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1 January 1989 Metacercariae of Diplostomum spathaceum in the Eyes of Fishes from Yellowstone Lake, Wyoming
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Abstract

Fish were collected from Yellowstone Lake, Wyoming (USA). Metacercariae of Diplostomum spathaceum was found in the lens of 11 of 12 longnose suckers (Catostomus Catostomus). The mean number of metacercariae per sucker was 59 and the average age of the fish was 11.6 yr. There was no correlation between age and intensity of parasites (r = 0.24). Of 10 cutthroat trout (Salmo clarki) examined, there were metacercariae present in six. The metacercariae were found outside of the lens tissue in the trout; they occurred in the vitreous humor and the retina. These may be a different species from those found in the suckers.

Dwyer and Smith: Metacercariae of Diplostomum spathaceum in the Eyes of Fishes from Yellowstone Lake, Wyoming
William P. Dwyer and Charlie E. Smith "Metacercariae of Diplostomum spathaceum in the Eyes of Fishes from Yellowstone Lake, Wyoming," Journal of Wildlife Diseases 25(1), (1 January 1989). https://doi.org/10.7589/0090-3558-25.1.126
Received: 8 June 1982; Published: 1 January 1989
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