The archerfish hunts insects resting on leaves above the water by knocking them down with jets of water shot from its mouth.
Why it is true
It presses its tongue against a groove in the roof of its mouth and snaps its gills shut, forming a tube. It hits prey more than a metre away and corrects for the way light bends as it passes from water into air.
Source: Current Biology (Schuster et al., 2006)
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