Some invertebrate eaters think the light beams are prey and chase the light. Using these beams scientists may later be able to determine the feeding territory of certain fish, like hawkfish, that only feed in limited ranges around their coral homes. Potentially even more useful, if these lasers cause a flight response in large fish like sharks, one day there may be a laser 'shark billy' created to make divers feel more secure underwater. With all Walsh and his team have to do on this expedition, these other scientific inquiries will have to wait. All rights reserved.
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