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Evidence Of Ancient Shark Migration In Reverse

January 9, 2014

A team of researchers has been busy at work detailing an ancient shark that behaved like a salmon but in reverse. The new study found that the long-snouted Bandringa, from 310 million years ago, shows the earliest evidence of shark migration. But unlike salmon, it went from freshwater to saltwater to spawn. Thought to be one of the earliest relatives of the modern shark, Bandringa spent most of its time in freshwater, definitely not like its modern counterpart. The team studying the long-extinct Bandringa first thought there were two types—one saltwater and one freshwater—until they realized they had been thrown off by a single species with different preservation processes in both ecosystems.

[ Read the Article: Study Shows Ancient Shark Spawned Like Salmon In Reverse ]



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