Of the approximately 500 crayfishes (some times 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.

The Virginia Master Naturalist program is a statewide corps of volunteers providing education, outreach, and service dedicated to the beneficial management of natural resources and natural areas within their communities.

Volunteer teachers are important to Virginia Cooperative Extension (VCE). Volunteers convey information on a variety of topics by teaching or assisting with programs. Although there are many methods for delivering content, this publication will focus on a selection of teaching techniques to foster dialogue.