Killing of nonnative fish halted |

Killing of nonnative fish halted


California Fish and Game’s plan to use a chemical this month to kill nonnative fish to make room for an endangered one in an Alpine County creek has been delayed.

A judge recently upheld an appeal filed by the Center for Biological Diversity to stop Fish and Game from using the chemical, Rotenone. Fish and Game wants to use it to allow the native Paiute cutthroat trout to flourish in a 5-mile section of Silver King Creek, a tributary to the East Fork of the Carson River.

The judge’s decision wasted hours of work and thousands of dollars and will push the project back probably until next fall when the water is low and best for Rotenone use, according to Capt. Roy Griffith, of Fish and Game. The Center for Biological Diversity could not be reached for comment.

Rotenone, a natural substance contained in the roots of tropical plants, was used with success in Silver King Creek in 1964, 1977 and in the early 1990s to kill nonnative rainbow trout to make room for the Paiute cutthroat, according to Fish and Game. Rainbow trout were stocked downstream of the creek in 1949.

— Gregory Crofton

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