Field Notes
U.S. Fish & Wildlife Service
Field Notes Entry   
San Bernardino National Wildlife Refuge Salvages Stock Tanks on Private Land for Native Fish
Southwest Region, April 8, 2013
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Yaqui beautiful shiner (Cyprinella formosa)
Yaqui beautiful shiner (Cyprinella formosa) - Photo Credit: W.R. Radke

For the second time in less than six months, refuge staff and volunteers salvaged stock tanks on a neighboring ranch for native fish, the Yaqui chub and Yaqui beautiful shiner, both Federally-listed under the Endangered Species Act. The tanks have been gradually drying over the last couple of years due to extreme drought conditions in Southeastern Arizona, but until last fall, the situation was not critical. In November of 2012, over three hundred Yaqui chub and a handful of Yaqui beautiful shiner were salvaged, this month it was the reverse with over 250 Yaqui beautiful shiner and about 100 Yaqui chub being salvaged. In addition to the salvage of the native fish, conditions were taken advantage of to remove the non-native American bullfrog tadpoles. The bullfrog is a voracious predator which is believed to be responsible for decimating the populations of two native species; the Chiricahua leopard frog and the Mexican gartersnake.

Contact Info: Christopher Lohrengel, 520-364-2104 x.106, chris_lohrengel@fws.gov
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