Zástupci rodu Compsopogon (Rhodophyta) jsou tropické druhy řas. Ve střední Evropě se nacházejí v akváriích a v tocích, ovlivněných vypouštěním oteplených odpadních vod. Druh Compsopogon aeruginosus byl nalezen v rakouském přítoku řeky Dyje Pulkavě. Od prvního nálezu v roce 2007 se tato ruducha šířila i do řeky Dyje. V červnu 2012 byla nalezena ve Skryjském potoce, který přivádí odpadní vody z jaderné elektrárny Dukovany. Odpadní voda v době nálezu měla průměrnou roční teplotu 22,8°C, pH 8,5.

Použitá a citovaná literatura:
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The representatives of the genus Compsopogon (Rhodophyta) are basically tropical algae. In Central Europe, they are only found in aquaria and in water bodies affected by thermal effluents. The species Compsopogon aeruginosus was found in the Pulkau River (Austria), a tributary of the Thaya. After the first observation of this species in 2007, it also expanded to the Thaya. In June 2012 it was found in the Skryjský stream which is fed waste water from the Dukovany nuclear power station. At the time of this finding, the waste water had an annual average temperature of 22.8 ° C, pH 8.5.