Some investigations on molds and yeasts associated with tail and fin rot in freshwater fish in Egypt

Different species of molds and yeasts were isolated from fins and skin of Tilapia and Nile Catfishes cultured at different localities in Egypt. The fish were naturally infected with tail and fin rot disease. The isolated molds included Saprolegnia sp.; Aspergillus flavus and Aspergillus niger; Penicillium sp.; Fusarium sp.; Alternaria alternata; Mucor sp.; Chladosporium sp. and Rhizopus sp., while the isolated yeats included Rhodotorulla sp.; Torulopsis sp.; Cryptococcus sp. and Candida albicans