deanae during routine fish management operations related to the federally endangered RGSM. The U.S.
Native fishes in the Rio Grande, particularly the endangered RGSM and native longnose dace (Rhinichthys cataractae), appear to be declining, possibly due to the synergistic effects of these factors (Hoagstrom et al., 2010).
deanae to be more widely distributed than our data indicate, primarily because our efforts were limited to localities of interest concerning RGSMs and not expanded to delineate crayfish distribution.