UV Lights Up Marine Fish

Some fish have eyes that capture and perceive ultraviolet wavelengths, and many fish must cope with UV's effects

Biology Evolution Ecology

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November-December 2008

Volume 96, Number 6
Page 482

DOI: 10.1511/2008.75.482

The human eye perceives the underwater world as a deep-blue. Water absorbs most of the longer wavelengths of light that we can see, such as the reds and yellows, leaving the remaining ambient light enriched in the shorter-wavelength blues and violets. What humans cannot see, however, is that water also transmits even shorter wavelengths—those of the ultraviolet (UV).

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