Paracanthocephalus rauschi sp. n. (Acanthocephala: Paracanthocephalidae) from grayling, Thymallus arcticus (Pallas), in Alaska

Paracanthocephalus rauschi sp. n. is described from grayling, Thymallus arcticus, and incidentally in otter, Lutra canadensis, from Alaska. It is most similar to P. tenuirostris Achmerov and Dombrovskaja-Achmerova, 1941, differing from it in having eggs 65–88 microns long rather than 40–41 microns l...

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Bibliographic Details
Published in:Canadian Journal of Zoology
Main Author: Schmidt, Gerald D.
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1969
Subjects:
Animal Science and Zoology
Ecology, Evolution, Behavior and Systematics
Thymallus arcticus
Alaska
Online Access:http://dx.doi.org/10.1139/z69-071
http://www.nrcresearchpress.com/doi/pdf/10.1139/z69-071
Description
Summary:Paracanthocephalus rauschi sp. n. is described from grayling, Thymallus arcticus, and incidentally in otter, Lutra canadensis, from Alaska. It is most similar to P. tenuirostris Achmerov and Dombrovskaja-Achmerova, 1941, differing from it in having eggs 65–88 microns long rather than 40–41 microns long, and hooks on the female up to 167 microns long rather than up to 119 microns long. A key to the species in Paracanthocephalus is included.

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