Tag Archives: sea lampreys

Sea lampreys turning up the heat

Male sea lampreys may not be the best-looking creatures swimming in our lakes and streams, but they apparently have something going for them that the ladies may find irresistible.

Research by a team of Michigan State University scientists found that the males have a secondary sex characteristic that creates heat when they get near a female lamprey, something the females find hard to say no to. (more…)

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Sea Lampreys Fear the Smell of Death

EAST LANSING, Mich. — A repellant for sea lampreys could be the key to better controlling one of the most destructive invasive species in the Great Lakes, says a Michigan State University researcher.

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 Michael Wagner, MSU assistant professor of fisheries and wildlife, sees this reaction as a potential game changer. (more…)

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