The white-legged crayfish has benefited from a Safeguard Aquitain Program since May 2012. It was worn in 2018 by FDAAPPMA 33 under the supervision of DREAL Aquitaine. The 2018 PRA, as a continuation of the 2013-2017 PRA, must contribute to the preservation of this species through the implementation of: — 9 Knowledge Improvement Actions on the status of the species’ populations, habitat, range;- 1 Exotic Crayfish Control Actions;- 7 Communication and Awareness Actions.