Environment Agency seizes illegal traps threatening crayfish and

DFO monitoring an invasive crayfish species found in N.S. lake - Halifax

Environment Agency delivers warning to anglers tempted to use illegal crayfish traps

Lake Sturgeon Recovery Strategy

I'm one of the only Londoners allowed to catch crayfish to earn a living' - MyLondon

Invasive crayfish cannot be controlled through trapping •

PDF) Managing invasive crayfish: Is there a hope?

Three illegal crayfish traps seized from Fenland waterway

Environment Agency seizes illegal traps threatening crayfish and eel - BBC News

Federal Register :: Endangered and Threatened Wildlife and Plants; Threatened Species Status With Section 4(d) Rule for Big Creek Crayfish and St. Francis River Crayfish and Designation of Critical Habitat