MICHAEL CLUTSON / SCIENCE PHOTO LIBRARY MICHAEL CLUTSON / SCIENCE PHOTO LIBRARY
Cerbera odollan fruit. This is the dried seed casing of a tropical tree found in muddy, Asian river deltas. It is an example of a drift fruit, one which is dispersed by the ocean. It contains cerberin, a potent alkaloid toxin which disrupts the heartbeat, often fatally. This example was found on a beach in western Malaysia.
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