The mycoflora developing on the spawn of nine species of amphibians wa
s investigated under laboratory conditions. Fifty-two zoosporic fungus
species were found to grow on the spawn investigated, including 6 chy
tridiomycetes, 1 hyphochytriomycete, 44 oomycetes and 1 zygomycete fun
gus. Out of these 52 species, 23 are known as parasites or necrotrophs
of fish. Five fungus species were recorded for the first time from Po
land.