L. Forró szerk.: Miscellanea Zoologica Hungarica 8. 1993 (Budapest, 1993)

Vida, A.: Threatened fishes of the Szigetköz

Table 2. Comparative ichthyofaunistic analysis of the main water types in Szigetköz (*The categories are used after Lelek 1987) Water types in Szigetköz Total number of fish species Number of nationally protected species Number of threatened species* (endangered, rare, •vulnerable) Number of species endangered in Europe* Main channel 57 13 (23%) 41 (72%) 14 (25%) Flood plain backwaters 52 10(19%) 36 (69%) 7(13%) Irrigation canals 27 7 (27%) 16 (59%) 3(11%) Disconnected backwaters 23 6 (26%) 14(61%) 3(13%) Mosoni-Duna 54 13 (24%) 38 (70%) 11 (20%) Table 3. Comparative ichthyofaunistic analysis of the two submontane-zones (Szigetkőz and Rába river, above Körmend) (•The categories are used after Lelek 1987) Submontanezone, all water type« Total number of fish species Number of nationally protected species Number of threatened species* (endangered, rare, vulnerable) Number of species endangered in Europe* Szigetköz 65 16 (25%) 47 (82%) 14 (22%) Rába 53 9(17%) 36 (68%) 7(13%)