The wicked hydrilla is in check, for now.
None of the invasive, boat-choking plants were found on the surface of Lake Austin during a recent survey by the Texas Parks and Wildlife Department, though officials said some hydrilla still exists on the floor of the lake. This was cause for celebration among city officials and the Lower Colorado River Authority, which have spent a combined $210,000 in recent years stocking the lake with sterile Asian grass carp, an exotic fish that loves to munch on the problematic plant.
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