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Pseudorhabdosynochus pai

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Species of flatworm

Pseudorhabdosynochus pai
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Monogenea
Order: Dactylogyridea
Family: Diplectanidae
Genus: Pseudorhabdosynochus
Species: P. pai
Binomial name
Pseudorhabdosynochus pai
Justine & Vignon, 2009

Pseudorhabdosynochus pai is a diplectanid monogenean parasitic on the gills of the greasy grouper, Epinephelus tauvina. It was described in 2009.

Description

Pseudorhabdosynochus pai is a small monogenean, 0.3-0.7 mm in length. The species has the general characteristics of other species of Pseudorhabdosynochus, with a flat body and a posterior haptor, which is the organ by which the monogenean attaches itself to the gill of is host. The haptor bears two squamodiscs, one ventral and one dorsal.

The sclerotized male copulatory organ, or "quadriloculate organ", has the shape of a bean with four internal chambers, as in other species of Pseudorhabdosynochus but Pseudorhabdosynochus pai is characterised by an extremely developed male quadriloculate organ: its total length is 140 Îžm and thus the species appears to have the largest quadriloculate organ of all species in the genus. The vagina includes a sclerotized part, which is a complex structure.

Etymology

The authors indicated that Pai is a legendary (male) hero of Moorea.

Hosts and localities

The greasy grouper, Epinephelus tauvina, is the type-host of Pseudorhabdosynochus pai

The type-locality is off Moorea, French Polynesia. The type-host is the greasy grouper, Epinephelus tauvina.

References

  1. ^ Justine, Jean-Lou; Vignon, Matthias (2009). "Monogeneans of the grouper Epinephelus tauvina (Perciformes, Serranidae) off Moorea, French Polynesia, with a description of Pseudorhabdosynochus pai n. sp. (Monogenea: Diplectanidae)". Systematic Parasitology. 72 (2): 113–125. doi:10.1007/s11230-008-9159-1. ISSN 0165-5752. PMID 19115085. S2CID 7679605.
  2. Kritsky, D. C. & Beverley-Burton, M. 1986: The status of Pseudorhabdosynochus Yamaguti, 1958, and Cycloplectanum Oliver, 1968 (Monogenea: Diplectanidae). Proceedings of the Biological Society of Washington, 99, 17-20. PDF Open access icon
Taxon identifiers
Pseudorhabdosynochus pai
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