USGS - science for a changing world

Upper Midwest Environmental Sciences Center

Home/ Overview/ Science Programs/ Data Library/ Products and Publications/States/ Rivers/Teachers and Students/ Links/ Contact/ Search

Paddlefish Study Project

Paddlefish: A species at risk

map of paddlefish range

Click here to animate this map.


Paddlefish have been lost from four states and Canada, and 11 of 22 states within the remaining species range now list the paddlefish as endangered, threatened, or a species of special concern.

Reasons for decline:

  • Overfishing - recent and historic
  • Modifications to large rivers - dams
  • Pollution
     
navigation button: main.html

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.umesc.usgs.gov/aquatic/fish/paddlefish/risk.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified: October 2, 2007

March 1, 2007