What parasites live in or near the Rhine river?

The Rhine River is home to several parasites, including various species of protozoa, helminths, and ectoparasites. Notable examples include Giardia and Cryptosporidium, which can infect aquatic organisms and occasionally humans. Additionally, the river can host parasitic worms like schistosomes, particularly in warmer areas, and fish parasites such as flukes and nematodes that affect local fish populations. Ectoparasites like lice and leeches can also be found on fish and amphibians in the river's ecosystem.