p. 139 - 142 TUMEUR SIGNALEE CHEZ LE TURBOT SCOPHTHALMUS MAEOTICUS (PALLAS, 1831) DU LITTORAL ROUMAIN DE LA MER NOIRE Elena Dumitrescu Institut Roumain de Recherches Marines Constanta Abstract Some cutaneous tumours have been found at the turbot - Scophthalmus maeoticus (Pallas, 1831) caught in May 1991 in the area limitrophe to Neptun resort on the Romanian littoral. That disease affected 20% of the fish studied. Pathogenic bacteria belonging to genera Aeromonas and Vibrio have been isolated from the tumour, liver and intestine.