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FISH HATCHERY MANAGEMENT 



Figure 93. Epistylis sp., living colony from rainbow trout, 690x magnification. 

 (Courtesy Charlie E. Smith, FWS, Bozeman, Montana.) 



Figure 94. Trichophyra sp. on gills of rainbow trout. Note extended food gather- 

 ing tentacles, 300x magnification. (Courtesy Charlie E. Smith, FWS, Bozeman, 

 Montana.) 



