Endangered Species
Midwest Region

 

 

Map of the eight states in the Midwest Region: Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio and Wisconsin.

The Midwest Region includes Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio and Wisconsin. Find a location near you

 


Endangered Species Program

Conserving and restoring threatened and endangered species and their ecosystems

 


Great Lake Restoration Initiative logo

Snuffbox (Epioblasma triquetra)

Status: Endangered

Snuffbox mussel. Photo by G. Thomas Watters; Ohio State University

The population of the snuffbox mussel, in terms of range and numbers, appears to have declined by at least 90 percent.

Photo by G. Thomas Watters, Ohio State University

 

Status: Endangered, listed February 14, 2012 Adobe PDF Icon

 

Habitat: Medium to large rivers in mud, sand, or gravel

 

Lead Region: 3

 

Region 3 Lead Office: Twin Cities Field Office

 

Range: Arkansas, Minnesota, Missouri, Oklahoma, Wisconsin

 

The snuffbox is a small, triangular freshwater mussel that is found in Alabama, Arkansas, Illinois, Indiana, Kentucky, Michigan, Minnesota, Missouri, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and Wisconsin. It lives in small to medium-sized creeks in areas with a swift current, although it is also found in Lake Erie and some larger rivers.

 

Recovery

5-Year Review Adobe PDF Icon

 

Endangered Listing Rule

 

News Release (Feb. 13, 2012): U.S. Fish and Wildlife Service Lists Two Freshwater Mussels as Endangered Species

 

Federal Register Final Rule: Endangered and Threatened Wildlife and Plants; Listing the Rayed Bean and Snuffbox as Endangered (Feb. 14, 2012)

 

Questions and Answers: Rayed Bean and Snuffbox Mussels Listed as Endangered (Feb. 2012)

 

Snuffbox Fact Sheet (Feb. 2012)

 

Information about the Rayed Bean

 

Links to Additional Information

Michigan Natural Features Inventory Abstract (2-page PDF)

 

Dr. Chris Barnhart's Unio Gallery - includes photos and video

 


 

Midwest Endangered Species Home

 

 

Last updated: February 25, 2019