Cycloplectanum riouxi n. sp., une nouvelle esp�ce de Diplectanidae (Monogenea, Monopisthocotylea) parasite d'Epinephelus guaza (Linnaeus, 1758) (Pisces, Serranidae)

Oliver, Guy

doi:10.1007/bf00009739

Cited by 8 publications

(13 citation statements)

References 10 publications

(10 reference statements)

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“…For comparative purposes, the following specimens were examined: holotype/paratypes, Diplectanum americanum Price, 1934 (United States National Parasite Collection, Beltsville, USNPC 035703.02); holotype, D. melanesiensis Laird, 1952 (USNPC 038304 Bu et al, 1999(ZRC 1998; paratype, D. querni Yamaguti, 1968 (USNPC 063662.00); paratypes, D. cupatum Young, 1969 (USNPC 076724.00); paratypes, D. summanae Young, 1969 Oliver, 1986(Natural History Museum, London, BMNH 1982.14.1-3); paratypes, P. sulamericanus Santos et al, 2000(BMNH 1999.1.6.1-3); paratypes, D. serrani Yamaguti, 1953 (Meguro Parasitolgical Musuem, Tokyo, SY-6723); syntypes, C. beverleyburtonae Oliver, 1984 (Muse´um National d'Histoire Naturelle (MNHN), Paris, 249H-Tc 167 and 167 bis); holotype/paratype, D. hargisi Oliver & Paperna, 1984 (MNHN Tj 88); syntype, C. bocquetae Oliver & Paperna, 1984 (MNHN Tj 96 Young, 1968, the species which it most closely resembles.…”

Section: Methodsmentioning

confidence: 99%

“…has the characteristic features of Pseudorhabdosynochus. The number of rows of rodlets in the squamodiscs of this new form (9-11) serves to differentiate it from P. riouxi (Oliver, 1986), P. monaensis Dyer, Williams & Bunkley-Williams, 1994, P. epinepheli Yamaguti, 1968, P. americanus (Price, 1937 (Oliver & Paperna, 1984), see below], P. magnisquamodiscum (Aleshkina, 1984), P. coioidesis Bu, Leong, Wong, Woo & Foo, 1999, P. amplidiscatus (Bravo-Hollis, 1954, P. chinensis Zhang, Yang & Liu, 2001, P. sulamericanus Santos, Buchmann & Gibson, 2000and P. latesi (Tripathi, 1955, all of which have >14 rows. Furthermore, it can be distinguished by the shape of the rows of rodlets of the squamosdiscs from P. kritskyi [probably a synonym of P. capurroi Vidal-Martinez & Mendoza-Franco, 1998, see below] and P. melanesiensis [and the closely related, possibly synonymous, P. cupatus (Young, 1969) and P. bocquetae (Oliver & Paperna, 1984), see below], where between two and five rows form complete circles, and P. beverleyburtonae (Oliver, 1984), where the innermost two rows form complete circles.…”

Section: Remarksmentioning

confidence: 98%

“…Pseudorhabdosynochus riouxi (Oliver, 1986) Kritsky & Beverley-Burton, 1986 Syn. Cycloplectanum riouxi Oliver, 1986 Records: Epinephelus guaza (Linnaeus) (Serranidae).…”

Section: Remarksmentioning

confidence: 98%

“…Cycloplectanum riouxi Oliver, 1986 Records: Epinephelus guaza (Linnaeus) (Serranidae). Mediterranean Sea (Oliver, 1986;Radujkovic & Raibaut, 1989;Radujkovic & Euzet, 1989); NE Atlantic off the Canary Islands (Gijon-Botella & Lopez-Roman, 1998), off the west coast of Ireland (Oliver, 1987); E. marginatus (Lowe), Mediterranean Sea (De Liberato et al, 2000). Material studied: 8 paratypes.…”

Section: Remarksmentioning

confidence: 99%

“…Beverley-Burton & Suriano, 1981;Dyer et al, 1995;Vidal-Martinez et al, 1997;Vidal-Martinez & Mendoza-Franco, 1998;Bu et al, 1999;Santos et al, 2000;Zhang et al, 2001). However, several species described during this period, such as P. riouxi (Oliver, 1986), and many previous descriptions of species, such as those of P. serrani (Yamaguti, 1953), P. querni (Yamaguti, 1968) and P. melanesiensis (Laird, 1958), lack detailed illustrations of the vaginal hard-parts. Such data could influence the recognition of new species in the absence of other distinctive features, since this feature is a good diagnostic character at the species level in this genus.…”

Section: Introductionmentioning

confidence: 95%

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Pseudorhabdosynochus summanoides n. sp. (Monogenea: Diplectanidae) from Epinephelus coioides in Dapeng Bay, South China Sea, with Observations on Several Similar Species of Pseudorhabdosynochus Yamaguti, 1958

