Following are the major cause of the Fish Extinction in USA -
1 Surface water diversions
2 Pollution
3 Agriculture
4 Aquifer Depletion and Wetland Conversion
5 Urbanization
6 Mining, Oil, Gas Activities
7 Grazing, Other Ranching Activities
8 Logging
8 Roads
9 Genetic Problems
10 Recreation and Tourism
11 Industrial, Military Activities
12 Native Species Interactions
13 Harvest
14 Modified Fire Regimes
15 Vandalism
16 Disease
