•
Cyprinodon nevadensis nevadensis, the
Saratoga Springs pupfish, is the nominate subspecies. It was originally limited to
Saratoga Springs in
Death Valley National Park. A population was introduced at
Lake Tuendae in
Zzyzx, California, but it may not have survived there. •
Cyprinodon nevadensis amargosae, the
Amargosa River pupfish or Amargosa Pupfish, was originally endemic to two sections of the lower
Amargosa River. In 1940, a population was introduced at River Springs in
Mono County, California. •
Cyprinodon nevadensis mionectes, the Ash Meadows pupfish or Ash Meadows Amargosa pupfish, is listed as
endangered under the
Endangered Species Act. It is limited to
Ash Meadows National Wildlife Refuge in Nevada. •
Cyprinodon nevadensis pectoralis, the Warm Springs pupfish, is also listed as endangered under the ESA. It is restricted to six springs inside the Ash Meadows National Wildlife Refuge . •
Cyprinodon nevadensis shoshone, the
Shoshone pupfish, is listed as a
Species of Concern by the
United States Fish and Wildlife Service. The fish is limited to
Shoshone Spring, near the town of
Shoshone, California, and possibly parts of the Amargosa River. • †
Cyprinodon nevadensis calidae, the
Tecopa pupfish, was declared
extinct in 1981, and was the first taxon to be removed from the endangered species list due to extinction. ==References==