Dactylogyrids (Monogenoidea: Polyonchoinea) parasitizing the gills of snappers (Perciformes: Lutjanidae): revision of Euryhaliotrema with new and previously described species from the Red Sea, Persian Gulf, the eastern and Indo-west Pacific Ocean, and the Gulf of Mexico
“…the prevalence of E. perezponcei (100%) was similar to the value previously reported (94.73%) on this host species (García-Vargas et al 2008). these results are consistent with other data on the frequency of the occurrence of dactylogyrid species on the gills of snappers (Kritsky et al 2009).…”
Section: Fig 2 Percentage Of Dactylogyrids On the Gill Arches And Ssupporting
confidence: 93%
“…Monogeneans found on fresh gills were isolated, counted and observed alive with an olYMPUs BX51 light microscope (Center Valley, PA, USA) using the 100× objective. All dactylogyrid species were identified using sclerotized parts of the parasite haptor (anchors, connective bars and marginal hooks) and reproductive organs (male copulatory organs and vaginal armaments) according to Plaisance and Kritsky (2004), García-Vargas et al (2008) and Kritsky et al (2009). some helminth specimens were mounted unstained in grey and Wess medium (Humason 1979) for the study of sclerotized structures, and others were stained with gomori's trichrome (Humason 1979) and mounted in canada balsam for the observation of internal structures.…”
“…the prevalence of E. perezponcei (100%) was similar to the value previously reported (94.73%) on this host species (García-Vargas et al 2008). these results are consistent with other data on the frequency of the occurrence of dactylogyrid species on the gills of snappers (Kritsky et al 2009).…”
Section: Fig 2 Percentage Of Dactylogyrids On the Gill Arches And Ssupporting
confidence: 93%
“…Monogeneans found on fresh gills were isolated, counted and observed alive with an olYMPUs BX51 light microscope (Center Valley, PA, USA) using the 100× objective. All dactylogyrid species were identified using sclerotized parts of the parasite haptor (anchors, connective bars and marginal hooks) and reproductive organs (male copulatory organs and vaginal armaments) according to Plaisance and Kritsky (2004), García-Vargas et al (2008) and Kritsky et al (2009). some helminth specimens were mounted unstained in grey and Wess medium (Humason 1979) for the study of sclerotized structures, and others were stained with gomori's trichrome (Humason 1979) and mounted in canada balsam for the observation of internal structures.…”
“…Recently, Kritsky (2012) proposed the synonymy of Euryhaliotrematoides with Euryhaliotrema . As result, this species was transferred as Euryhaliotremaannulocirrus .…”
Section: Resultsmentioning
confidence: 99%
“…Lutjanusfulvus (Forster), Lutjanusfulviflamma (Forsskål), Lutjanusquinquelineatus (Bloch) and Lutjanusrussellii (Bleeker) from Nouméa, New Caledonia (Kritsky 2012). Lutjanusfulvus and Lutjanuskasmira (Forsskål) from French Polynesia and Hawaiian Islands (all as Euryhaliotremachrysotaeniae ) (Vignon et al 2009).…”
Section: Resultsmentioning
confidence: 99%
“…Plaisance and Kritsky (2004) erected the genus Euryhaliotrematoides and transferred several species of Haliotrema to this genus, including Euryhaliotrematoidesgrandis . Recently, Kritsky (2012) proposed the synonymy of Euryhaliotrematoides with Euryhaliotrema . As a consequence, Euryhaliotrematoidesgrandis was transferred to Euryhaliotrema as Euryhaliotremagrandis .…”
A survey of the monogeneans of fishes from the lagoon flats of Palmyra Atoll detected 16 species already reported from the Indo-West Pacific faunal region. A total of 653 individual fish from 44 species were collected from the sand flats bordering the lagoon of the atoll. Eighteen species of fish were infected with monogeneans. The monogenean species recovered were: Benedenia
hawaiiensis on Acanthurus
xanthopterus, Chaetodon
auriga, Chaetodon
lunula, Mulloidichthys
flavolineatus, Pseudobalistes
flavimarginatus and Rhinecanthus
aculeatus; Ancyrocephalus
ornatus on Arothron
hispidus; Euryhaliotrema
annulocirrus on Chaetodon
auriga and Chaetodon
lunula; Euryhaliotrema
chrysotaeniae on Lutjanus
fulvus; Euryhaliotrema
grandis on Chaetodon
auriga and Chaetodon
lunula; Haliotrema
acanthuri on Acanthurus
triostegus; Haliotrema
aurigae on Chaetodon
auriga and Chaetodon
lunula; Haliotrema
dempsteri on Acanthurus
xanthopterus; Haliotrema
minutospirale on Mulloidichthys
flavolineatus; Haliotrematoides
patellacirrus on Lutjanus
monostigma; Neohaliotrema
bombini on Abudefduf
septemfasciatus and Abudefduf
sordidus; Acleotrema
girellae and Acleotrema
parastromatei on Kyphosus
cinerascens; Cemocotylella
elongata on Caranx
ignobilis, Caranx
melampygus and Caranx
papuensis; Metamicrocotyla
macracantha on Crenimugil
crenilabris; and Pseudopterinotrema
albulae
on Albula
glossodonta. All these monogenean–host combinations represent new geographical records. The monogenean species composition of the Palmyra Atoll is similar to that of the Hawaiian Islands. However, the number of species recovered was lower compared with other localities within the Indo-West Pacific, perhaps due to the geographical isolation of Palmyra Atoll.
Three species of Euryhaliotrema Kritsky & Boeger, 2002 (Monogenoidea: Dactylogyridae) were collected from the gills of four golden snapper Lutjanus johnii (Bloch) (Lutjanidae) from the marine and brackish waters off Darwin, Northern Territory, Australia. Type-specimens of Ancyrocephalus johni Tripathi, 1959 apparently have not survived and the possibility existed that the species was based on specimens representing more than one species. Euryhaliotrema johni (Tripathi, 1959) (sensu Young, 1968) was redescribed and determined to most likely represent A. johni, originally described from the River Hooghly, Diamond Harbour, India. Two new species were described. Euryhaliotrema longibaculoides n. sp. was most similar to Euryhaliotrema longibaculum (Zhukov, 1976) Kritsky & Boeger, 2002 from Lutjanus spp. from the western Atlantic Ocean. It differed from E. longibaculum by having a male copulatory organ (MCO) with an elongate comparatively delicate shaft and a bulbous base (MCO U- or J-shaped with funnel-shaped base in E. longibaculum). Based on the comparative morphology of the haptoral sclerites, Euryhaliotrema lisae n. sp. was most similar to Euryhaliotrema cryptophallus Kritsky & Yang, 2012 from the gills of the mangrove red snapper Lutjanus argentimaculatus (Forsskål) from the South China Sea. Euryhaliotrema lisae differed from E. cryptophallus by having a copulatory complex with an obvious weakly sclerotised J-shaped MCO (MCO cryptic, delicate, and with a shaft comprising about one counterclockwise ring in E. cryptophallus).
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