On reefs.com they had an article about sharks tweeting their location. This the organization that does the tagging.
http://www.whitesharkvideo.com/ocearch-the-enemy.html
Shark tweeting article.
http://www.reefs.com/blog/2014/01/07/sharks-twitter/
http://www.whitesharkvideo.com/ocearch-the-enemy.html
Shark tweeting article.
http://www.reefs.com/blog/2014/01/07/sharks-twitter/