Red List Category:
Major Threats : Bycatch is the major threat and the extraction of gravel in the Garonne is a potential threat to the species. Dam construction, pollution and river regulation have led to loss and degradation of spawning sites.
An ongoing in situ conservation programme is in place. Ex-situ conservation is carried out in France and Germany.There is a fisheries awareness programme co-ordinated between National Fishermen Associations in Atlantic North Sea and WWF.This species was listed on CITES Appendix II in 1975, and moved to Appendix I in 1983.