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Dancing with Whale-Sharks

By Robin Hansen

 
One of the most famous places for meeting whale-sharks in the Andaman Sea - and maybe in the whole world - is "Richelieu Rock", a small rocky islet in the Surin archipelago (about 300 kilometers from Phuket). You can never be dead sure to meet a whale-shark on any dive trip, of course. But Richelieu Rock is visited regularly by whale-sharks and has one of the biggest scores in the world.
We suggest you check out the Business Gallery here on Travelers' Net. Any of our dive-advertisers can inform you about Richelieu Rock and other whale-shark sighting places around Phuket etc.


Whale-sharks are still mysterious animals to man. They pose an interesting and challenging combination of questions.
They feed on plankton. Yet every shark has about 3000 teeth, 3 to 5 millimeters long, hidden under a fold of the skin.
The author of this article saw a whale-shark devour a shoal of fish, confirming a theory, that whale-sharks also feed on prey. This would explain why the whale-sharks, in contrast to other plankton-eaters, have camouflage-spots on their skin, especially concentrated on their heads. To fishes in a shoal, this pattern may resemble their own, tight shoal and tighten their shoal even more.
Little is also known about the reproduction and sex-life of the whale-sharks. It is still an unanswered question, if the young sharks are being born alive or hatched in open waters.


 
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