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Nature 400, 717-718 (19 August 1999) | doi:10.1038/23368

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Marine biology:  No hibernation for basking sharks

Daniel Weihs1

The phrase 'gentle giants' and the word sharks do not usually appear in the same sentence — sharks normally evoke the image of a bloody, tooth-filled mouth as in the film Jaws. But the biggest species of selachians (sharks) are, in fact, placid, slowly moving grazers that feed by filtering plankton.

  1. Daniel Weihs is at the Technion Israel Institute of Technology, Haifa 32000, Israel.
    e-mail: Email: dweihs@techunix.technion.ac.il