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Rainbow reefs revealed: The secret 112-million-year saga of glowing fish

Scientists have uncovered that fish biofluorescence a captivating ability to glow in vivid colors has ancient roots stretching back over 100 million years. This trait evolved independently in reef fish more than 100 times, likely influenced by post-dinosaur-extinction reef expansion. The glowing spectacle is more diverse than previously imagined, spanning multiple colors across hundreds of species.

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