Latest Sand tiger shark Stories
The current study used shark teeth collected from a new coastal site on Banks Island, which allowed them to gain a more complete understanding of the changes in ocean water salinity across a broader geographic area.
Most sharks today are strictly saltwater fish, however, a new study led by the University of Colorado Boulder and the University of Chicago reveals that this was not the case 50 million years ago.
In some sexually reproducing species, the competition between males to pass on their genetic material ends with conception. However, for sand tiger sharks that competition extends into the female’s uteri where baby sharks cannibalize one another until only one remains.
Researchers from University of Delaware are in the midst of a multiyear study with Delaware State University researchers to better understand the behavior and migration patterns of sand tiger sharks.