| Kováts, N.: European Lakes under Environmental Stressors – Special Foreword | 1 |
| Ferincz, Á., Staszny, Á., Ács, A., Weiperth, A., Tátrai, I. and Paulovits, G.: Long-term development of fish assemblage in Lake Fenéki (Kis-Balaton Water Protection System, Hungary): succession, invasion and stabilization | 3 |
| Staszny, Á., Ferincz, Á., Weiperth, A., Havas, E., Urbányi, B. and Paulovits, G.: Scale-morphometry study to discriminate Gibel Carp (Carassius gibelio) populations in the Balaton-Catchment (Hungary) | 19 |
| Bódis, E., Borza, P., Potyó, I., Puky, M., Weiperth, A. and Guti, G.: Invasive mollusc, crustacean, fish and reptile species along the Hungarian stretch of the River Danube and some connected waters | 29 |
| Vad, Cs. F., Horváth, Zs., Kiss, K. T. and Ács, É.: Microcrustacean (Cladocera, Copepoda) communities in artificial lakes in the region of the North Hungarian Mountains, with special reference to the adventive species | 47 |