Detalle de: Histopathological changes in turbot Scophthalmus maximus due to a histophagous ciliate

Histological examination of moribund specimens of turbot grow-out facilities in northwest Galicia (Spain) revealed lesions severe enough to be responsible for the diseased condition and death of many fish.The lesions were caused by 2 agents, the microsporidian Tetrarnicra brevifjlum, already described from the same host farmed in the same region and a histophagous ciliate.Both agents were found In mlxed infections; the dominant role in pathogenesls was played by the histophagous ciliate which was tentatively assigned to the subclass Hymenostomata, order Scuticociliatida Small, 1967