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Echinochasmus metacercariae are seen commonly in gills of many freshwater fish in Oregon - dace, chub, pikeminnow, whitefish etc. The immature trematode has a distinct ring of spikes around its oral sucker. Fish are one of the intermediate hosts; the final host is probably a bird. |
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Hosts: Many freshwater fish in Oregon
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Detection Method:
microscopic exam - wet mount Target tissue: gills |