On the U-M Gateway: Living fossils? Actually, sturgeon are evolutionary speedsters
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Photo credit: Michigan Sea Grant.
Efforts to restore sturgeon in the Great Lakes region have received a lot of attention in recent years, and many of the news stories note that the prehistoric-looking fish are "living fossils" virtually unchanged for millions of years.
But a new study by Professor Dan Rabosky and his colleagues reveals that in at least one measure of evolutionary change – changes in body size over time – sturgeon have been one of the fastest-evolving fish on the planet.