Socio-ecological implications of black spot disease in European perch: linking parasite dynamics and angler behaviour in a large shallow lake

21.15109/ARP/UMUIYT Pallos, Réka Réka Pallos https://orcid.org/0009-0004-4700-1390 HUN-REN Balaton Limnological Research Institute Bánó, Bálint Bálint Bánó https://orcid.org/0000-0001-7734-4803 HUN-REN Balaton Limnological Research Institute Takács, Péter Péter Takács https://orcid.org/0000-0001-5247-7597 HUN-REN Balaton Limnological Research Institute Socio-ecological implications of black spot disease in European perch: linking parasite dynamics and angler behaviour in a large shallow lake ARP 2026 Earth and Environmental Sciences fish perch parasite citizen science trematode Lake Balaton Pallos, Réka Réka Pallos HUN-REN Balaton Limnological Research Institute 2026-03-25 2026-03-25 2026-04-07 10.5158/ARP/UMUIYT 21.15109/ARP/UMUIYT/NTQG5Z 21.15109/ARP/UMUIYT/ND4IHW 21.15109/ARP/UMUIYT/YPDJ6Z 21.15109/ARP/UMUIYT/0CMBEZ 21.15109/ARP/UMUIYT/Q4UMVG 21.15109/ARP/UMUIYT/O8M1HM 21.15109/ARP/UMUIYT/VKENOW 21.15109/ARP/UMUIYT/CT6TDZ 21.15109/ARP/UMUIYT/UKOLKW 21.15109/ARP/UMUIYT/F2AM8K 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image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg image/jpeg 1.2 Creative Commons Attribution-NonCommercial 4.0 International License. This dataset contains photographic data used to study parasitism in European perch (Perca fluviatilis) from Lake Balaton. We analyzed photographs to determine the location of parasites on the perch’s body, investigating both the prevalence and also the spatial distribution of Apophallus donicus in Lake Balaton. Additionally, we created a Hungarian questionnaire targeting the national perch-angling community (through social-media groups and fishing associations), though anyone with the link could participate.