In recent years, whale entanglements have grown in number in the southern portion of the Dungeness crab fishery, and earlier in the season. The Government of California plans to implement closures as a way to mitigate the problem.
See: https://wildlife.ca.gov/Fishing/Ocean/Regulations/Inseason
Featured Bycatch Species

The main threat to the franciscana is bycatch in gillnet fisheries in its native coastal waters of Argentina, Brazil, and Uruguay.