If you asked Katie Creighton in May how native fish would fare this year, “cautiously optimistic” might have been her answer. Spiking flows across the Colorado River basin, the result of last winter’s strong snowpack, were setting the stage for the river’s small cadre of endangered and threatened fish. Six months later, the optimism has become less cautious. … Indeed, counts from this year suggest that at least two endangered fish species — the razorback sucker and Colorado pikeminnow — saw a bumper season around Moab. It’s at least partly due to the spring inundation that flooded the Scott and Norma Matheson Wetlands Preserve.