The article discusses the regulatory framework for lobster fishing and the concerns surrounding the introduction of American crayfish into Dutch waterways. This situation arose after an angling club in Ede caught 11,000 crayfish from a pond in a single month. The potential ecological impact and possible contribution of crayfish to a dike breach in Utrecht have sparked interest from politicians and require further investigation. The Ministry of Agriculture, Nature and Food Quality is considering various control strategies and is engaged in ongoing research to develop a effective management approach for these exotic species.