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Life history of Genarchopsis goppo Ozaki, 1925 (Trematoda: Hemiuridae) from the freshwater fish Channa punctata

Published online by Cambridge University Press:  05 June 2009

R. Madhavi
Affiliation:
Department of Zoology, Andhra University, Waltair 530003, India

Abstract

The life cycle of Genarchopsis goppo a hemiurid trematode found in the stomach of Channa punctata has been worked out in detail. The egg contains a fully developed miracidium at the time of liberation. The miracidium contains a ciliated covering, a long apical gland and a crown of spines at the anterior end. The snail Amnicola travancorica acts as the first intermediate host inside which the miracidium passes through sporocyst and redial generations. The cercaria is of cystophorous type and is identical to Cercariae Indicae Sewell XXXV. Metacercaria occurs in the ostracods Stenocypris malcolmsoni and Eucyoris capensis. The fish Aplocheilus panchax serves as the paratenic host. The entire developmental cycle from egg to egg producing adult takes 3 months.

Type
Research Papers
Copyright
Copyright © Cambridge University Press 1978

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