Sea lampreys fear the smell of death

A repellant for sea lampreys could be the key to better controlling one of the most destructive invasive species in the Great Lakes, according to new research. Scientists have seen the effect alarm cues have on lampreys. When scents from dead sea lampreys are poured into a tank of live ones, the lampreys' efforts to escape are dramatic. In the past, these reactions were simply dismissed as novel. But researchers now see this reaction as a potential game changer.

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