The hotspot map of invasive alien fish species across large rivers in Romania, using a greyscale with values from 1 (light) to 60 (dark) to present the number of occurrences in a 10 km radius.

 
 
  Part of: Drăgan O, Rozylowicz L, Ureche D, Falka I, Cogălniceanu D (2024) Invasive fish species in Romanian freshwater. A review of over 100 years of occurrence reports. NeoBiota 94: 15-30. https://doi.org/10.3897/neobiota.94.117313