• Pathogenic endoparasitic platyhelminth commonly known as Liver fluke.

• Causing the disease liver rot.

• Digenetic parasite with sheep as primary host and pond snail as secondary host.

• Body soft, dorso ventrally flattened with an anterior conical projection called ‘Oral cone’.

• The oral sucker and ventral sucker (acetabulum) serves as adhesive organ for attachment to host.

• Highly complex life cycle with 5 larval stages namely – Miracidium, Sporocyst, Redia, Cercaria and Metacercaria.

• Exhibit polyembryoni.