by Helen Korneffel, Great Lakes Echo

Emőke Dénes [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)]

Researchers found that fish can hear human-created, noises and that their ears are harmed by them.

They worry that fish with hearing loss may have trouble reproducing, navigating and communicating with other fish.

The University of Windsor experimented on the black bullhead, a species with advanced hearing and located within the Great Lakes, where there is considerable commercial and recreational boat traffic.

Similar studies have been done with goldfish and zebrafish, but researchers Dennis Higgs and Megan Mickle wanted to see the effects boat noises have on Great Lakes fish.

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