From spring-fed headwaters to quiet, marshy creeks and from tannin-stained northern reaches to broad southern tributaries winding through farmland, Wisconsin is home to 84,000 miles of streams. This guide is the ultimate companion for learning about Wisconsin stream life. Developed by Wisconsin Department of Natural Resources scientists, with information provided by dozens of biologists and ecologists, Field Guide to Wisconsin Streams is accessible to anglers, teachers and students, amateur naturalists, and experienced scientists alike. More than 1,000 images illustrate the species in this field guide, augmented by detailed descriptions that include look-alikes, ecological and taxonomic notes, and distribution maps. It identifies: more than 130 common plants; all 120 fishes known to inhabit Wisconsin streams; 8 crayfishes; 50 mussels; 10 amphibians; 17 reptiles; 70 families of insects; other commonly found invertebrates.