Clonorchis sinensis (Chinese liver fluke)

 Images:
Adult:
http://www.k-state.edu/parasitology/625tutorials/Clonor01.html
Eggs:
http://www.k-state.edu/parasitology/625tutorials/Clonor02.html
Comparison of preserved specimen and line drawing:
http://www.k-state.edu/parasitology/625tutorials/Trematodes08.html

 PHYLOGENY:
Subclass Digenea, Order Opisthorchiata

Preferred definitive host:
Humans

Reservoir hosts:
Dogs and cats are probably most important. Others may include pigs, rats, and camels.

Vector/intermediate host:
#1. Snail-Genus Parafossarulus manchouricus: #2. Fish-mostly cyprinids.

Geographical location:
Japan, Korea, Taiwan, Vietnam

Organs affected:
Bile duct and liver

Symptoms and clinical signs:
Erosion of epithelial lining and fibrosis of the liver occur. Symptoms include ascites, bile retention, gallstone formation, indigestion, diarrhea, and hepatomegaly.

Treatment:
Praziquantel.

Parasites follow the food chain: