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The mode of hatching of the monogenean Entobdella soleae, a skin parasite of the common sole (Solea solea)

Published online by Cambridge University Press:  06 April 2009

Graham C. Kearn
Graham C. Kearn
Affiliation:
School of Biological Sciences, University of East Anglia, Norwich, NR4 7TJ
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Extract

Observations have been made on the hatching behaviour of the larva of the monogenean Entobdella soleae and on the effects of various enzymes on the opercular cement of the egg. These observations indicate that hatching is brought about by a proteolytic hatching fluid which is produced by two pairs of ventral head glands and spread over the inner surface of the opercular joint by rotation of the larva about its longitudinal axis. After hatching there is no trace of the ventral head glands. Similar glands are present before hatching in the oncomiracidium of E. hippoglossi.

Type
Research Article
Information
Parasitology , Volume 71 , Issue 3 , December 1975 , pp. 419 - 431
Copyright
Copyright © Cambridge University Press 1975

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