Abstract
A new species of parasitic nematode, Collarinema eutriglae n. sp. (Cystidicolidae), is described from the stomach of the marine scorpaeniform fish Eutrigla gurnardus (Linnaeus), the grey gurnard (Triglidae), collected in the North Sea in the vicinity of the Shetland Islands (61°12′N, 00°30′E) during March, 2011. The new species, studied using both light and scanning electron microscopy, is characterised mainly by the structure of the mouth (small pseudolabia with terminal projections, submedian labia and well-developed sublabia not exceeding the labia externally), very small simple deirids, the length of the spicules (405–423 and 117–135 μm) and non-filamented eggs. Collarinema Sey, 1970 is considered a valid genus and an amended diagnosis is provided. Ascarophis collaris Petter, 1970 is transferred to Collarinema as C. collaris (Petter, 1970) n. comb.
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Acknowledgements
We wish to express our thanks to Beata Wiecaszek from the Department of Fish Systematics, West Pomeranian University of Technology, for supplying fish for parasitological surveys. Thanks are also due to the staff of the Laboratory of Electron Microscopy, Institute of Parasitology, BC ASCR, in České Budějovice, for their technical assistance, and to Blanka Škoríková of the same Institute for the help with illustrations. This study was partly supported by the research projects of the Institute of Parasitology, ASCR (Z60220518 and LC522).
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Moravec, F., Sobecka, E. Collarinema eutriglae n. sp. (Nematoda: Cystidicolidae), a new gastric parasite of the scorpaeniform fish Eutrigla gurnardus (Osteichthyes: Triglidae) in the North Sea, with remarks on the systematic status of Collarinema Sey, 1970. Syst Parasitol 81, 71–77 (2012). https://doi.org/10.1007/s11230-011-9330-y
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DOI: https://doi.org/10.1007/s11230-011-9330-y