Prevalence of Argulus foliaceus and fungal infections in some ornamental fishes [Discus (Symphysodon discus),dwarf gourami (Trichogaster lalius) and guppy (Poecilia reticulata)] in Isfahan city of Iran [İran'İn İsfahan kentinde argulus foliaseus ve mantar enfeksiyonlari̇n bazi̇ süs bali̇klari̇nda [Diskus (Symphysodon discus),cüce gurami (Trichogaster lalius) ve lepistes (Poecilia reticulata)] yaygi̇nli̇ǧi̇]

This study was aimed to determine the prevalence argulus foliaceus and some fungal diseases of ornamental fishes (discus,dwarf gourami and guppy) in isfahan,iran. the 90 ornamental fish from 2 pet fish supply store in isfahan city of iran were randomly selected. the study demonstrated that only 2 out of those 90 samples were infested with a. foliaceus. the highest infestation rate was in dwarf gourami (trichogaster lalius) (23.31%),and the lowest infestation rate was in guppy (poecilia reticulata) (6.66%). a total of 90 fishes of 3 species were examined. the contaminant fungal species were identified as acremonium sp.,aspergillus sp.,alternaria sp.,penicillium sp.,and saprolegnia sp.. fungal infection was observed in discus,dwarf gourami and guppy. according to the presented study,it is clear that a. foliaceus can act as a potential risk factor for natural ecosystems and native fish population of iran and other countries.