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Peer-reviewedCC BY-NC 4.0Parasitology

Morphological and molecular evidence for Paradiplozoon vorax sp. nov. (Polyopisthocotyla: Diplozoidae) from Leuciscus vorax in Southern Iraq

  • Michal Benovics1,2,3
  • Eva Řehulková2
  • Mohammed H. K. Al-Kuraizi4
  • Atheer H. Ali4
4 affiliations
  1. 1Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
  2. 2Department of Zoology, Faculty of Natural Sciences, Comenius University in Bratislava, Bratislava, Czech Republic
  3. 3Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
  4. 4Department of Fisheries and Marine Resources, College of Agriculture, University of Basrah, Basrah, Iraq
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Abstract

Freshwater streams in Iraq harbour a remarkable diversity of fish species. A similarly high diversity has also been recorded for diplozoid parasites, which are commonly associated with the cyprinoid fishes. A new species, Paradiplozoon vorax sp. nov., is described from Leuciscus vorax from Al-Gharraf River. This is the 21st Paradiplozoon species recorded from Iraq and presumably the 11th species from this fish host. Phylogenetic analyses based on the ITS2 rDNA region revealed a close relationship between P. vorax sp. nov. and P. pavlovskii, which exhibits a wide geographical range spanning Europe and the Middle East. Although these two species are morphologically similar, they differ in important characters such as the number of folds in the hindbody, the shape of postovarian caecum or the shape of anterior joining sclerite of clamps. It is hypothesized that these two species originated by vicariant speciation from a common ancestor associated with ancestral Aspius-like leuciscids.

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Cite

BibTeXRIS
BibTeX
@article{benovics2026morphological,
  title = {{Morphological and molecular evidence for Paradiplozoon vorax sp. nov. (Polyopisthocotyla: Diplozoidae) from Leuciscus vorax in Southern Iraq}},
  author = {Michal Benovics and Eva Řehulková and Mohammed H. K. Al-Kuraizi and Atheer H. Ali},
  journal = {Parasitology},
  year = {2026},
  month = jul,
  doi = {10.1017/s0031182026102479},
  url = {https://doi.org/10.1017/s0031182026102479},
  note = {CC BY-NC 4.0},
}
RIS
TY  - JOUR
TI  - Morphological and molecular evidence for Paradiplozoon vorax sp. nov. (Polyopisthocotyla: Diplozoidae) from Leuciscus vorax in Southern Iraq
AU  - Michal Benovics
AU  - Eva Řehulková
AU  - Mohammed H. K. Al-Kuraizi
AU  - Atheer H. Ali
PY  - 2026
DA  - 2026/07/29
JO  - Parasitology
DO  - 10.1017/s0031182026102479
UR  - https://doi.org/10.1017/s0031182026102479
AB  - Freshwater streams in Iraq harbour a remarkable diversity of fish species. A similarly high diversity has also been recorded for diplozoid parasites, which are commonly associated with the cyprinoid fishes. A new species, Paradiplozoon vorax sp. nov., is described from Leuciscus vorax from Al-Gharraf River. This is the 21st Paradiplozoon species recorded from Iraq and presumably the 11th species from this fish host. Phylogenetic analyses based on the ITS2 rDNA region revealed a close relationship between P. vorax sp. nov. and P. pavlovskii, which exhibits a wide geographical range spanning Europe and the Middle East. Although these two species are morphologically similar, they differ in important characters such as the number of folds in the hindbody, the shape of postovarian caecum or the shape of anterior joining sclerite of clamps. It is hypothesized that these two species originated by vicariant speciation from a common ancestor associated with ancestral Aspius-like leuciscids.
SN  - 0031-1820
SN  - 1469-8161
ER  -