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@proceedings{871161,
author = {Řehulková, Eva and Justine, JeanandLou and Gelnar, Milan},
booktitle = {6th International symposium on Monogenea},
keywords = {Dactylogyridae; New Caledonia; Monogenea; Hoplichthys citrinus; Diplectanotrema; Pseudempleurosoma; Neodiplectanotrema; Paradiplectanotrema; Pseudodiplectanotrema; Metadiplectanotrema; Enterogyrus},
language = {eng},
title = {Endoparasitic dactylogyrids (Monogenea) from the fish digestive system: a new species from the oesophagus of Hoplichthys citrinus (Scorpaeniformes) off the Chesterfield Islands, New Caledonia},
year = {2009}
}
TY - CONF
ID - 871161
AU - Řehulková, Eva - Justine, Jean-Lou - Gelnar, Milan
PY - 2009
TI - Endoparasitic dactylogyrids (Monogenea) from the fish digestive system: a new species from the oesophagus of Hoplichthys citrinus (Scorpaeniformes) off the Chesterfield Islands, New Caledonia
KW - Dactylogyridae
KW - New Caledonia
KW - Monogenea
KW - Hoplichthys citrinus
KW - Diplectanotrema
KW - Pseudempleurosoma
KW - Neodiplectanotrema
KW - Paradiplectanotrema
KW - Pseudodiplectanotrema
KW - Metadiplectanotrema
KW - Enterogyrus
N2 - The large majority of monogeneans are branchial or cutaneous ectoparasites and relatively few of them are known to parasitise internal organs. Among those of the Dactylogyridae, seven genera (i.e. Diplectanotrema, Pseudempleurosoma, Neodiplectanotrema, Paradiplectanotrema, Pseudodiplectanotrema, Metadiplectanotrema, and Enterogyrus) have been proposed to accommodate species colleted from the digestive systems of freshwater and marine fishes. During recent surveys of helminth parasites of marine fishes off New Caledonia, South Pacific, 20 specimens of conspecific monogeneans were recovered from the oesophagus of the deep sea fish Hoplichthys citrinus Gilbert (Hoplichthyidae) collected in the region of the Chesterfield Islands (Coral Sea, about halfway between New Caledonia and Australia). Their detailed study has shown that they represent a previously undescribed species of dactylogyrids belonging to so-called diplectanotrema-group. The specimens found were preliminary assigned to Pseudempleurosoma based on the following features observed on them: thick tegument with transverse ridges, tandem gonads (ovary pretesticular), a vas deferens looping the left intestinal caecum, a sclerotised copulatory organ without an accessory piece, ventral and dorsal anchor/bar complexes, a dorsal bar formed as 2 bilateral sclerotised rudiments, and 7 pairs of similar hooks with protruding thumb and slender shaft. However, re-examination of the type specimens of Diplectanotrema balistes, Pseudempleurosoma carangis, and vouchers of Paradiplectanotrema lepidopi showed that the type species of these genera share much more common features than it was believed earlier, and therefore it is likely that all these genera are synonyms.
ER -
ŘEHULKOVÁ, Eva, Jean-Lou JUSTINE a Milan GELNAR. Endoparasitic dactylogyrids (Monogenea) from the fish digestive system: a new species from the oesophagus of Hoplichthys citrinus (Scorpaeniformes) off the Chesterfield Islands, New Caledonia. In \textit{6th International symposium on Monogenea}. 2009.
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