G. sphinx. Twenty-two measurements of the haptoral structures of 169 gyrodactylids were used for the morphological study. Morphometric variability between different samples was analysed using analysis of variance, multivariate analysis of variance (MANOVA) and principal component analysis (PCA). Molecular studies were carried out using the nuclear internal transcribed spacer 2 and 5.8S ribosomal DNA regions. Network, Bayesian phylogenetic and species delimitation analyses were performed to infer the number of taxonomic units and the phylogeographic relationships occurring within and among them. MANOVA revealed a significant dependence of the morphometry of hamuli and marginal hooks on host species and regions, but a clear differentiation between samples was not confirmed by PCA. Moreover, the ranges of all dimensions overlapped between samples. However, molecular analyses suggested the occurrence of at least two taxonomic entities. The most common entity was present in individuals of the Black and Mediterranean seas, and is described here as Gyrodactylus gerasevi n. sp., whereas a second entity recognized as a G. sphinx was found only in individuals from two localities off Crimea. The monophyletic cluster grouping of these two species was placed within a large clade that also included a separate sister cluster with seven other species of the Gyrodactylus orecchiae cross-ocean species group.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Morphological and genetic variability of the cryptic Gyrodactylus sphinx and Gyrodactylus gerasevi n. sp. (Platyhelminthes: Monogenea) from the Mediterranean Sea and Black Sea: two new members of the cross-ocean distributed Gyrodactylus orecchiae species group

et al. 2022

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“…Genetic analysis based on widely used markers for monogenean parasites, including sequences of partial 18S rDNA, ITS1-5.8S rDNA-ITS2 and cytochrome c oxidase subunit I (COI) (e.g. Ziętara and Lumme, 2002;Paladini et al, 2011;Vanhove et al, 2013;Kvach et al, 2019), indicated the presence of two genotypes that could be separated according to host species. These results supported the description of a new gyrodactylid species infecting A. melas.…”

Section: Introductionmentioning

confidence: 99%

Morphometric and genetic evidence for cryptic diversity inGyrodactylus(Monogenea) infecting non-native European populations ofAmeiurus nebulosusandA. melas

et al. 2020

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Gyrodactylid parasites were observed on non-native populations of North-American freshwater catfishes, Ameiurus nebulosus and Ameiurus melas (Siluriformes: Ictaluridae), at several sites in the Elbe River basin, Czech Republic, Europe. Using a combination of morphological and genetic analyses, the parasites infecting A. nebulosus were determined to be Gyrodactylus nebulosus, a North American parasite co-introduced to Europe along with its Ameiurus fish hosts. Subtle morphometrical differences, as well as seasonal variations, were observed among parasites collected from A. nebulosus and A. melas. The host-related variation was further supported through genetic analysis of the partial 18S rDNA, ITS1-5.8S-ITS2 and COI, showing 0.2, 3.0 and 4.8% divergence, respectively. Consistent genetic differences indicated there were two distinct genotypes. Subtle morphological differences associated with the shape of sickle toe, anchor root and ventral bar membrane, according to host species, also supported the description of a new cryptic species, Gyrodactylus melas n. sp., infecting A. melas. Multivariate morphometrical analysis of haptoral hard parts showed significant differences between the anchor lengths of G. nebulosus and G. melas n. sp. However, the measurements of the haptoral hard structures partially overlapped between species, limiting the usage of these parameters for species delineation.

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Species delimitation of Gyrodactylus (Monogenea: Gyrodactylidae) infecting the southernmost cyprinids (Actinopterygii: Cyprinidae) in the New World

et al. 2021

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Gyrodactylus ginestrae n. sp. (Monogenea: Gyrodactylidae), a parasite of the big-scale sand smelt, Atherina boyeri Risso, 1810 (Actinopterygii: Atherinidae) from the Black Sea

Cited by 11 publications

References 57 publications

Morphological and genetic variability of the cryptic Gyrodactylus sphinx and Gyrodactylus gerasevi n. sp. (Platyhelminthes: Monogenea) from the Mediterranean Sea and Black Sea: two new members of the cross-ocean distributed Gyrodactylus orecchiae species group

Morphological and genetic variability of the cryptic Gyrodactylus sphinx and Gyrodactylus gerasevi n. sp. (Platyhelminthes: Monogenea) from the Mediterranean Sea and Black Sea: two new members of the cross-ocean distributed Gyrodactylus orecchiae species group

Morphometric and genetic evidence for cryptic diversity inGyrodactylus(Monogenea) infecting non-native European populations ofAmeiurus nebulosusandA. melas

Species delimitation of Gyrodactylus (Monogenea: Gyrodactylidae) infecting the southernmost cyprinids (Actinopterygii: Cyprinidae) in the New World

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