Sharks found to eat sea urchins as large as their heads in accidental discovery by Australian researchers
by Petra Stock from Environment | The Guardian on (#6R7FB)
Researchers tethered 50 long-spined and 50 short-spined urchins outside lobster den and sharks were observed smashing the whole thing'
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An experiment designed to investigate lobster predation on sea urchins unexpectedly found that Port Jackson and crested horn sharks ate the spiky animals instead.
The research, led by University of Newcastle marine ecologist Jeremy Day, involved tethering sea urchins at the entrance to a lobster den - home to at least 20 large eastern rock lobsters - near Wollongong on the south coast of New South Wales.
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