Dactylogyrus spp. (Dactylogyridae, Monogenea) from tinfoil barb, Barbonymus schwanenfeldii imported into South Africa: morphometric and molecular characterisation

This study reports on three species of Dactylogyrus Diesing, 1850 (Dactylogyridae) collected from tinfoil barb, Barbonymus schwanenfeldii (Bleeker) which were imported into South Africa as ornamental fish from Sri Lanka and Thailand. Supplementary morphometric characterisation and molecular data (pa...

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Bibliographic Details
Published in:Parasite (Paris) 2023, Vol.30, p.29-29
Main Authors: Molokomme, Prince S, Benovics, Michal, Luus-Powell, Wilmien J, Lukhele, Linda P, Přikrylová, Iva
Format: Article
Language:English
Subjects:
barbonymus
dactylogyrus
monogenea
ornamental fish
south africa
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Summary:This study reports on three species of Dactylogyrus Diesing, 1850 (Dactylogyridae) collected from tinfoil barb, Barbonymus schwanenfeldii (Bleeker) which were imported into South Africa as ornamental fish from Sri Lanka and Thailand. Supplementary morphometric characterisation and molecular data (partial 18S and 28S rDNA, and ITS1 region sequences) are presented for Dactylogyrus lampam (Lim & Furtado, 1986), Dactylogyrus tapienensis Chinabut & Lim, 1993 and Dactylogyrus viticulus Chinabut & Lim, 1993. Prevalence of Dactylogyrus spp. infection was 87% and 80% for fish from Sri Lanka and Thailand, respectively. Composition of the parasites between the fish of each origin differed. All three species were found to infect fish from Thailand, but only D. lampam was present on the fish received from Sri Lanka. Phylogenetic analysis revealed the position of studied species, with D. lampam clustering within the lineages of varicorhini-type species, while D. tapienensis and D. viticulus form a sister lineage to Dactylogyrus spp. associated with Cyprinus carpio L. and Carassius spp., species parasitising central African large cyprinids (Labeo Cuvier), and species parasitising African and Middle Eastern Carasobarbus spp.
ISSN:1776-1042
1252-607X
1776-1042
DOI:10.1051/parasite/2023031