Population Estimates/Population Movements of Gila cypha, an Endangered Cyprinid Fish in the Grand Canyon Region of Arizona

Abstract

Michael E. Douglas, Paul C. Marsh, Population Estimates/Population Movements of Gila cypha, an Endangered Cyprinid Fish in the Grand Canyon Region of Arizona, Copeia, Vol. 1996, No. 1 (Feb. 2, 1996), pp. 15-28