Subject: Re: Question

Kim Marshall (
Mon, 7 Sep 1998 11:52:46 -0400

Question:>How long can a whale shark stay submerged?  Thanks.

I have searched the net in order to find you a site where you can learn
more about whale sharks.  The Shark Research Institute in Princeton, NJ
(609) 921-3522.  Try finding them by searching the title on the internet.

A whale shark is always submerged because they do not  breath air from the
surface like marine mammals (whales) because it has gills.  Whale sharks
are filter feeders and they use their gills to extract oxygen from the
seawater and to filter tiny planktonic organisims to feed on.  The gills
have fine gill rakers to strain the plankton from the water.

I hope you make the effort to learn more about these amazing creatures.
Thanks Kim

Kim Marshall-Tilas                                   (781) 259-0423
Whale Conservation Institute                          fax: 259-0288
191 Weston Road                      website:
Lincoln, MA  01773
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