Fish Can't Have Sex With All That Traffic Noise

Blacktail shiners are little minnows with a black spot at the base of their tail fins. They’re also yellers: When it gets loud, the fish will raise their voices. But according to a new study published in Biological Conservation, even these vocal fish can’t hear each other when there’s too much traffic on the bridges over their streams. And it might be affecting their sex lives, Science reports.
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