BlogArena

General blog about anything and everything of everyday's life.

19. Oct 2019

January 9, 2014
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Ancient sharks reared young in prehistoric river-delta nursery

ANN ARBOR — Like salmon in reverse, long-snouted Bandringa sharks migrated downstream from freshwater swamps to a tropical coastline to spawn 310 million years ago, leaving behind fossil evidence of one of the earliest known shark nurseries. That’s the surprising … Continue reading

October 17, 2012
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Shark Social Networking

Shark migrations studied with underwater robot along Delmarva Peninsula University of Delaware researchers are using an underwater robot to find and follow sand tiger sharks that they previously tagged with transmitters. The innovative project is part of a multi-year partnership … Continue reading