[ORGANIZATION]
Waterschap Rivierenland
Featured in 1 tracked story · first seen
Situations
Invasive crayfish spread in Europe
2 clusters · 7 sources · last updated
Latest: Crayfish Conservation in England and Invasive Species Alert in the Netherlands
In late July 2026, Dutch authorities confirmed the detection of a ninth invasive river‑crayfish species, the calicotrivierkreeft, through e‑DNA testing, prompting a government‑led working group to assess control measures