http://video.google.com/videoplay?docid=8964414149458454494&q=sharks+videos&ei=nSYMSKOXMYSE4gLbypW1BA&hl=en

http://www.youtube.com/watch?v=2nrA7-bGu7o&feature=related

http://www.youtube.com/watch?v=xWEdStaaZyE

http://www.youtube.com/watch?v=afpThH8NUxs

http://www.youtube.com/watch?v=mneDhOtVEQw&feature=related

http://www.youtube.com/watch?v=qHnS8_0da6A

http://www.youtube.com/watch?v=gOn9qeTXJ1k&feature=related

http://www.youtube.com/watch?v=fGf_LGX0594&feature=related