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Last updated on April 20, 2014 at 14:04 EDT

Latest Yannis Papastamatiou Stories

Tiger Shark Attacks In Hawaii More Prominent During Migration
2013-09-06 09:22:06

[ Watch the Video: Migrating Sharks May Be To Blame For Increased Attacks ] Brett Smith for redOrbit.com - Your Universe Online The recent rash of shark attacks in the Hawaiian Islands may be explained by the migratory patterns described in a report recently published by the journal Ecology. Based on a seven-year study of tiger shark movement, marine biologists from the University of Hawaii and University of Florida discovered that about 25 percent of the mature female tiger sharks...

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2011-03-10 14:06:41

By Danielle Torrent, University of Florida A new study led by a University of Florida researcher uses tracking data of three shark species to provide the first evidence some of the fish swim directly to targeted locations. Researchers found tiger and thresher sharks showed the ability to orient at large distances, with tiger sharks swimming in direct paths at least 4 miles away and reaching specific resource areas about 30 miles away, said lead author Yannis Papastamatiou, a marine biologist...

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2011-03-02 11:15:59

Researchers, writing in the Journal of Animal Ecology suggest that some shark species have "mental maps" of their ranges and can pinpoint locations in the ocean up to 30 miles away. Tagged with acoustic transmitters, scientists analyzed data from tiger sharks, and found that they took directed paths from place to place, AFP is reporting. Using nine Blacktip reef sharks and 15 Threshers which had been tagged with trackers and released off Hawaii, Palmyra atoll in the Pacific or southern...