They also thrive in reservoirs .
They also have been spread to a number of California reservoirs via the California Aqueduct , and into Nevada via the Lahontan Reservoir ( 1964 ) where they have further colonized the Humboldt River drainage .
They also thrive in reservoirs , and have been spread to a number of California reservoirs via the California Aqueduct , and into Nevada via the Lahontan Reservoir ( 1964 ) where they have further colonized the Humboldt River drainage .