Originally Posted by slt wtr stupid http:///forum/post/2685364
title says it all what are the differences?
I think they are shorthand for the same parasite, although I understand that fw ich(or ick) differs somewhat from the sw type.
Ich or Ick is used to describe the same disease in marine fish caused by Cryptocaryon. Fresh water Ick is caused by Ichthyophthirius multifiliis similer but not the same