The Oasis Valley speckled dace is one of four populations of the Amargosa speckled dace (Rhinichthys nevadensis nevadensis), with the others living in Ash Meadows National Wildlife Refuge in Nevada ...

LOS ANGELES— The Center for Biological Diversity sued the U.S. Fish and Wildlife Service today for failing to protect two populations of imperiled speckled dace under the Endangered Species Act. The ...