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From Missouri Conservationist: Jan 1999


St. Francis Crayfish

The St. Francis crayfish lives only in tributaries of the St. Francis River in St. Francois, Iron, Madison and Wayne counties of Missouri. Because of its small home range, this species is extremely vulnerable to extinction from pollution and other threats. Researchers from the Conservation Department and the University of Missouri are studying this species' biology, distribution and habitat. The St. Francis River crayfish faces competition from a more aggressive, introduced species of crayfish, which has already displaced it from most of one stream, Stouts Creek. -- Jim Rathert

This Issue's Staff

Editor - Tom Cwynar
Assistant Editor - Charlotte Overby
Managing Editor - Jim Auckley
Art Editor - Dickson Stauffer
Designer - Tracy Ritter
Artist - Dave Besenger
Artist - Mark Raithel
Photographer - Jim Rathert
Photographer - Cliff White
Staff Writer - Jim Low
Staff Writer - Joan McKee
Composition - Libby Bode Block
Circulation - Bertha Bainer