420-524 (CNRE-82P)

Authors as Published

Louis A. Helfrich, Department of Fisheries and Wildlife Sciences, Virginia Tech; and Robert J. DiStefano, Missouri Department of Conservation, Reviewed by Michelle Prysby, Virginia Master Naturalist Program Director, Virginia Tech

This publication is available in a PDF file format only.

Of the approximately 500 crayfishes (sometimes called crawdads or crawfish) found on earth, about 400 crayfish species live in waters in North America, and about 353, nearly 70 percent of the world’s total species, inhabit waters in the United States. 

Virginia Cooperative Extension materials are available for public use, reprint, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.

Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University, and the U.S. Department of Agriculture cooperating. Edwin J. Jones, Director, Virginia Cooperative Extension, Virginia Tech, Blacksburg; M. Ray McKinnie, Administrator, 1890 Extension Program, Virginia State University, Petersburg.

Publication Date

March 24, 2020