"With a flick of his wrist, Joe Richey cast his black midge fly through the air, landing it in the cool waters of Piru Creek. As Richey teased the fly through the water, dozens of rainbow trout darted about, their steely skin occasionally reflecting the sun like mirrors falling through the current...

...But the water that's ample for the fish isn't so good for the endangered arroyo toad. After learning the artificial water flow was keeping the toad population down, officials started looking into returning the creek levels to more natural conditions, surging or shrinking with the seasons."

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