© Klaus Rudloff

A modified version of an eye test used to assess visual acuity in the military has been given to archerfish by scientists to help explain how these remarkable fish are able to accurately spit down tiny insects high above the water’s surface. Continue reading »

Fish modulate water jet dynamics to increase impact on prey

© Klaus Rudloff

Archer fish knock their insect prey out of overhanging vegetation with a jet of water several times more powerful than the fish’s muscles. New research now shows that the fish generate this power externally using water dynamics rather than with any specialized internal organs. Continue reading »