Noise Pollution Affects Coral Reef Fish

While fish don’t have ears that we can see, they do have ear parts inside their heads that can pick up sounds in the water. Not only do fish and invertebrates make their own sounds, but wind, waves and currents also create other background noise. And reefs especially are naturally noisy places. Add this noise to the engines and horns of shipping vessels and military sonars, and we have a full-blown orchestra of marine sounds. Consequently, fish react to the noises they hear and according to new research, boat noise can disrupt orientation behavior in larval coral reef fish.

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