Crayfish are also known as crawdads, crawfish, mudbugs and freshwater lobsters. Crayfish keep streams cleaner by eating decaying plants and animals. They are eaten, in turn, by fish, birds, reptiles, ...

Creating the atlas involved extracting GPS coordinates from every modern crayfish occurrence record in scientific literature.

A new mapping project led by the West University of Timișoara, Romania and the University of Illinois Urbana-Champaign puts ...