Pseudorhabdosynochus huitoe

Pseudorhabdosynochus huitoe is a diplectanid monogenean parasitic on the gills of the highfin grouper, Epinephelus maculatus. It was described in 2007.[1]

Pseudorhabdosynochus huitoe
Scientific classification
Kingdom:
Animalia
Phylum:
Platyhelminthes
Class:
Monogenea
Subclass:
Monopisthocotylea
Family:
Diplectanidae
Genus:
Pseudorhabdosynochus
Species:
huitoe
Binomial name
Pseudorhabdosynochus huitoe
Justine, 2007

Description

Pseudorhabdosynochus huitoe is a small monogenean, 0.3-0.5 mm in length.[1] 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.[2] The vagina includes a sclerotized part, which is a complex structure.

Etymology

Pseudorhabdosynochus huitoe is part of a series of eight species of Pseudorhabdosynochus with similar names. All these species are parasitic on the same host fish. According to the author,[1] names of the new species have been formed on the base of "uitoe", the local name of the host and the letters a–h, in accordance to International Code of Zoological Nomenclature articles 57.6 (one-letter difference) and 32.5.2.4.4 (no punctuation). The eight species sharing this etymology are P. auitoe, P. buitoe, P. cuitoe, P. duitoe, P. euitoe, P. fuitoe, P. guitoe, and P. huitoe.

Hosts and localities
The Highfin grouper, Epinephelus maculatus is the type-host of Pseudorhabdosynochus huitoe
The camouflage grouper, Epinephelus polyphekadion, is also a host of Pseudorhabdosynochus huitoe
The speckled blue grouper, Epinephelus cyanopodus, is also a host

The type-locality is the Barrier Reef off Nouméa, New Caledonia.[1] P. huitoe has also been recorded off New Caledonia from the speckled blue grouper, Epinephelus cyanopodus [3] and the camouflage grouper, Epinephelus polyphekadion.[4]

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References
  1. Justine, Jean-Lou (2007). "Parasite biodiversity in a coral reef fish: twelve species of monogeneans on the gills of the grouper Epinephelus maculatus (Perciformes: Serranidae) off New Caledonia, with a description of eight new species of Pseudorhabdosynochus (Monogenea: Diplectanidae)". Systematic Parasitology. 66 (2): 81–129. doi:10.1007/s11230-006-9057-3. PMID 16972153.
  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.
  3. Sigura, Aude; Justine, Jean-Lou (2008). "Monogeneans of the speckled blue grouper, Epinephelus cyanopodus (Perciformes, Serranidae), from off New Caledonia, with a description of four new species of Pseudorhabdosynochus and one new species of Laticola (Monogenea: Diplectanidae), and evidence of monogenean faunal changes according to the size of fish". Zootaxa. 1695: 1–44.
  4. Schoelinck, Charlotte; Justine, Jean-Lou (2011). "Four species of Pseudorhabdosynochus (Monogenea: Diplectanidae) from the camouflage grouper Epinephelus polyphekadion (Perciformes: Serranidae) off New Caledonia". Systematic Parasitology. 79 (1): 41–61. doi:10.1007/s11230-010-9289-0. ISSN 0165-5752. PMID 21487947.
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