Eagle Creek 2014

We sample Eagle Creek annually to collect long-term fish monitoring data. We have routinely collected 6 native fish species in the upper half of this stream (Sonora sucker, desert sucker, …

June Sucker Stocking Evaluation

June sucker Chasmistes liorus is an endangered species endemic to Utah Lake, Utah. The lake historically supported 13 native fish species, but due to human interactions it now supports a …

Post-stocking survival of bonytail in Lake Havasu

Though functionally extirpated in the wild, bonytail continue to be stocked into the mainstem lower Colorado River. Lake Havasu serves as one of the primary stocking locations and is unique among all stocking sites because bonytail are occasionally recaptured during routine monitoring trips and by sport fish anglers–a feat that is encountered nowhere else.

Razorback sucker studies on Lake Mohave, AZ-NV

Status: Ongoing

During the few years of Lake Mohave’s filling after the closure of Davis Dam in 1951, the razorback sucker experienced a local population boom within the new lake. It is suspected that the big river fishes inundated the historical floodplains and the isolated lakes and ponds provided ample nursery habitat and a refuge from predation.