Thorny-headed worms

Neoechinorhynchus (Neoechinorhynchus) zabensis sp. n. (Acanthocephala: Neoechinorhynchidae) from freshwater fish in northern Iraq

Publication Type:Journal Article
Year of Publication:2003
Authors:O. M. Amin, Abdullah, S. M. A., Mhaisen, F. T.
Journal:Folia ParasitologicaFolia Parasitol.
Pagination:293 - 297
Date Published:2003///
ISBN Number:00155683 (ISSN)
Keywords:Acanthocephala, Acanthocephalus, animal, animal parasitosis, Animalia, Animals, article, Capoeta, Capoeta damascina, Capoeta trutta, classification, Cyprinidae, Cypriniformes, Female, fish disease, Fish Diseases, Fresh Water, Helminthiasis, Animal, histology, Iraq, Male, Neoechinorhynchidae, Neoechinorhynchus, Neoechinorhynclus zabensis, Parasitology, Zab River

Neoechinorhynclus (Neoechinorhynclus) zabensis sp. n. (Acanthocephala: Neoechinorhynchidae) is described from Capoeta damascina (Valenciennes, 1842) (type host) and Capoeta trutta (Heckel, 1843) in the Greater and Lesser Zab Rivers, northern Iraq. The new species is unique among all other species of the genus by its characteristic paired para-vaginal muscular appendage and fragmented giant nuclei in the lemnisci. Eleven of the other 88 valid species of Neoechinorhynchus and N. zabensis have middle and posterior hooks of equal length. However. N. zabensis is distinguished from the others the size of trunk, proboscis, proboscis hooks and lemnisci, number of giant nuclei, position of female gonopore, and geographical and host distribution. It is also distinguished from six other species of Neoechinorhynchus previously reported from Iraq. Other distinguishing features are also included.

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