parasites of juvenile brook trout (salvelinus fontinalis) from hunt creek, michigan. | four parasite species (crepidostomum cooperi, cystidicoloides ephemeridarum, acanthocephalus dirus, salmincola edwardsii) infected 215 juvenile brook trout (105 young-of-year; 110, 1-yr-old) from hunt creek, michigan, in 2003, 2004, and 2005. prevalences of these species in 2004 (main study year) varied from 29 to 37%. crepidostomnum cooperi had the highest mean intensity and mean abundance, followed by c. ephemeridarum. the number of fish infected with each parasite species was significantly hi ... | 2007 | 17539413 |