2005

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One new species of diplectanid monogenean, Pseudorhabdosynochus summanoides n. sp., is reported and described from the marine fish Epinephelus coioides off Nan'ao Shenzhen, China. P. summanoides differs from its closest relative, P. summanae (Young, 1968), by the shape of its vaginal hard-parts, which have a tightly twisted distal region and an accessory patch on the proximal curve. During the course of this work, type-material of several species of Pseudorhabdosynochus was examined and aspects of the vagina and haptor are redescribed and/or figured. These species include P. americanus (Price, 1937), P. hargisi (Oliver & Paperna, 1984), P. amplidiscatus (Bravo-Hollis, 1954), P. epinepheli (Yamaguti, 1938), P. riouxi (Oliver 1986), P. melanesiensis (Laird, 1958), P. cupatus (Young, 1969), P. bocquetae (Oliver & Paperna, 1984), P. kritskyi Dyer et al., 1995, P. capurroi Vidal-Martinez, 1998, P. querni (Yamaguti, 1968) and P. summanae (Young, 1969). Several closely related species are considered in terms of their conspecificity: P. hargisi is proposed as a junior synonym of P. americanus; P. capurroi is suggested as a likely synonym of P. kritskyi; and it is suggested that P. cupatus and P. bocquetae may eventually be demonstrated to be consepcific with P. melanesiensis.

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Section: Methodsmentioning

confidence: 99%

Section: Remarksmentioning

confidence: 98%

“…Pseudorhabdosynochus riouxi (Oliver, 1986) Kritsky & Beverley-Burton, 1986 Syn. Cycloplectanum riouxi Oliver, 1986 Records: Epinephelus guaza (Linnaeus) (Serranidae).…”

Section: Remarksmentioning

confidence: 98%

Section: Remarksmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 95%

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Pseudorhabdosynochus summanoides n. sp. (Monogenea: Diplectanidae) from Epinephelus coioides in Dapeng Bay, South China Sea, with Observations on Several Similar Species of Pseudorhabdosynochus Yamaguti, 1958

2005

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A review of the biology, ecology, behavior and conservation status of the dusky grouper, Epinephelus marginatus (Lowe 1834)

Condini

García-Charton

Garcia

2017

Rev Fish Biol Fisheries

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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)

Justine

2006

Syst Parasitol

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Coral reefs are known for their high level of biodiversity, but parasite biodiversity has not been evaluated. Cases such as Epinephelus maculatus, described here, show that the numerical estimation of parasite biodiversity in coral reefs could reach more than ten times the number of fish species; consequently, the extinction of certain fish species from endangered coral reefs would result in the co-extinction of at least ten times the number of parasite species. E. maculatus is a grouper of intermediate size (1-2 kg) and common in the coral reefs of New Caledonia, South Pacific. Based on the examination of more than 800 monogenean specimens, 12 species of monogeneans (ten diplectanids and two ancyrocephalids) were differentiated on the gills. These species of diplectanids have not been found in other epinephelines in the same area and thus are considered as specific to this host. In addition, three species of copepods, and isopod larvae, are present on the gills; E. maculatus thus has a total of 16 species of gill ectoparasites, which can be found together on a single individual fish. Diplectanids include Laticola dae Journo & Justine, 2006, which is the most abundant species representing about 50% of the specimens, and nine species which are rare, each representing 2-7% of the specimens: Diplectanum uitoe n. sp. and eight species of Pseudorhabdosynochus Yamaguti, 1958. D. uitoe, provisionally attributed to Diplectanum Diesing, 1858, is characterised by a small conical penis with internal walls. Pseudorhabdosynochus auitoe n. sp., P. buitoe n. sp., P. cuitoe n. sp., P. duitoe n. sp., P. euitoe n. sp. and P. fuitoe n. sp. are differentiated on the basis of the morphology of the sclerotised vagina, but are very similar in other characteristics; P. guitoe n. sp. is characterised by a quadriloculate organ with very thick walls and a very small sclerotised vagina; and P. huitoe n. sp. is characterised by its sclerotised vagina and by very long ventral and dorsal haptoral bars. Two rare (2-3% of specimens) ancyrocephalids, Haliotrema epinepheli Young, 1969 and Haliotrema sp., are briefly described in relation to the male copulatory organs and haptoral bars; H. epinepheli is apparently a generalist species found in various epinephelines and other fish species. A table of the 50 species of diplectanids (Pseudorhabdosynochus, Laticola Yang et al., 2006, Echinoplectanum Justine & Euzet, 2006 and Diplectanum) from serranids is provided.

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Cycloplectanum riouxi n. sp., une nouvelle esp�ce de Diplectanidae (Monogenea, Monopisthocotylea) parasite d'Epinephelus guaza (Linnaeus, 1758) (Pisces, Serranidae)

Cited by 8 publications

References 10 publications

Pseudorhabdosynochus summanoides n. sp. (Monogenea: Diplectanidae) from Epinephelus coioides in Dapeng Bay, South China Sea, with Observations on Several Similar Species of Pseudorhabdosynochus Yamaguti, 1958

Pseudorhabdosynochus summanoides n. sp. (Monogenea: Diplectanidae) from Epinephelus coioides in Dapeng Bay, South China Sea, with Observations on Several Similar Species of Pseudorhabdosynochus Yamaguti, 1958

A review of the biology, ecology, behavior and conservation status of the dusky grouper, Epinephelus marginatus (Lowe 1834)

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)

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