Generally, 2 to 4 inches; can grow to 6 inches. To report sightings of red swamp crayfish, collect and freeze a sample or take photos, note the location, and email information to Kathleen Quebedeaux, ...

The Michigan Department of Natural Resources, or DNR, has confirmed the presence of invasive red swamp crayfish in Van Buren County.

Crawfish can accumulate lithium, an environmental contaminant that is expected to increase as battery use grows, and that could affect the people who eat them.

Media Contact Gillian Dugan gillian_dugan@yahoo.co.uk Office: 44-079-840-30231 ...

The highly endangered white-clawed crayfish is being reintroduced to Swiss rivers after alarming population decline.