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DEET of the sea

Some fish use mucus shield to deter biting bugs

By
9:53am, November 17, 2010

If you were to find yourself in the jungle without a mosquito net, slathering yourself in snot might be a good alternative. It works for fish: Scientists have discovered that some coral reef fish protect themselves from biting isopods, a marine equivalent of mosquitoes, by covering themselves in mucus before going to sleep at night.

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