WVXU: ‘Scary’ movie proves crabs can see different colors

Cincinnati Public Radio’s WVXU spoke to University of Cincinnati biologist John Layne about the clever color vision test he designed for small animals such as fiddler crabs in his lab.

Featured image at top: UC biologist John Layne explains how he uses an LCD screen and a bank of light-emitting diodes to create his optical illusion video of a fast-approaching object for crabs that are placed in a glass arena in front of the screen. Photo/Andrew Higley/UC Creative + Brand

John Layne poses in front of a row of bookcases in his office.

UC biologist John Layne and his students are investigating the color vision of animals in his biology lab. Photo/Andrew Higley/UC Creative + Brand

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