Shark migrations

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Miller, Erin “Study: More sharks in late summer, early fall.” Hawaii Tribune Herald 6 Sep 2013.
Wakida, Blayton. “Research: Female tiger sharks migrate to Hawaii in late summer, fall.” KITV News 5 Sep 2013.


ESA News Release:

Female tiger sharks migrate from Northwestern to Main Hawaiian Islands during fall pupping season

A tiger shark (Galeocerdo cuvier) photographed by Wayne Levin in Hawaiian waters.

A tiger shark (Galeocerdo cuvier) photographed by Wayne Levin off the Big Island of Hawaii.

“When we think of animal migrations, we tend to think of all individuals in a populations getting up and leaving at the same time, but it’s not as simple as that,” said first author Yannis Papastamatiou of the University of Florida. “Some are resident and some are transient.”

 A quarter of the mature female tiger sharks plying the waters around the remote coral atolls of the Northwestern Hawaiian Islands decamp for the populated Main Hawaiian Islands in the late summer and fall, swimming as far as 2,500 kilometers (1,500 miles) according to new research from University of Florida and the University of Hawaii. Their report is scheduled for publication in the November 2013 issue of Ecological Society of America’s journal Ecology. The authors’ manuscript is available as a preprint.