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Painted frogfish (Antennarius pictus) hunting. All frogfish use a lure (centre right) dangling in front of their head to attract their prey. In some species the lure resembles a small shrimp or fish. When the prey is close enough the frogfish strikes out in the fastest recorded feeding action of any marine species. Photographed in the Lembeh Strait, Sulawesi, Indonesia. (KEYSTONE/SCIENCE PHOTO LIBRARY/MATTHEW OLDFIELD)