I remember hearing Dianne Elliot or Bev Dixon, can't remember who, saying they were having a heck of a time with ICH at Salmon/trout haterchies and were working on meds/vaccines. Kathy On Mon, 17 Feb 2003, steev ward wrote: > Excuse the extra post but I misspelled the name in my previous message. > Anyway, > Ich is more common in coolwater and warmwater fish (like Bass and Catfish) > than > in coldwater fish like trout. Also it doesn't spread as well in streams and > rivers as it does in ponds, because it tends to get lost in the current. Its > OPTIMUM temperature (for best reproduction) is said to be 25 degrees C, 77 > degrees F. > > Steev >