On account of the globally increasing need for fish, these are increasinglykept in aquaculture.On account of the proximity of the fish to one another, aquacultures of thistype are extremelysusceptible to pathogens, in particular pathogenic fungi. The inventionrelates to a use of atleast one fungicide selected from the group consisting of fenamidone andfluoxastrobin for theproduction of a composition against mycoses in fish and invertebrates and allstages ofdevelopment thereof, caused by fungi of the genera Saprolegnia.
