Research Interests

• Diagnostics of pathogen-related diseases of aquatic animals
• Occurrence and spread of pathogens in wild fish stocks
• Characterization of emerging fish parasites
• AI-supported assessment of histological samples

Fields of activity

• responsible veterinarian for diagnostics and treatment of farmed and ornamental fish
• case-based research
• teaching at the Vetmeduni, as well as for professionals in the aquaculture industry, wild fish stakeholders and the public
• supervision of prae- and postdoc students
• speaker at national and international conferences
• publications in national and international journals on current topics related to diseases of aquatic animals
• reviewer tasks, organization and implementation of fish health-related postgraduate training courses, member of several scientific organizations

Selected publications

Lewisch, E; Arnold, F; Fuehrer, HP; Harl, J; Reichart, U; Handschuh, S; Thielen, F;  El-Matbouli, M (2021) First description of freshwater mite Unionicola sauerensis sp. nov. infesting thick- shelled river mussel Unio crassus. Dis Aquat Organ 145: 63-77

Lewisch, E; Gumpenberger, M; Amesberger-Freitag, A; El-Matbouli, M (2018) Preliminary Radiographic Observations of Vertebral Changes in Discus (Symphysodon discus) J Zoo Wildlife Med 49: 1016-1020                                                                                  

Lewisch, E; Unfer, G; Pinter, K; Bechter, T; El-Matbouli, M (2018) Distribution and prevalence of T. bryosalmonae in Austria: A first survey of trout from rivers with a shrinking population. J Fish Dis 41(10): 1549-1557

Lewisch, E; Gorgoglione, B; Way, K; El-Matbouli, M (2015) Carp edema virus/Koi sleepy disease: an emerging disease in Central-East Europe. Transbound Emerg Dis 62(1):6-12                                                                                                                                                               
Lewisch, E; Soliman, H; Schmidt, P; El-Matbouli, M (2015) Morphological and molecular characterization of Thelohanellus hoffmanni sp. nov. (Myxozoa) infecting goldfish Carassius auratus auratus. Dis Aquat Organ  115(1): 37-46                        

Academic CV