Bile salts—sea lampreys' newest scent of seduction

Bile salts scream seduction – for sea lampreys, that is. New research at Michigan State University shows that bile salts, secreted from the liver and traditionally associated with digestive functions, are being used as ...

Masses of plastic particles found in Great Lakes

Already ravaged by toxic algae, invasive mussels and industrial pollution, North America's Great Lakes now confront another potential threat that few had even imagined until recently: untold millions of plastic litter bits, ...

Sex-shifting fish: Growth rate could determine sea lamprey sex

Unlike most animals, sea lampreys, an invasive, parasitic species of fish damaging the Great Lakes, could become male or female depending on how quickly they grow, according to a U.S. Geological Survey study published today.

Aphrodisiac pheromone discovered in fish semen

An aphrodisiac pheromone discovered in the semen of sea lampreys attracts ready-to-mate females, according to a study publishing July 9 in the open-access journal PLOS Biology by Anne M. Scott of Michigan State University, ...

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