Source: New Scientist
For the first time ever, researchers have tagged and tracked female great white sharks for their full two-year migration.
Because of the limited battery life of previous tags, females have only been tracked for a year into their migration cycle. Using new technology, scientists from the Marine Conservation Science Institute were able to successfully tag four female adult great whites and follow them for a full two years.
The females began and ended their journey off of Guadalupe Island not too far from Mexico’s Baja California peninsula. During their epic migration, the sharks travelled thousands of miles and spent as much as 16 months in the open ocean.
Scientists believe that Guadalupe Island is the site where female great whites give birth to their young and is also the location where males and females come to mate. Previously, researchers believed that great whites mated in the open ocean, but this new data reveals that females are rarely in the same place as males out at sea.
Read more here.
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