Colour­ful jel­ly­fish uses light to cheat prey.

Science Illustrated - - PHOTODOC -

The flower hat jelly’s lu­mi­nous ten­ta­cles in­clude GFP, a highly flu­o­res­cent pro­tein. The in­tense, green light at­tracts the small fish, on which the crea­ture feeds. The prey prob­a­bly mis­takes the light for chloro­phyll, which colours plants and al­gae.

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