Ecology

Biology

Fish <Actinopterygii>

Taxonomy (biology)

Fishery

Intermediate host

Catostomus

Larva

Sucker

Life history

Zoology

Host (biology)

Snail

Canadian Journal of Research/Canadian journal of research

A trematode, widely distributed in Canada, and occurring in man and other fish-eating mammals, is described and its taxonomy discussed. Its life cycle has been worked out and it is shown to involve a snail, Amnicola limosa porata as first intermediate host and a fish, the common sucker (Catostomus commersonii) as the second intermediate host. The larval stages are described.

THE MORPHOLOGY, TAXONOMY, AND LIFE HISTORY OF <i>METORCHIS CONJUNCTUS</i> (COBBOLD, 1860)

THE MORPHOLOGY, TAXONOMY, AND LIFE HISTORY OF METORCHIS CONJUNCTUS (COBBOLD, 1860)