Young salmon to be saved by underwater disco-ball

02/24/2011
By Alison Hawkes

How do you save a young Delta salmon from stronger, hungrier predator fish? The California Department of Water Resources has come up with a novel, disco-ball solution. They’re creating an experimental “bubble barrier” that will shoot out a sheet of bubbles, strobe lights, and sound to deter the young fish from detouring down a channel that’s become a death trap of prowling striped bass. That way, they’ll swim safely to the San Francisco Bay where open waters will present the next challenge in their hopes for old age. [Associated Press via San Mateo Daily Journal]

Tags: , delta, salmon,

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