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A new species of acanthocephala, Neoechino-rhynchus topseyi n.sp., from a Calcutta fish, Polynemus heptadactylus (Cuv. & Val.)

Published online by Cambridge University Press:  06 April 2009

T. N. Podder
T. N. Podder
Affiliation:
Professor of Zoology, Carmichael Medical College, Calcutta
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Extract

During the course of my investigation of the parasitic infection of various fishes of the Calcutta markets, I came across a new acanthocephalan parasite, Neoechinorhynchus topseyi, from the intestine of Polynemus heptadactylus, commonly known in Bengal as Topsey or mango-fish. The host was available in the local market during the months of February-August, and infection with this parasite marked during May-July. A single case was, however, noticed in August 1935 when after the intestine was taken out a portion of the threadlike parasite was seen hanging from its anal region. The intestine was slit open and it was found that one gravid female measuring 69 × 1· mm. was the only occupant of the entire lumen of the gut. The parasite was attached by means of its proboscis to the anterior part of the intestine near the duodenum.

Type
Research Article
Information
Parasitology , Volume 29 , Issue 3 , June 1937 , pp. 365 - 369
Copyright
Copyright © Cambridge University Press 1937

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