Ichthyophthirius multifiliis infection in a Black tetra (Gymnocorymbus ternetzi) [Siyah tetra bali{dotless}ǧi{dotless}nda (Gymnocorymbus ternetzi) ichthyophthirius multifiliis enfeksiyonu]

In this case,the macroscopic and microscopic findings of a black tetra (gymnocorymbus ternetzi),infected with ichthyophthirius multifiliis were described. macroscopically,there were white spots in the different sizes on the skin of head and back,and increase amount of mucus on the skin and gills of fish. microscopically,the parasites were found on the epidermis of operculum and gill lamellae. gills showed the hyperplasia between the chlorid cells and adhesions in the secondary lamellae.